{"id":16707,"date":"2026-09-21T03:58:30","date_gmt":"2026-09-21T03:58:30","guid":{"rendered":"https:\/\/sistc.com\/?p=16707"},"modified":"2026-09-21T03:58:35","modified_gmt":"2026-09-21T03:58:35","slug":"cnn-for-audio-denoising","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/cnn-for-audio-denoising\/","title":{"rendered":"\u57fa\u4e8eCNN\u7684\u97f3\u9891\u53bb\u566a\uff1a\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\u5982\u4f55\u63d0\u5347\u8bed\u97f3\u8d28\u91cf"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u8bf8\u5982\u9891\u8c31\u51cf\u6cd5\u3001\u7ef4\u7eb3\u6ee4\u6ce2\u3001\u81ea\u9002\u5e94\u6ee4\u6ce2\u548cNMF\u7b49\u4f20\u7edf\u7684\u97f3\u9891\u964d\u566a\u7b97\u6cd5\uff0c\u90fd\u662f\u57fa\u4e8e\u4fe1\u53f7\u548c\u566a\u58f0\u7684\u6570\u5b66\u6a21\u578b\u7684\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6df1\u5ea6\u5b66\u4e60\u5f00\u8f9f\u4e86\u4e00\u79cd\u5168\u65b0\u7684\u65b9\u6cd5\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0e\u624b\u52a8\u5b9a\u4e49\u6bcf\u9879\u566a\u58f0\u7279\u5f81\u4e0d\u540c\uff0c\u795e\u7ecf\u7f51\u7edc\u53ef\u4ee5\u76f4\u63a5\u4ece\u97f3\u9891\u6570\u636e\u4e2d\u5b66\u4e60\u6a21\u5f0f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6df1\u5ea6\u5b66\u4e60\u67b6\u6784\u4e2d\uff0c, <strong>\u5377\u79ef\u795e\u7ecf\u7f51\u7edc (CNN)<\/strong> are particularly useful for audio denoising because they can identify local patterns in time-frequency representations. The application of <strong>\u7528\u4e8e\u97f3\u9891\u53bb\u566a\u7684CNN<\/strong> shows significant improvements in noise reduction.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u8bed\u97f3\u88ab\u8f6c\u6362\u4e3a\u9891\u8c31\u56fe\u65f6\uff0c\u5176\u4e2d\u5305\u542b\u7684\u7ed3\u6784\u4e0e\u56fe\u50cf\u4e2d\u7684\u56fe\u6848\u76f8\u4f3c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8c10\u6ce2\u7ed3\u6784<\/li>\n\n\n\n<li>\u5171\u632f\u5cf0<\/li>\n\n\n\n<li>\u77ac\u6001\u4e8b\u4ef6<\/li>\n\n\n\n<li>\u8bed\u97f3\u8d77\u59cb\u70b9<\/li>\n\n\n\n<li>\u9891\u6bb5<\/li>\n\n\n\n<li>\u65f6\u95f4\u8fde\u7eed\u6027<\/li>\n\n\n\n<li>\u566a\u58f0\u6a21\u5f0f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u80fd\u591f\u5b66\u4e60\u8fd9\u4e9b\u5c40\u90e8\u7ed3\u6784\uff0c\u5e76\u5224\u65ad\u9891\u8c31\u56fe\u7684\u54ea\u4e9b\u90e8\u5206\u5bf9\u5e94\u4e8e\u8bed\u97f3\uff0c\u54ea\u4e9b\u90e8\u5206\u66f4\u53ef\u80fd\u662f\u566a\u58f0\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7814\u7a76\u8868\u660e\uff0c\u57fa\u4e8e\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u7684\u58f0\u8c31\u56fe\u53bb\u566a\u65b9\u6cd5\u4ee5\u53ca\u76f4\u63a5\u5bf9\u65f6\u57df\u97f3\u9891\u8fdb\u884c\u5904\u7406\u7684CNN\u65b9\u6cd5\u5747\u884c\u4e4b\u6709\u6548\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4f7f\u5f97\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u6210\u4e3a\u73b0\u4ee3 <strong>AI\u97f3\u9891\u589e\u5f3a<\/strong> \u7cfb\u7edf\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">1. \u4ec0\u4e48\u662f CNN \u97f3\u9891\u53bb\u566a\uff1f<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">CNN\u97f3\u9891\u53bb\u566a\u6280\u672f\u5229\u7528\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\u6765\u4f30\u8ba1\u97f3\u9891\u4fe1\u53f7\u7684\u66f4\u6e05\u6670\u7248\u672c\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u79cd\u5e38\u89c1\u7684\u67b6\u6784\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u542b\u566a\u58f0\u97f3\u9891\n \u2193\nSTFT\n \u2193\n\u9891\u8c31\u56fe\n \u2193\n\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\n \u2193\n\u8bed\u97f3\/\u566a\u58f0\u4f30\u8ba1\n \u2193\n\u589e\u5f3a\u578b\u9891\u8c31\u56fe\n \u2193\n\u9006STFT\n \u2193\n\u589e\u5f3a\u578b\u97f3\u9891<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528 <strong>\u7528\u4e8e\u97f3\u9891\u53bb\u566a\u7684CNN<\/strong> has revolutionized the way we approach noise reduction in audio signals.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CNN\u53ef\u80fd\u4f1a\u9884\u6d4b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bed\u97f3\u63a9\u7801<\/li>\n\n\n\n<li>\u566a\u58f0\u63a9\u853d<\/li>\n\n\n\n<li>\u51c0\u661f\u7b49<\/li>\n\n\n\n<li>\u5e72\u51c0\u7684\u529f\u7387\u8c31<\/li>\n\n\n\n<li>\u590d\u6742\u8c31<\/li>\n\n\n\n<li>\u6216\u8005\uff0c\u5728\u67d0\u4e9b\u67b6\u6784\u4e2d\uff0c\u589e\u5f3a\u540e\u7684\u6ce2\u5f62\u4f1a\u76f4\u63a5<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5e38\u89c1\u7684\u57fa\u4e8e\u9891\u8c31\u56fe\u7684\u65b9\u6cd5\u5c06\u97f3\u9891\u4fe1\u53f7\u89c6\u4e3a\u4e00\u79cd\u4e8c\u7ef4\u65f6\u9891\u8868\u793a\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">2. \u4e3a\u4ec0\u4e48\u5728\u97f3\u9891\u5904\u7406\u4e2d\u4f7f\u7528\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\uff1f<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f20\u7edf\u7684\u5168\u8fde\u63a5\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\u5c06\u5176\u8f93\u5165\u89c6\u4e3a\u4e00\u7ec4\u7279\u5f81\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u5229\u7528\u4e86\u5c40\u90e8\u7ed3\u6784\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5bf9\u9891\u8c31\u56fe\u5c24\u5176\u6709\u7528\uff0c\u56e0\u4e3a\u76f8\u90bb\u7684\u50cf\u7d20\u4ee3\u8868\u76f8\u90bb\u7684\u65f6\u95f4-\u9891\u7387\u533a\u57df\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u9891\u7387\n   \u2191\n   \u2502 \u2588\u2588\u2588\u2588\n   \u2502    \u2588\u2588\u2588\u2588\u2588\u2588\u2588\n   \u2502  \u2588\u2588\u2588\u2588\u2588\n   \u2502 \u2588\u2588\u2588\n   \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2192 \u65f6\u95f4<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bed\u97f3\u5728\u65f6\u95f4\u548c\u9891\u7387\u4e0a\u5448\u73b0\u51fa\u7279\u6709\u7684\u6a21\u5f0f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u566a\u58f0\u4f1a\u4ea7\u751f\u4e0d\u540c\u7684\u56fe\u6848\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eba\u5de5\u795e\u7ecf\u7f51\u7edc\u4f1a\u5b66\u4e60\u80fd\u591f\u54cd\u5e94\u8fd9\u4e9b\u7ed3\u6784\u7684\u6ee4\u6ce2\u5668\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u8be5\u7f51\u7edc\u53ef\u4ee5\u5b66\u4e60\u8bf8\u5982\u4ee5\u4e0b\u5173\u7cfb\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5c40\u90e8\u9891\u8c31\u6a21\u5f0f\n \u2193\n\u53ef\u80fd\u7684\u8bed\u97f3\u7ed3\u6784<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6216\u8005\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5bbd\u5e26\u77ac\u6001\n \u2193\n\u53ef\u80fd\u7684\u566a\u58f0\u4e8b\u4ef6<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7f51\u7edc\u5e76\u672a\u660e\u786e\u4f7f\u7528\u8fd9\u4e9b\u7b80\u5355\u89c4\u5219\u3002\u5b83\u4eec\u662f\u7531\u5df2\u5b66\u4e60\u7684\u5377\u79ef\u6ee4\u6ce2\u5668\u81ea\u7136\u4ea7\u751f\u7684\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">3. \u97f3\u9891\u589e\u5f3a\u4e2d\u7684CNN\u4e0eDNN\u5bf9\u6bd4<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u80fd\u591f\u5b66\u4e60\u975e\u7ebf\u6027\u5173\u7cfb\uff0c\u4f46\u5b83\u65e0\u6cd5\u81ea\u7136\u5730\u5229\u7528\u9891\u8c31\u56fe\u7684\u7a7a\u95f4\u7ed3\u6784\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CNN \u5c31\u662f\u8fd9\u6837\u505a\u7684\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u7279\u70b9<\/th><th>DNN<\/th><th>CNN<\/th><\/tr><tr><td>\u5168\u8fde\u63a5\u5c42<\/td><td>\u662f<\/td><td>\u901a\u5e38\u4e0d\u662f\u4e3b\u8981\u64cd\u4f5c<\/td><\/tr><tr><td>\u5c40\u90e8\u7279\u5f81\u63d0\u53d6<\/td><td>\u6709\u9650<\/td><td>\u5f3a\u5927<\/td><\/tr><tr><td>\u8c31\u56fe\u7ed3\u6784<\/td><td>\u4e0d\u90a3\u4e48\u76f4\u767d<\/td><td>\u81ea\u7136\u5f00\u91c7<\/td><\/tr><tr><td>\u53c2\u6570\u5171\u4eab<\/td><td>\u6709\u9650<\/td><td>\u662f<\/td><\/tr><tr><td>\u7ffb\u8bd1\/\u672c\u5730\u6a21\u5f0f\u8bc6\u522b<\/td><td>\u6709\u9650<\/td><td>\u5f3a\u5927<\/td><\/tr><tr><td>\u5178\u578b\u7684\u97f3\u9891\u8f93\u5165<\/td><td>\u7279\u5f81\u5411\u91cf<\/td><td>\u9891\u8c31\u56fe \/ \u6ce2\u5f62<\/td><\/tr><tr><td>\u8ba1\u7b97\u6548\u7387<\/td><td>\u53d6\u51b3\u4e8e\u67b6\u6784<\/td><td>\u5bf9\u4e8e\u7ed3\u6784\u5316\u8f93\u5165\uff0c\u901a\u5e38\u5f88\u6709\u6548<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u57fa\u4e8e\u58f0\u8c31\u56fe\u7684\u97f3\u9891\u589e\u5f3a\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CNN \u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u65f6\u9891\u4f4d\u7f6e\u4e0a\u590d\u7528\u540c\u4e00\u4e2a\u5df2\u5b66\u4e60\u7684\u6ee4\u6ce2\u5668\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0e\u7a7a\u95f4\u8986\u76d6\u8303\u56f4\u76f8\u5f53\u7684\u5168\u8fde\u63a5\u67b6\u6784\u76f8\u6bd4\uff0c\u8fd9\u51cf\u5c11\u4e86\u53c2\u6570\u7684\u6570\u91cf\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">4. \u97f3\u9891\u53bb\u566a\u59cb\u4e8e\u65f6\u9891\u8868\u793a<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u79cd\u5e38\u89c1\u7684\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u97f3\u9891\u53bb\u566a\u7cfb\u7edf\u4ee5\u77ed\u65f6\u5085\u91cc\u53f6\u53d8\u6362\u4e3a\u8d77\u70b9\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e26\u566a\u58f0\u7684\u4fe1\u53f7\u53ef\u8868\u793a\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>y(t) = s(t) + n(t)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>y(t)<\/code> = \u97f3\u9891\u6709\u6742\u97f3<\/li>\n\n\n\n<li><code>s(t)<\/code> = \u6587\u660e\u7528\u8bed<\/li>\n\n\n\n<li><code>n(t)<\/code> = \u566a\u58f0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u77ed\u65f6\u5085\u91cc\u53f6\u53d8\u6362\uff08STFT\uff09\u4e4b\u540e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Y(k,t) = S(k,t) + N(k,t)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7ed3\u679c\u53ef\u4ee5\u8868\u793a\u4e3a\u9891\u8c31\u56fe\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u9891\u7387\n   \u2191\n   \u2502\n   \u2502  \u8bed\u97f3\n   \u2502 \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\n   \u2502  \u2588\u2588\u2588\u2588\u2588\u2588\u2588\n   \u2502    \u566a\u58f0\n   \u2502 \u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\n   \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2192 \u65f6\u95f4<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">CNN \u63a5\u6536\u8be5\u8868\u793a\uff0c\u5e76\u5b66\u4f1a\u4f30\u8ba1\u5e72\u51c0\u7684\u8bed\u97f3\u4fe1\u606f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e0e\u4e0a\u4e00\u7bc7\u6587\u7ae0\u81ea\u7136\u5730\u8854\u63a5\u8d77\u6765\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u97f3\u9891\u4fe1\u53f7\u5904\u7406\u4e2d\u7684FFT\u4e0eSTFT\uff1a\u5b9e\u7528\u5de5\u7a0b\u6307\u5357<\/strong><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">5. \u795e\u7ecf\u7f51\u7edc\u80fd\u4ece\u8c31\u56fe\u4e2d\u5b66\u4e60\u5230\u4ec0\u4e48\uff1f<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u521d\u7684\u5377\u79ef\u5c42\u901a\u5e38\u4f1a\u5b66\u4e60\u76f8\u5bf9\u5c40\u90e8\u7684\u6a21\u5f0f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5149\u8c31\u8fb9\u7f18<\/li>\n\n\n\n<li>\u80fd\u6e90\u53d8\u5316<\/li>\n\n\n\n<li>\u8c10\u6ce2\u7ed3\u6784<\/li>\n\n\n\n<li>\u5c40\u90e8\u65f6\u95f4\u6a21\u5f0f<\/li>\n\n\n\n<li>\u77ac\u6001\u7279\u5f81<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u6df1\u5c42\u7684\u7f51\u7edc\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u7b80\u5355\u7684\u6a21\u5f0f\u7ec4\u5408\u6210\u66f4\u590d\u6742\u7684\u8868\u5f81\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u6982\u5ff5\u4e0a\u8bb2\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u539f\u59cb\u9891\u8c31\u56fe\n \u2193\n\u4f4e\u7ea7\u7279\u5f81\n \u2193\n\u9891\u8c31\/\u65f6\u57df\u6a21\u5f0f\n \u2193\n\u8bed\u97f3\u8868\u793a\n \u2193\n\u589e\u5f3a\u8bed\u97f3<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u5206\u5c42\u7279\u5f81\u63d0\u53d6\u662f\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u5728\u97f3\u9891\u589e\u5f3a\u4e2d\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u7684\u4e3b\u8981\u539f\u56e0\u4e4b\u4e00\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">6. \u5377\u79ef\u7684\u5de5\u4f5c\u539f\u7406<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5377\u79ef\u662f\u5c06\u4e00\u4e2a\u5c0f\u6ee4\u6ce2\u5668\u5e94\u7528\u5230\u8f93\u5165\u7684\u4e0d\u540c\u533a\u57df\u4e0a\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u7b80\u5316\u7684\u4e8c\u7ef4\u5377\u79ef\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8f93\u51fa(i,j)\n=\n\u03a3 \u03a3 X(i+m,j+n)K(m,n)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>X<\/code> = \u8f93\u5165\u9891\u8c31\u56fe<\/li>\n\n\n\n<li><code>K<\/code> = \u5377\u79ef\u6838<\/li>\n\n\n\n<li><code>i,j<\/code> = \u8f93\u51fa\u4f4d\u7f6e<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u5c0f\u578b\u5185\u6838\u53ef\u4ee5\u68c0\u67e5\u4e00\u4e2a\u5c40\u90e8\u533a\u57df\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502 x x x   \u2502\n\u2502 x x x   \u2502\n\u2502 x x x   \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u540e\uff0c\u5c06\u76f8\u540c\u7684\u6ee4\u6ce2\u5668\u5e94\u7528\u4e8e\u6574\u4e2a\u8c31\u56fe\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u88ab\u79f0\u4e3a <strong>\u8d1f\u8f7d\u5206\u62c5<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u8be5\u7f51\u7edc\u80fd\u591f\u68c0\u6d4b\u5230\u4e0d\u540c\u4f4d\u7f6e\u7684\u76f8\u4f3c\u58f0\u5b66\u6a21\u5f0f\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">7. \u4e3a\u4ec0\u4e48\u5c40\u90e8\u65f6\u9891\u6a21\u5f0f\u5f88\u91cd\u8981<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bed\u97f3\u4e2d\u5305\u542b\u8de8\u8d8a\u76f8\u90bb\u9891\u7387bin\u548c\u65f6\u95f4\u5e27\u7684\u7ed3\u6784\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff0c\u8c10\u6ce2\u5206\u91cf\u53ef\u80fd\u8868\u73b0\u4e3a\u4e00\u7cfb\u5217\u76f8\u5173\u7684\u9891\u5e26\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f85\u97f3\u53ef\u80fd\u4f1a\u4ea7\u751f\u4e00\u4e2a\u77ed\u6682\u7684\u77ac\u6001\u6a21\u5f0f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5143\u97f3\u53ef\u80fd\u4f1a\u4ea7\u751f\u76f8\u5bf9\u7a33\u5b9a\u7684\u8c10\u6ce2\u80fd\u91cf\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u566a\u58f0\u4e5f\u53ef\u80fd\u5177\u6709\u7279\u5f81\u6a21\u5f0f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CNN \u6ee4\u6ce2\u5668\u53ef\u4ee5\u5b66\u4e60\u8fd9\u4e9b\u7ed3\u6784\uff0c\u800c\u65e0\u9700\u5de5\u7a0b\u5e08\u624b\u52a8\u6307\u5b9a\u5b83\u4eec\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5728\u590d\u6742\u7684\u58f0\u5b66\u73af\u5883\u4e2d\u5c24\u4e3a\u6709\u7528\uff0c\u56e0\u4e3a\u5728\u8fd9\u4e9b\u73af\u5883\u4e2d\uff0c\u4eba\u5de5\u8bbe\u8ba1\u7684\u6ee4\u6ce2\u5668\u53ef\u80fd\u96be\u4ee5\u5c06\u8bed\u97f3\u4e0e\u566a\u58f0\u533a\u5206\u5f00\u6765\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">8. \u7528\u4e8e\u8c31\u56fe\u53bb\u566a\u7684CNN\u67b6\u6784<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u7b80\u5355\u7684\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u53ef\u80fd\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u566a\u58f0\u8c31\u56fe\n \u2193\nConv2D\n \u2193\n\u6fc0\u6d3b\u5c42\n \u2193\nConv2D\n \u2193\n\u6fc0\u6d3b\u5c42\n \u2193\nConv2D\n \u2193\n\u8f93\u51fa\u5c42\n \u2193\n\u8bed\u97f3\u63a9\u7801<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u5148\u8fdb\u7684\u7cfb\u7edf\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u591a\u4e2a\u5377\u79ef\u5757<\/li>\n\n\n\n<li>\u6279\u91cf\u5f52\u4e00\u5316<\/li>\n\n\n\n<li>\u6b8b\u7559\u8fde\u63a5<\/li>\n\n\n\n<li>\u6269\u5c55\u5377\u79ef<\/li>\n\n\n\n<li>\u8df3\u8fc7\u8fde\u63a5<\/li>\n\n\n\n<li>\u6ce8\u610f\u673a\u5236<\/li>\n\n\n\n<li>\u7f16\u7801\u5668-\u89e3\u7801\u5668\u7ed3\u6784<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u7684\u7f16\u7801\u5668-\u89e3\u7801\u5668\u67b6\u6784\u53ef\u80fd\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8f93\u5165\u9891\u8c31\u56fe\n \u2193\n\u7f16\u7801\u5668\n \u2193\n\u538b\u7f29\u8868\u793a\n \u2193\n\u89e3\u7801\u5668\n \u2193\n\u589e\u5f3a\u9891\u8c31\u56fe<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e00\u6982\u5ff5\u81ea\u7136\u5f15\u51fa\u4e86 <strong>U-Net<\/strong>, \uff0c\u76f8\u5173\u5185\u5bb9\u5c06\u5728\u201cAI\u97f3\u9891\u589e\u5f3a\u201d\u4e13\u9898\u4e2d\u53e6\u884c\u4ecb\u7ecd\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">9. \u57fa\u4e8e\u9891\u8c31\u63a9\u6a21\u7684CNN\u8bed\u97f3\u589e\u5f3a<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5b9e\u7528\u7684\u65b9\u6cd5\u4e4b\u4e00\u662f\u8bad\u7ec3\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u6765\u9884\u6d4b\u65f6\u9891\u63a9\u6a21\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bbe\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Y(k,t)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5373\u8be5\u566a\u58f0\u7684\u9891\u8c31\u56fe\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CNN\u9884\u6d4b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>M(k,t)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>0 \u2264 M(k,t) \u2264 1<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\uff0c\u589e\u5f3a\u7684\u5e45\u5ea6\u53ef\u6309\u4ee5\u4e0b\u65b9\u5f0f\u4f30\u7b97\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>|\u015c(k,t)| = M(k,t)|Y(k,t)|<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u6982\u5ff5\u4e0a\u8bb2\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5e26\u566a\u58f0\u7684\u9891\u8c31\u56fe\n \u2193\n CNN\n \u2193\n   \u8f6f\u63a9\u819c\n \u2193\n\u00d7 \u5e26\u566a\u58f0\u7684\u5e45\u5ea6\n \u2193\n\u589e\u5f3a\u7684\u5e45\u5ea6<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f6f\u63a9\u7801\u4f7f\u7f51\u7edc\u80fd\u591f\u9010\u6b65\u6291\u5236\u4e0d\u9700\u8981\u7684\u80fd\u91cf\uff0c\u800c\u4e0d\u662f\u7b80\u5355\u5730\u505a\u51fa\u8bed\u97f3\/\u566a\u58f0\u7684\u5224\u65ad\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">10. \u4e8c\u8fdb\u5236\u8499\u7248\u4e0e\u67d4\u6027\u8499\u7248<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e8c\u8fdb\u5236\u63a9\u7801\u53ef\u80fd\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>M(k,t) = 1 \u2192 \u4fdd\u7559\nM(k,t) = 0 \u2192 \u6291\u5236<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u67d4\u6027\u63a9\u7801\u53ef\u4ee5\u5305\u542b\u4e2d\u95f4\u503c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>M(k,t) = 0.1\nM(k,t) = 0.4\nM(k,t) = 0.8\nM(k,t) = 1.0<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f6f\u9762\u7f69\u901a\u5e38\u80fd\u63d0\u4f9b\u66f4\u5e73\u7f13\u7684\u8870\u51cf\u6548\u679c\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6709\u52a9\u4e8e\u51cf\u5c11\u56e0\u7a81\u5140\u7684\u65f6\u95f4-\u9891\u7387\u51b3\u7b56\u800c\u4ea7\u751f\u7684\u4e25\u91cd\u4f2a\u5f71\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u800c\uff0c\u4ec5\u9760\u8fd9\u6b3e\u8033\u673a\u5e76\u4e0d\u80fd\u4fdd\u8bc1\u97f3\u8d28\u81ea\u7136\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7f51\u7edc\u8fd8\u5fc5\u987b\u5b66\u4f1a\u4fdd\u7559\u91cd\u8981\u7684\u8bed\u97f3\u7ec6\u8282\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">11. \u57fa\u4e8eCNN\u7684\u6e05\u6d01\u9891\u8c31\u4f30\u8ba1<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u65e0\u9700\u9884\u6d4b\u63a9\u819c\uff0c\u800c\u662f\u53ef\u4ee5\u76f4\u63a5\u4f30\u8ba1\u5e72\u51c0\u7684\u5e45\u5ea6\u8c31\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u67b6\u6784\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u566a\u58f0\u9891\u8c31\u56fe\n \u2193\n\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\n \u2193\n\u4f30\u8ba1\u7684\u5e72\u51c0\u9891\u8c31\n \u2193\n\u76f8\u4f4d\u5408\u6210\n \u2193\n\u9006\u77ed\u65f6\u5085\u91cc\u53f6\u53d8\u6362\uff08STFT\uff09\n \u2193\n\u589e\u5f3a\u540e\u7684\u97f3\u9891<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7f51\u7edc\u5b66\u4e60\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5e26\u566a\u58f0\u7684\u9891\u8c31\n \u2192\n\u5e72\u51c0\u7684\u9891\u8c31<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u53ef\u4ee5\u5bf9\u589e\u5f3a\u76ee\u6807\u8fdb\u884c\u66f4\u76f4\u63a5\u7684\u63a7\u5236\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u800c\uff0c\u76f8\u4f4d\u95ee\u9898\u4ecd\u7136\u662f\u4e00\u4e2a\u91cd\u8981\u95ee\u9898\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">12. \u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u97f3\u9891\u53bb\u566a\u4e2d\u7684\u76f8\u4f4d\u95ee\u9898<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u77ed\u65f6\u5085\u91cc\u53f6\u53d8\u6362\uff08STFT\uff09\u540c\u65f6\u5305\u542b\u5e45\u503c\u548c\u76f8\u4f4d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>X(k,t) = |X(k,t)|e^(j\u03c6(k,t))<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bb8\u591a\u65e9\u671f\u7684\u8bed\u97f3\u589e\u5f3a\u65b9\u6cd5\u5728\u4f30\u8ba1\u5e45\u5ea6\u65f6\uff0c\u4f1a\u590d\u7528\u5e26\u6709\u566a\u58f0\u7684\u76f8\u4f4d\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u867d\u7136\u76f8\u5bf9\u7b80\u5355\uff0c\u4f46\u4f1a\u9650\u5236\u91cd\u5efa\u8d28\u91cf\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u5148\u8fdb\u7684\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u7cfb\u7edf\u53ef\u4ee5\u4f30\u8ba1\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51c0\u661f\u7b49<\/li>\n\n\n\n<li>\u76f8<\/li>\n\n\n\n<li>\u590d\u6742\u8c31<\/li>\n\n\n\n<li>\u5b9e\u90e8\u548c\u865a\u90e8<\/li>\n\n\n\n<li>\u590d\u6742\u9762\u5177<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7814\u7a76\u8868\u660e\uff0c\u67d0\u4e9b\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u6a21\u578b\u80fd\u591f\u4f30\u8ba1\u9891\u8c31\u56fe\u4e2d\u7eaf\u51c0\u7684\u5b9e\u90e8\u548c\u865a\u90e8\uff0c\u800c\u4e0d\u4ec5\u4ec5\u4f9d\u8d56\u4e8e\u5e45\u5ea6\u4f30\u8ba1\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u5b9e\u73b0\u9ad8\u8d28\u91cf\u8bed\u97f3\u589e\u5f3a\u7684\u4e00\u4e2a\u91cd\u8981\u65b9\u5411\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">13. \u590d\u8c31\u56fe\u5377\u79ef\u795e\u7ecf\u7f51\u7edc<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u8981\u53ea\u4f7f\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>|Y(k,t)|<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7f51\u7edc\u53ef\u4ee5\u63a5\u6536\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Re{Y(k,t)}\nIm{Y(k,t)}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e76\u9884\u6d4b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Re{S(k,t)}\nIm{S(k,t)}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u6982\u5ff5\u4e0a\u8bb2\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u566a\u58f0\u590d\u8c31\u56fe\n \u2193\n \u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\n \u2193\n \u5e72\u51c0\u7684\u590d\u8c31\u56fe\n \u2193\n \u9006\u77ed\u65f6\u5085\u91cc\u53f6\u53d8\u6362\uff08STFT\uff09\n \u2193\n    \u589e\u5f3a\u7684\u8bed\u97f3<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4f7f\u5f97\u7f51\u7edc\u80fd\u591f\u540c\u65f6\u5b66\u4e60\u4e0e\u5e45\u5ea6\u76f8\u5173\u7684\u4fe1\u606f\u548c\u4e0e\u76f8\u4f4d\u76f8\u5173\u7684\u4fe1\u606f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u5173\u7814\u7a76\u4e13\u95e8\u63a2\u8ba8\u4e86\u57fa\u4e8e\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u7684\u590d\u6742\u58f0\u8c31\u56fe\u589e\u5f3a\u6280\u672f\u4ee5\u53ca\u7528\u4e8e\u8bed\u97f3\u589e\u5f3a\u7684\u591a\u76ee\u6807\u5b66\u4e60\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">14. \u65f6\u57df\u4e2d\u7684CNN<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u4e0d\u5fc5\u57fa\u4e8e\u8c31\u56fe\u8fdb\u884c\u5904\u7406\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u4eec\u8fd8\u53ef\u4ee5\u76f4\u63a5\u5904\u7406\u6ce2\u5f62\u91c7\u6837\u6570\u636e\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u65f6\u57df\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u53ef\u8868\u793a\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u542b\u566a\u58f0\u6ce2\u5f62\n \u2193\n\u4e00\u7ef4\u5377\u79ef\n \u2193\n\u7279\u5f81\u63d0\u53d6\n \u2193\n\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u5c42\n \u2193\n\u589e\u5f3a\u540e\u7684\u6ce2\u5f62<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c06\u663e\u5f0f\u7684STFT\/ISTFT\u5904\u7406\u4ece\u63a8\u7406\u7ba1\u9053\u4e2d\u79fb\u9664\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7814\u7a76\u8868\u660e\uff0c\u5168\u5377\u79ef\u65b9\u6cd5\u80fd\u591f\u4ee5\u5e26\u566a\u58f0\u7684\u65f6\u95f4\u57df\u5e27\u4f5c\u4e3a\u8f93\u5165\uff0c\u751f\u6210\u589e\u5f3a\u7684\u65f6\u95f4\u57df\u5e27\uff0c\u540c\u65f6\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\u91c7\u7528\u53ef\u5fae\u5206\u7684\u9891\u57df\u8fd0\u7b97\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u53d6\u820d\u5728\u4e8e\uff0c\u65f6\u57df\u7f51\u7edc\u5fc5\u987b\u76f4\u63a5\u4ece\u6ce2\u5f62\u91c7\u6837\u4e2d\u5b66\u4e60\u6709\u7528\u7684\u8868\u793a\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5176\u67b6\u6784\u8bbe\u8ba1\u548c\u8ba1\u7b97\u8981\u6c42\u4e0e\u57fa\u4e8e\u8c31\u56fe\u7684\u6a21\u578b\u6709\u6240\u4e0d\u540c\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">15. \u8c31\u56fe\u5377\u79ef\u7f51\u7edc\u4e0e\u65f6\u57df\u5377\u79ef\u7f51\u7edc\u7684\u5bf9\u6bd4<\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u65b9\u6cd5<\/th><th>\u8f93\u5165<\/th><th>\u4e3b\u8981\u4f18\u52bf<\/th><th>\u4e3b\u8981\u6311\u6218<\/th><\/tr><tr><td>\u8c31\u56fe\u5377\u79ef\u7f51\u7edc<\/td><td>\u632f\u5e45\/\u529f\u7387\u8c31\u56fe<\/td><td>\u660e\u786e\u7684\u65f6\u95f4-\u9891\u7387\u7ed3\u6784<\/td><td>\u76f8\u4f4d\u5904\u7406<\/td><\/tr><tr><td>\u590d\u6570\u8c31\u56fe\u5377\u79ef\u795e\u7ecf\u7f51\u7edc<\/td><td>\u590d\u6570STFT<\/td><td>\u53ef\u5efa\u6a21\u76f8\u4f4d\u4fe1\u606f<\/td><td>\u66f4\u590d\u6742\u7684\u6a21\u578b<\/td><\/tr><tr><td>\u65f6\u57df\u5377\u79ef\u795e\u7ecf\u7f51\u7edc<\/td><td>\u539f\u59cb\u6ce2\u5f62<\/td><td>\u7aef\u5230\u7aef\u5904\u7406<\/td><td>\u66f4\u5927\u7684\u65f6\u95f4\u5efa\u6a21\u6311\u6218<\/td><\/tr><tr><td>\u6df7\u5408\u5377\u79ef\u795e\u7ecf\u7f51\u7edc<\/td><td>DSP + \u9891\u8c31\u56fe + \u6ce2\u5f62<\/td><td>\u7075\u6d3b<\/td><td>\u7cfb\u7edf\u590d\u6742\u6027\u8fdb\u4e00\u6b65\u589e\u52a0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e76\u4e0d\u5b58\u5728\u4e00\u79cd\u653e\u4e4b\u56db\u6d77\u7686\u51c6\u7684\u6700\u4f73\u67b6\u6784\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u786e\u7684\u9009\u62e9\u53d6\u51b3\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u76ee\u6807\u786c\u4ef6<\/li>\n\n\n\n<li>\u5ef6\u8fdf<\/li>\n\n\n\n<li>\u91c7\u6837\u7387<\/li>\n\n\n\n<li>\u7533\u8bf7<\/li>\n\n\n\n<li>\u6a21\u578b\u5c3a\u5bf8<\/li>\n\n\n\n<li>\u97f3\u8d28\u8981\u6c42<\/li>\n\n\n\n<li>\u8bad\u7ec3\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">16. \u5377\u79ef\u795e\u7ecf\u7f51\u7edc\u4e0e\u6b8b\u5dee\u5b66\u4e60<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b8b\u5dee\u5b66\u4e60\u662f\u57fa\u4e8e\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u7684\u53bb\u566a\u65b9\u6cd5\u4e2d\u7684\u53e6\u4e00\u9879\u91cd\u8981\u6280\u672f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f51\u7edc\u65e0\u9700\u91cd\u5efa\u6574\u4e2a\u5e72\u51c0\u4fe1\u53f7\uff0c\u800c\u662f\u53ef\u4ee5\u5b66\u4e60\u566a\u58f0\u4fe1\u53f7\u4e0e\u5e72\u51c0\u4fe1\u53f7\u4e4b\u95f4\u7684\u5dee\u5f02\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u566a\u58f0 \u2248 \u5e26\u566a\u58f0\u97f3\u9891 \u2212 \u5e72\u51c0\u97f3\u9891<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7f51\u7edc\u5b66\u4e60\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u542b\u566a\u58f0\u97f3\u9891\n \u2193\n CNN\n \u2193\n\u4f30\u8ba1\u566a\u58f0\n \u2193\n\u542b\u566a\u58f0\u97f3\u9891 \u2212 \u4f30\u8ba1\u566a\u58f0\n \u2193\n\u589e\u5f3a\u97f3\u9891<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6216\u8005\uff0c\u7f51\u7edc\u4e5f\u53ef\u4ee5\u76f4\u63a5\u5b66\u4e60\u7eaf\u51c0\u4fe1\u53f7\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u67d0\u4e9b\u67b6\u6784\u4e2d\uff0c\u6b8b\u5dee\u5b66\u4e60\u53ef\u4ee5\u7b80\u5316\u5b66\u4e60\u95ee\u9898\uff0c\u56e0\u4e3a\u6a21\u578b\u4e13\u6ce8\u4e8e\u9700\u8981\u5e94\u7528\u7684\u53d8\u6362\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u4e8eCNN\u7684\u8c31\u56fe\u53bb\u566a\u7814\u7a76\u8fd8\u63a2\u8ba8\u4e86\u6b8b\u5dee\u5b66\u4e60\u548c\u6279\u91cf\u5f52\u4e00\u5316\u4f5c\u4e3a\u7f51\u7edc\u8bbe\u8ba1\u7684\u4e00\u90e8\u5206\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">17. CNN \u4e0e\u591a\u5c3a\u5ea6\u97f3\u9891\u7279\u5f81<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u566a\u58f0\u53ef\u80fd\u51fa\u73b0\u5728\u4e0d\u540c\u7684\u65f6\u95f4\u5c3a\u5ea6\u4e0a\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u98ce\u6247\u566a\u97f3\n\u2192 \u957f\u65f6\u8fc7\u7a0b\n\n\u952e\u76d8\u70b9\u51fb\u58f0\n\u2192 \u77ed\u65f6\u77ac\u6001\n\n\u8bed\u97f3\n\u2192 \u4e2d\u957f\u671f\u7ed3\u6784<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5355\u4e00\u5377\u79ef\u6838\u7684\u5927\u5c0f\u53ef\u80fd\u65e0\u6cd5\u6709\u6548\u6355\u6349\u6240\u6709\u8fd9\u4e9b\u6a21\u5f0f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u5148\u8fdb\u7684\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u67b6\u6784\u53ef\u80fd\u4f1a\u91c7\u7528\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u540c\u7684\u5185\u6838\u5c3a\u5bf8<\/li>\n\n\n\n<li>\u6269\u5f20\u7684\u8111\u56de<\/li>\n\n\n\n<li>\u591a\u5c3a\u5ea6\u5377\u79ef<\/li>\n\n\n\n<li>\u5e76\u884c\u529f\u80fd\u5206\u652f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u6982\u5ff5\u4e0a\u8bb2\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"> <code>                \u250c\u2192 \u5c0f\u5377\u79ef\u6838\n\u8f93\u5165 \u2192 \u5377\u79ef\u795e\u7ecf\u7f51\u7edc \u2500\u2500\u2500\u2500\u2500\u253c\u2192 \u4e2d\u7b49\u5377\u79ef\u6838\n \u2514\u2192 \u5927\u5377\u79ef\u6838\/\u6269\u5f20\u5377\u79ef\u6838\n \u2193\n \u7279\u5f81\u878d\u5408\n \u2193\n \u589e\u5f3a\u97f3\u9891<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4f7f\u5f97\u7f51\u7edc\u80fd\u591f\u89c2\u5bdf\u5230\u4e0d\u540c\u7684\u65f6\u57df\u548c\u9891\u57df\u4e0a\u4e0b\u6587\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">18. \u57fa\u4e8eCNN\u548cU-Net\u7684\u97f3\u9891\u53bb\u566a<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">U-Net \u67b6\u6784\u5c06\u5377\u79ef\u7f16\u7801\u5668\u548c\u89e3\u7801\u5668\u4e0e\u8df3\u8dc3\u8fde\u63a5\u76f8\u7ed3\u5408\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u7b80\u5316\u7684\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8f93\u5165\n  \u2193\n\u7f16\u7801\u5668\n  \u2193\n\u6df1\u5ea6\u8868\u5f81\n  \u2193\n\u89e3\u7801\u5668\n  \u2193\n\u8f93\u51fa<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8df3\u8fc7\u8fde\u63a5\u5c06\u76f8\u5e94\u7684\u7f16\u7801\u5c42\u548c\u89e3\u7801\u5c42\u8fde\u63a5\u8d77\u6765\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u7f16\u7801\u5668 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2192 \u89e3\u7801\u5668\n   \u2193 \u2191\n   \u2514\u2500\u2500\u2500\u2500 \u6df1\u5ea6\u7279\u5f81 \u2500\u2500\u2500\u2500\u2500\u2518<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6709\u52a9\u4e8e\u4fdd\u7559\u5728\u964d\u91c7\u6837\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u4e22\u5931\u7684\u8be6\u7ec6\u4fe1\u606f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u97f3\u9891\u53bb\u566a\u65b9\u9762\uff0cU-Net \u53ef\u5bf9\u9891\u8c31\u56fe\u8fdb\u884c\u5904\u7406\u5e76\u9884\u6d4b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5e72\u51c0\u7684\u9891\u8c31\u56fe<\/li>\n\n\n\n<li>\u566a\u58f0\u9891\u8c31\u56fe<\/li>\n\n\n\n<li>\u65f6\u9891\u63a9\u6a21<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0cU-Net \u662f\u7ee7\u57fa\u7840\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u67b6\u6784\u4e4b\u540e\u7684\u91cd\u8981\u4e00\u6b65\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">19. \u914d\u5907\u9ea6\u514b\u98ce\u9635\u5217\u7684CNN<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u6709\u591a\u4e2a\u9ea6\u514b\u98ce\u53ef\u7528\u65f6\uff0c\u57fa\u4e8eCNN\u7684\u589e\u5f3a\u6280\u672f\u5c31\u663e\u5f97\u5c24\u4e3a\u6709\u8da3\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ea6\u514b\u98ce\u9635\u5217\u53ef\u4ee5\u63d0\u4f9b\u591a\u4e2a\u901a\u9053\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u9ea6\u514b\u98ce 1 \u2500\u2510\n\u9ea6\u514b\u98ce 2 \u2500\u2524\n\u9ea6\u514b\u98ce 3 \u2500\u253c\u2192 \u591a\u901a\u9053\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\n\u9ea6\u514b\u98ce 4 \u2500\u2524\n\u9ea6\u514b\u98ce 5 \u2500\u2518<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7f51\u7edc\u53ef\u4ee5\u5904\u7406\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5355\u4e2a\u901a\u9053\u7684\u9891\u8c31<\/li>\n\n\n\n<li>\u5806\u53e0\u9891\u8c31\u56fe<\/li>\n\n\n\n<li>\u901a\u9053\u95f4\u76f8\u4f4d\u5dee<\/li>\n\n\n\n<li>\u7a7a\u95f4\u7279\u5f81<\/li>\n\n\n\n<li>\u6ce2\u675f\u6210\u5f62\u4fe1\u53f7<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u8be5\u7cfb\u7edf\u53ef\u4ee5\u540c\u65f6\u4f7f\u7528\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5149\u8c31\u4fe1\u606f + \u7a7a\u95f4\u4fe1\u606f<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5bf9\u4ee5\u4e0b\u65b9\u9762\u5f88\u91cd\u8981\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fdc\u573a\u8bed\u97f3\u91c7\u96c6<\/li>\n\n\n\n<li>\u4f1a\u8bae\u7cfb\u7edf<\/li>\n\n\n\n<li>\u667a\u80fd\u6559\u5ba4<\/li>\n\n\n\n<li>\u667a\u80fd\u626c\u58f0\u5668<\/li>\n\n\n\n<li>AI\u8bed\u97f3\u754c\u9762<\/li>\n\n\n\n<li>\u73af\u5883\u97f3\u9891\u611f\u77e5<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u5173\u7814\u7a76\u8fd8\u63a2\u8ba8\u4e86\u57fa\u4e8e\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u7684\u591a\u901a\u9053\u8bed\u97f3\u589e\u5f3a\u7cfb\u7edf\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">20. CNN + \u6ce2\u675f\u6210\u5f62<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u79cd\u5b9e\u7528\u7684\u9ea6\u514b\u98ce\u9635\u5217\u67b6\u6784\u53ef\u4ee5\u5c06\u4f20\u7edf\u7684\u7a7a\u95f4\u5904\u7406\u4e0e\u4eba\u5de5\u667a\u80fd\u76f8\u7ed3\u5408\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>MEMS \u9ea6\u514b\u98ce\u9635\u5217\n \u2193\n\u901a\u9053\u540c\u6b65\n \u2193\n\u6ce2\u675f\u6210\u5f62\n \u2193\nSTFT\n \u2193\n\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u964d\u566a\n \u2193\n\u589e\u5f3a\u8bed\u97f3<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u76f4\u63a5\u5411\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u63d0\u4f9b\u591a\u4e2a\u9ea6\u514b\u98ce\u901a\u9053\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>MEMS \u9635\u5217\n    \u2193\n\u591a\u901a\u9053 STFT\n    \u2193\n\u5377\u79ef\u795e\u7ecf\u7f51\u7edc (CNN)\n    \u2193\n\u7a7a\u95f4\u4e0e\u9891\u8c31\u589e\u5f3a\n    \u2193\n\u8bed\u97f3<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5df2\u6709\u73b0\u6210\u7684\u6ce2\u675f\u6210\u5f62\u7cfb\u7edf\uff0c\u7b2c\u4e00\u79cd\u65b9\u6cd5\u53ef\u80fd\u66f4\u5bb9\u6613\u90e8\u7f72\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u4e3a\u795e\u7ecf\u7f51\u7edc\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u539f\u59cb\u4fe1\u606f\uff0c\u4f46\u53ef\u80fd\u9700\u8981\u66f4\u591a\u7684\u8ba1\u7b97\u91cf\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">21. CNN \u548c MEMS \u9ea6\u514b\u98ce<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u795e\u7ecf\u7f51\u7edc\u53ea\u662f\u4fe1\u53f7\u94fe\u4e2d\u7684\u4e00\u90e8\u5206\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8eMEMS\u9ea6\u514b\u98ce\u7cfb\u7edf\uff0c\u5176\u6574\u4f53\u67b6\u6784\u53ef\u80fd\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u58f0\u5b66\u73af\u5883\n \u2193\nMEMS \u9ea6\u514b\u98ce\n \u2193\n\u6a21\u62df\/\u6570\u5b57\u524d\u7aef\n \u2193\nADC \/ \u6570\u5b57\u63a5\u53e3\n \u2193\n\u901a\u9053\u540c\u6b65\n \u2193\nDSP \/ \u6ce2\u675f\u6210\u5f62\n \u2193\nCNN \u589e\u5f3a\n \u2193\n\u97f3\u9891\u8f93\u51fa<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ea6\u514b\u98ce\u8f93\u5165\u7684\u8d28\u91cf\u4f9d\u7136\u5f88\u91cd\u8981\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ea6\u514b\u98ce\u7684\u91cd\u8981\u53c2\u6570\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4fe1\u566a\u6bd4<\/li>\n\n\n\n<li>\u7075\u654f\u5ea6<\/li>\n\n\n\n<li>\u9891\u7387\u54cd\u5e94<\/li>\n\n\n\n<li>\u58f0\u5b66\u8fc7\u8f7d\u70b9<\/li>\n\n\n\n<li>\u81ea\u566a\u58f0<\/li>\n\n\n\n<li>\u901a\u9053\u5339\u914d<\/li>\n\n\n\n<li>\u76f8\u4f4d\u4e00\u81f4\u6027<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u4e8e\u526a\u5207\u3001\u4e25\u91cd\u5931\u771f\u3001\u58f0\u5b66\u8026\u5408\u4e0d\u826f\u6216\u9ea6\u514b\u98ce\u4fe1\u566a\u6bd4\u4e0d\u8db3\uff0c\u795e\u7ecf\u7f51\u7edc\u65e0\u6cd5\u6062\u590d\u4ece\u672a\u88ab\u6355\u83b7\u7684\u4fe1\u606f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48 <strong>AI\u97f3\u9891\u589e\u5f3a\u6280\u672f\u5e94\u4e0e\u9ea6\u514b\u98ce\u786c\u4ef6\u548c\u58f0\u5b66\u5de5\u7a0b\u534f\u540c\u8bbe\u8ba1<\/strong>.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">22. \u8bad\u7ec3\u7528\u4e8e\u97f3\u9891\u53bb\u566a\u7684\u5377\u79ef\u795e\u7ecf\u7f51\u7edc<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u7684\u76d1\u7763\u5b66\u4e60\u8bad\u7ec3\u8fc7\u7a0b\u4f7f\u7528\u6210\u5bf9\u7684\u5e72\u51c0\u97f3\u9891\u548c\u5e26\u566a\u58f0\u97f3\u9891\u3002.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u6e05\u6670\u8bed\u97f3\n +\n\u566a\u58f0\n \u2193\n\u5e26\u566a\u58f0\u8bed\u97f3<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u6a21\u578b\u63a5\u6536\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8f93\u5165\uff1a\n\u542b\u6742\u97f3\u7684\u8bed\u97f3<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e76\u5b66\u4f1a\u9884\u6d4b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u76ee\u6807\uff1a\n\u6587\u660e\u7528\u8bed<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u8bad\u7ec3\u6d41\u7a0b\u53ef\u80fd\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5e72\u51c0\u97f3\u9891\n \u2193\n\u566a\u58f0\u6df7\u5408\n \u2193\n\u5e26\u566a\u58f0\u97f3\u9891\n \u2193\nSTFT\n \u2193\nCNN\n \u2193\n\u589e\u5f3a\u9891\u8c31\n \u2193\n\u635f\u5931\u8ba1\u7b97\n \u2193\n\u53cd\u5411\u4f20\u64ad<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u8fc7\u7a0b\u4f1a\u9488\u5bf9\u5927\u91cf\u8bad\u7ec3\u6837\u672c\u53cd\u590d\u8fdb\u884c\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">23. \u6784\u5efa\u4f18\u8d28\u7684\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u8bad\u7ec3\u6570\u636e\u96c6<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u53ef\u9760\u7684\u6570\u636e\u96c6\u5e94\u5305\u542b\u591a\u79cd\u591a\u6837\u7684\u6761\u4ef6\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a00\u8bed\u591a\u6837\u6027<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u540c\u7684\u626c\u58f0\u5668<\/li>\n\n\n\n<li>\u7537\u58f0\u548c\u5973\u58f0<\/li>\n\n\n\n<li>\u4e0d\u540c\u7684\u53e3\u97f3<\/li>\n\n\n\n<li>\u4e0d\u540c\u7684\u8bed\u901f<\/li>\n\n\n\n<li>\u5728\u9002\u5f53\u60c5\u51b5\u4e0b\u4f7f\u7528\u4e0d\u540c\u7684\u8bed\u8a00<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u566a\u58f0\u5206\u96c6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u98ce\u6247\u566a\u97f3<\/li>\n\n\n\n<li>\u6696\u901a\u7a7a\u8c03<\/li>\n\n\n\n<li>\u4ea4\u901a<\/li>\n\n\n\n<li>\u952e\u76d8<\/li>\n\n\n\n<li>\u4eba\u7fa4\u7684\u55a7\u95f9\u58f0<\/li>\n\n\n\n<li>\u673a\u68b0<\/li>\n\n\n\n<li>\u97f3\u4e50<\/li>\n\n\n\n<li>\u5bb6\u5ead\u566a\u97f3<\/li>\n\n\n\n<li>\u77ac\u6001\u4e8b\u4ef6<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u58f0\u5b66\u6761\u4ef6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b89\u9759\u7684\u623f\u95f4<\/li>\n\n\n\n<li>reverberant rooms<\/li>\n\n\n\n<li>\u4f1a\u8bae\u5ba4<\/li>\n\n\n\n<li>\u6559\u5ba4<\/li>\n\n\n\n<li>\u529e\u516c\u5ba4<\/li>\n\n\n\n<li>\u6237\u5916\u73af\u5883<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fe1\u566a\u6bd4\u5206\u96c6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>+20 dB\n+10 dB\n+5 dB\n0 dB\n-5 dB<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e94\u6839\u636e\u76ee\u6807\u4ea7\u54c1\u9009\u62e9\u786e\u5207\u7684\u8303\u56f4\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">24. \u7528\u4e8e\u97f3\u9891\u589e\u5f3a\u7684CNN\u635f\u5931\u51fd\u6570<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u7b80\u5355\u7684\u8c31\u635f\u5931\u51fd\u6570\u53ef\u4ee5\u57fa\u4e8e\u5747\u65b9\u8bef\u5dee\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>L = (1\/N) \u03a3 (\u015c\u1d62 \u2212 S\u1d62)\u00b2<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u97f3\u8d28\u7684\u95ee\u9898\u8fdc\u6bd4\u5355\u7eaf\u5730\u5c06\u6570\u503c\u8bef\u5dee\u964d\u5230\u6700\u4f4e\u8981\u590d\u6742\u5f97\u591a\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u4ee3\u7cfb\u7edf\u53ef\u80fd\u7ed3\u5408\u4e86\u591a\u4e2a\u76ee\u6807\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Ltotal =\n\u03bb\u2081Lspectral\n+\n\u03bb\u2082Lwaveform\n+\n\u03bb\u2083Lperceptual<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u80fd\u7684\u635f\u5931\u7ec4\u6210\u90e8\u5206\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5e45\u5ea6\u635f\u5931<\/li>\n\n\n\n<li>\u590d\u8c31\u635f\u8017<\/li>\n\n\n\n<li>\u6ce2\u5f62\u635f\u5931<\/li>\n\n\n\n<li>\u591a\u5206\u8fa8\u7387STFT\u635f\u5931\u51fd\u6570<\/li>\n\n\n\n<li>SI-SDR\u76f8\u5173\u635f\u8017<\/li>\n\n\n\n<li>\u611f\u77e5\u7f3a\u5931<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u786e\u7684\u635f\u5931\u51fd\u6570\u53d6\u51b3\u4e8e\u4ea7\u54c1\u9700\u8981\u4f18\u5316\u4ec0\u4e48\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">25. \u57fa\u4e8e\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\u7684\u5b9e\u65f6\u97f3\u9891\u53bb\u566a<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u79cd\u7814\u7a76\u6a21\u578b\u867d\u7136\u80fd\u591f\u5b9e\u73b0\u51fa\u8272\u7684\u589e\u5f3a\u6548\u679c\uff0c\u4f46\u53ef\u80fd\u4ecd\u4e0d\u9002\u5408\u7528\u4e8e\u5546\u7528\u5d4c\u5165\u5f0f\u4ea7\u54c1\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u65f6\u7cfb\u7edf\u5fc5\u987b\u8003\u8651\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5ef6\u8fdf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u6a21\u578b\u5fc5\u987b\u4ee5\u8db3\u591f\u5feb\u7684\u901f\u5ea6\u5904\u7406\u97f3\u9891\uff0c\u4ee5\u4fdd\u6301\u53ef\u63a5\u53d7\u7684\u7aef\u5230\u7aef\u5ef6\u8fdf\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8ba1\u7b97\u590d\u6742\u5ea6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5377\u79ef\u8fd0\u7b97\u7684\u6570\u91cf\u76f4\u63a5\u5f71\u54cd\u5904\u7406\u8981\u6c42\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8bb0\u5fc6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a21\u578b\u53c2\u6570\u548c\u4e2d\u95f4\u7279\u5f81\u56fe\u4f1a\u5360\u7528\u5185\u5b58\u548c\u5b58\u50a8\u7a7a\u95f4\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7535\u6e90<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fb9\u7f18\u8bbe\u5907\u53ef\u80fd\u5b58\u5728\u4e25\u683c\u7684\u529f\u8017\u9650\u5236\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u578b\u5c3a\u5bf8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5927\u578b\u6a21\u578b\u53ef\u80fd\u9700\u8981 NPU\u3001DSP\u3001GPU \u6216\u9ad8\u6027\u80fd CPU\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u6700\u4f73\u7814\u7a76\u6a21\u578b\n\u2260\n\u6700\u4f73\u5d4c\u5165\u5f0f\u4ea7\u54c1\u6a21\u578b<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6a21\u578b\u5f00\u53d1\u4e4b\u521d\u5c31\u5e94\u8003\u8651\u76ee\u6807\u786c\u4ef6\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">26. \u9762\u5411\u8fb9\u7f18\u8bbe\u5907\u7684CNN\u6a21\u578b\u4f18\u5316<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u964d\u4f4e\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u7684\u63a8\u7406\u5f00\u9500\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u91cf\u5316<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06\u9ad8\u7cbe\u5ea6\u7684\u6743\u91cd\u548c\u6fc0\u6d3b\u51fd\u6570\u8f6c\u6362\u4e3a\u4f4e\u7cbe\u5ea6\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>FP32\n \u2193\nINT8<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u4fee\u526a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5220\u9664\u5bf9\u6700\u7ec8\u6a21\u578b\u8d21\u732e\u76f8\u5bf9\u8f83\u5c0f\u7684\u53c2\u6570\u6216\u7ed3\u6784\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u77e5\u8bc6\u84b8\u998f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5229\u7528\u89c4\u6a21\u66f4\u5927\u7684\u6559\u5e08\u56e2\u961f\uff0c\u57f9\u517b\u89c4\u6a21\u8f83\u5c0f\u7684\u5b66\u751f\u7f51\u7edc\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8f7b\u91cf\u7ea7\u5377\u79ef<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u8ba1\u7b97\u6548\u7387\u66f4\u9ad8\u7684\u5377\u79ef\u7ed3\u6784\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u964d\u4f4e\u8f93\u5165\u5206\u8fa8\u7387<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5e94\u7528\u7a0b\u5e8f\u5141\u8bb8\u7684\u60c5\u51b5\u4e0b\uff0c\u7f29\u51cf\u65f6\u9891\u8868\u793a\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76ee\u6807\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8ba1\u7b97\u91cf\u66f4\u4f4e\n+\n\u5185\u5b58\u5360\u7528\u66f4\u4f4e\n+\n\u5ef6\u8fdf\u66f4\u4f4e\n+\n\u97f3\u8d28\u5c1a\u53ef<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7814\u7a76\u8fd8\u63a2\u8ba8\u4e86\u901a\u8fc7\u526a\u679d\u53ca\u5176\u4ed6\u6280\u672f\u6765\u964d\u4f4e\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u8bed\u97f3\u589e\u5f3a\u7684\u8ba1\u7b97\u6210\u672c\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">27. CNN \u97f3\u9891\u53bb\u566a\u4e0e\u4f20\u7edf DSP \u7684\u5bf9\u6bd4<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u795e\u7ecf\u7f51\u7edc\u5e76\u4e0d\u4e00\u5b9a\u6bd4\u6240\u6709\u4f20\u7edf\u7b97\u6cd5\u90fd\u66f4\u4f18\u8d8a\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u6280\u672f<\/th><th>\u5f3a\u5ea6<\/th><th>\u5178\u578b\u7684\u5c40\u9650\u6027<\/th><\/tr><tr><td>\u5149\u8c31\u51cf\u6cd5<\/td><td>\u975e\u5e38\u8f7b\u4fbf<\/td><td>\u53ef\u80fd\u4f1a\u4ea7\u751f\u526f\u4ea7\u54c1<\/td><\/tr><tr><td>\u7ef4\u7eb3\u6ee4\u6ce2\u5668<\/td><td>\u9ad8\u6548\u4e14\u6d41\u7545<\/td><td>\u53d6\u51b3\u4e8e\u4fe1\u53f7\u4f30\u8ba1\u503c<\/td><\/tr><tr><td>\u81ea\u9002\u5e94\u6ee4\u6ce2<\/td><td>\u9002\u7528\u4e8e\u76f8\u5173\u53c2\u8003\u566a\u58f0<\/td><td>\u9700\u8981\u5408\u9002\u7684\u53c2\u8003\u8d44\u6599<\/td><\/tr><tr><td>NMF<\/td><td>\u7ed3\u6784\u5316\u6e90\u5206\u89e3<\/td><td>\u8ba1\u7b97\u9700\u6c42\u66f4\u9ad8<\/td><\/tr><tr><td>DNN<\/td><td>\u5b66\u4e60\u975e\u7ebf\u6027\u5173\u7cfb<\/td><td>\u9700\u8981\u57f9\u8bad<\/td><\/tr><tr><td>CNN<\/td><td>\u51fa\u8272\u7684\u5c40\u90e8\u8c31\u56fe\u5efa\u6a21<\/td><td>\u6a21\u578b\u590d\u6742\u5ea6<\/td><\/tr><tr><td>U-Net<\/td><td>\u591a\u5c3a\u5ea6\u7279\u5f81\u4fdd\u7559<\/td><td>\u66f4\u591a\u8ba1\u7b97<\/td><\/tr><tr><td>Transformer<\/td><td>\u957f\u7a0b\u4e0a\u4e0b\u6587\u5efa\u6a21<\/td><td>\u901a\u5e38\u8ba1\u7b97\u5f00\u9500\u66f4\u5927<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u5d4c\u5165\u5f0f\u97f3\u9891\u7cfb\u7edf\u800c\u8a00\uff0c\u6df7\u5408\u65b9\u6848\u5f80\u5f80\u66f4\u4e3a\u5b9e\u7528\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">28. CNN + \u7ecf\u5178DSP<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5546\u7528\u7cfb\u7edf\u53ef\u80fd\u4f1a\u4f7f\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>MEMS \u9ea6\u514b\u98ce\n \u2193\n\u9ad8\u901a\u6ee4\u6ce2\u5668\n \u2193\n\u56de\u58f0\u6d88\u9664\uff08AEC\uff09\n \u2193\n\u6ce2\u675f\u6210\u5f62\n \u2193\n\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u964d\u566a\n \u2193\n\u81ea\u52a8\u589e\u76ca\u63a7\u5236\uff08AGC\uff09\n \u2193\n\u8f93\u51fa<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">DSP \u8d1f\u8d23\u5904\u7406\u786e\u5b9a\u6027\u4fe1\u53f7\u5904\u7406\u4efb\u52a1\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CNN \u8d1f\u8d23\u5904\u7406\u590d\u6742\u7684\u58f0\u5b66\u6a21\u5f0f\u8bc6\u522b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u804c\u8d23\u5212\u5206\u53ef\u4ee5\u4f7f\u7cfb\u7edf\u66f4\u5bb9\u6613\u8fdb\u884c\u4f18\u5316\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">29. CNN + DNN + NMF<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u590d\u6742\u7684\u7cfb\u7edf\u53ef\u4ee5\u7ed3\u5408\u591a\u79cd\u4eba\u5de5\u667a\u80fd\u548c\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u65b9\u6cd5\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u9ea6\u514b\u98ce\u9635\u5217\n \u2193\nSTFT\n \u2193\nNMF\n \u2193\n\u9891\u8c31\u7279\u5f81\n \u2193\n\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\n \u2193\n\u8bed\u97f3\u63a9\u7801\n \u2193\n\u589e\u5f3a\u97f3\u9891<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">NMF \u53ef\u4ee5\u63d0\u4f9b\u7ed3\u6784\u5316\u7684\u6e90\u4fe1\u606f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\uff0cCNN \u5c31\u80fd\u5b66\u4e60\u66f4\u590d\u6742\u7684\u975e\u7ebf\u6027\u5173\u7cfb\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4f53\u73b0\u73b0\u4ee3\u97f3\u9891\u5de5\u7a0b\u4e2d\u7684\u4e00\u79cd\u91cd\u8981\u8d8b\u52bf\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e0d\u540c\u7684\u7b97\u6cd5\u5e76\u4e0d\u4e00\u5b9a\u76f8\u4e92\u7ade\u4e89\uff1b\u5b83\u4eec\u53ef\u4ee5\u6784\u6210\u540c\u4e00\u4fe1\u53f7\u5904\u7406\u67b6\u6784\u4e2d\u7684\u4e0d\u540c\u5c42\u3002.<\/strong><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">30. \u5982\u4f55\u8bc4\u4f30\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u7684\u97f3\u9891\u53bb\u566a\u6548\u679c<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bc4\u4f30\u4e0d\u5e94\u4ec5\u4f9d\u8d56\u4e8e\u5355\u4e00\u6307\u6807\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fe1\u566a\u6bd4\uff08SNR\uff09\u7684\u6539\u5584<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u7528\u4e8e\u6d4b\u91cf\u964d\u566a\u6548\u679c\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">STOI<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u52a9\u4e8e\u8bed\u97f3\u6e05\u6670\u5ea6\u8bc4\u4f30\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PESQ \/ POLQA<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6839\u636e\u6d4b\u8bd5\u8bbe\u7f6e\u548c\u9002\u7528\u7684\u6807\u51c6\uff0c\u8be5\u65b9\u6cd5\u53ef\u7528\u4e8e\u611f\u77e5\u8bed\u97f3\u8d28\u91cf\u8bc4\u4f30\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SI-SDR<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u52a9\u4e8e\u8bc4\u4f30\u5728\u76f8\u5e94\u7684\u589e\u5f3a\u4efb\u52a1\u4e2d\u4fe1\u53f7\u7684\u91cd\u5efa\u6548\u679c\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8c31\u56fe\u6bd4\u8f83<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u8f83\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u6709\u566a\u70b9\nvs.\n\u589e\u5f3a\nvs.\n\u65e0\u566a\u70b9<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u542c\u529b\u6d4b\u8bd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf7\u6ce8\u610f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6b8b\u4f59\u566a\u58f0<\/li>\n\n\n\n<li>\u8bed\u97f3\u5931\u771f<\/li>\n\n\n\n<li>\u4e0d\u81ea\u7136\u7684\u4f2a\u5f71<\/li>\n\n\n\n<li>\u97f3\u4e50\u566a\u97f3<\/li>\n\n\n\n<li>\u77ac\u6001\u6291\u5236<\/li>\n\n\n\n<li>\u8bed\u97f3\u81ea\u7136\u5ea6<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e94\u7528\u7a0b\u5e8f\u6d4b\u8bd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u4eba\u5de5\u667a\u80fd\u8bed\u97f3\u754c\u9762\uff0c\u8fd8\u5e94\u8bc4\u4f30\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8bed\u97f3\u589e\u5f3a\n \u2193\n\u8bed\u97f3\u8bc6\u522b\uff08ASR\uff09\n \u2193\n\u8bcd\u8bc6\u522b\u51c6\u786e\u7387<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5173\u4e8e\u4f1a\u8bae\u9ea6\u514b\u98ce\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u589e\u5f3a\n \u2193\n\u8bed\u97f3\u6e05\u6670\u5ea6\n \u2193\n\u4f1a\u8bae\u4f53\u9a8c<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u8bc4\u4f30\u6307\u6807\u5e94\u4e0e\u4ea7\u54c1\u76ee\u6807\u76f8\u4e00\u81f4\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">31. \u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u97f3\u9891\u53bb\u566a\u4e2d\u7684\u5e38\u89c1\u95ee\u9898<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">31.1 \u8fc7\u5ea6\u6291\u5236<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u6a21\u578b\u5728\u53bb\u9664\u566a\u58f0\u7684\u540c\u65f6\uff0c\u4e5f\u4f1a\u53bb\u9664\u8bed\u97f3\u4fe1\u606f\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">31.2 \u8bed\u97f3\u5931\u771f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u51fa\u7ed3\u679c\u867d\u7136\u66f4\u6e05\u6670\u4e86\uff0c\u4f46\u663e\u5f97\u4e0d\u81ea\u7136\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">31.3 \u6cdb\u5316\u5931\u8d25<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u6a21\u578b\u5728\u8bad\u7ec3\u566a\u58f0\u4e0a\u7684\u8868\u73b0\u826f\u597d\uff0c\u4f46\u5728\u672a\u89c1\u8fc7\u7684\u566a\u58f0\u4e0a\u7684\u8868\u73b0\u8f83\u5dee\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">31.4 \u5149\u8c31\u4f2a\u5f71<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u6b63\u786e\u7684\u8499\u7248\u53ef\u80fd\u4f1a\u4ea7\u751f\u4e0d\u81ea\u7136\u7684\u9891\u7387\u5206\u5e03\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">31.5 \u65f6\u95f4\u4f2a\u5f71<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9884\u6d4b\u63a9\u7801\u7684\u5feb\u901f\u53d8\u5316\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6cf5\u9001\u73b0\u8c61\u6216\u4e0d\u7a33\u5b9a\u7684\u80cc\u666f\u566a\u58f0\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">31.6 \u5ef6\u8fdf<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5927\u578b\u5377\u79ef\u4e0a\u4e0b\u6587\u53ef\u80fd\u4f1a\u589e\u52a0\u5904\u7406\u5ef6\u8fdf\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">31.7 \u8ba1\u7b97\u6210\u672c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u5728\u5de5\u4f5c\u7ad9\u4e0a\u8fd0\u884c\u826f\u597d\u7684\u6a21\u578b\uff0c\u53ef\u80fd\u5e76\u4e0d\u9002\u5408\u4f4e\u529f\u8017\u7684\u5d4c\u5165\u5f0f\u8bbe\u5907\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">32. \u5982\u4f55\u8bbe\u8ba1\u4e00\u4e2a\u5b9e\u7528\u7684\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\u53bb\u566a\u7cfb\u7edf<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u6709\u7528\u7684\u5f00\u53d1\u6d41\u7a0b\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1. \u786e\u5b9a\u5e94\u7528\u573a\u666f\n \u2193\n2. \u786e\u5b9a\u76ee\u6807\u97f3\u8d28\n \u2193\n3. \u9009\u62e9MEMS\u9ea6\u514b\u98ce\/\u9635\u5217\n \u2193\n4. \u91c7\u96c6\u771f\u5b9e\u58f0\u5b66\u6570\u636e\n \u2193\n5. \u6784\u5efa\u8bad\u7ec3\u6570\u636e\u96c6\n \u2193\n6. \u9009\u62e9STFT\/\u6ce2\u5f62\u8868\u793a\u6cd5\n \u2193\n7. \u8bbe\u8ba1\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\n        \u2193\n8. \u8bad\u7ec3\u4e0e\u9a8c\u8bc1\n \u2193\n9. \u5728\u672a\u89c1\u8fc7\u7684\u566a\u58f0\u4e0b\u8fdb\u884c\u6d4b\u8bd5\n \u2193\n10. \u4f18\u5316\u6a21\u578b\n \u2193\n11. \u90e8\u7f72\u5230\u76ee\u6807\u786c\u4ef6\n \u2193\n12. \u5b9e\u65f6\u8bc4\u4f30\n \u2193\n13. \u542c\u611f\u6d4b\u8bd5\n \u2193\n14. \u5e94\u7528\u7ea7\u6d4b\u8bd5<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u907f\u514d\u4e00\u4e2a\u5e38\u89c1\u7684\u9519\u8bef\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5728\u5b9a\u4e49\u5b9e\u9645\u58f0\u5b66\u7cfb\u7edf\u4e4b\u524d\uff0c\u5148\u5bf9\u795e\u7ecf\u7f51\u7edc\u8fdb\u884c\u4f18\u5316\u3002.<\/strong><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">33. CNN \u97f3\u9891\u53bb\u566a\u6280\u672f\u7684\u5e94\u7528\u573a\u666f<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u4e8eCNN\u7684\u97f3\u9891\u589e\u5f3a\u6280\u672f\u53ef\u5e94\u7528\u4e8e\u591a\u79cd\u4ea7\u54c1\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f1a\u8bae\u9ea6\u514b\u98ce<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u63d0\u9ad8\u4f1a\u8bae\u5ba4\u7684\u8bed\u97f3\u6e05\u6670\u5ea6\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u667a\u80fd\u626c\u58f0\u5668<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6539\u5584\u8fdc\u573a\u8bed\u97f3\u91c7\u96c6\u6548\u679c\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4eba\u5de5\u667a\u80fd\u8bed\u97f3\u52a9\u624b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u8bed\u97f3\u8bc6\u522b\u63d0\u4f9b\u66f4\u6e05\u6670\u7684\u97f3\u9891\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u667a\u80fd\u6559\u5ba4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u63d0\u9ad8\u5bf9\u6559\u5e08\u548c\u5b66\u751f\u8bed\u97f3\u7684\u62fe\u97f3\u6548\u679c\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8033\u673a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u901a\u8bdd\u65f6\u964d\u4f4e\u73af\u5883\u566a\u97f3\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6c7d\u8f66\u97f3\u54cd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6539\u5584\u8f66\u5185\u8bed\u97f3\u901a\u4fe1\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e13\u4e1a\u97f3\u9891<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f18\u5316\u8bed\u97f3\u548c\u5e7f\u64ad\u5f55\u97f3\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/sistc.com\/zh\/product-category\/sensor-module\/product-category-acoustic-imaging-intelligent-sensing\/\">\u4eba\u5de5\u667a\u80fd\u591a\u6a21\u6001\u7cfb\u7edf<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4ee5\u4e0b\u7ec4\u5408\u7cfb\u7edf\u63d0\u4f9b\u66f4\u7eaf\u51c0\u7684\u97f3\u9891\u8f93\u5165\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u97f3\u9891<\/li>\n\n\n\n<li>\u613f\u666f<\/li>\n\n\n\n<li>\u8bed\u8a00<\/li>\n\n\n\n<li>\u96f7\u8fbe<\/li>\n\n\n\n<li>\u5176\u4ed6\u4f20\u611f\u5668\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e00\u9886\u57df\u4e0e\u65b0\u5174\u7684\u667a\u80fd\u4f20\u611f\u7cfb\u7edf\u5c24\u4e3a\u76f8\u5173\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">34. CNN Audio Denoising and <a href=\"https:\/\/sistc.com\/zh\/product-category\/sensor-module\/robotics-audio-solutions\/\">AI Multimodal Sensing<\/a><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u97f3\u9891\u6b63\u65e5\u76ca\u6210\u4e3a\u66f4\u5e9e\u5927\u7684\u4eba\u5de5\u667a\u80fd\u611f\u77e5\u7cfb\u7edf\u4e2d\u7684\u4e00\u4e2a\u7ec4\u6210\u90e8\u5206\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672a\u6765\u7684\u67b6\u6784\u53ef\u80fd\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u9ea6\u514b\u98ce\u9635\u5217 \u2500\u2500\u2510\n \u2502\n\u6444\u50cf\u5934 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n \u251c\u2192 \u591a\u6a21\u6001\u4eba\u5de5\u667a\u80fd\n\u96f7\u8fbe \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n \u2502\n\u5176\u4ed6\u4f20\u611f\u5668 \u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u97f3\u9891\u8fdb\u5165\u591a\u6a21\u6001AI\u6a21\u578b\u4e4b\u524d\uff0c\u57fa\u4e8e\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u7684\u589e\u5f3a\u6280\u672f\u53ef\u4ee5\u63d0\u5347\u97f3\u9891\u6d41\u7684\u8d28\u91cf\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u7531\u6b64\u4ea7\u751f\u4e86\u4e00\u4e2a\u91cd\u8981\u7684\u533a\u522b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u97f3\u9891\u589e\u5f3a\u5e76\u4e0d\u4e00\u5b9a\u5c31\u662f\u6700\u7ec8\u7684\u5e94\u7528\u3002.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u53ef\u4ee5\u4f5c\u4e3a\u66f4\u5927\u89c4\u6a21\u7684\u4eba\u5de5\u667a\u80fd\u611f\u77e5\u7cfb\u7edf\u7684\u9884\u5904\u7406\u5c42\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">35. \u97f3\u9891\u589e\u5f3a\u4e2d\u7684CNN\u4e0eTransformer\u5bf9\u6bd4<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u548c\u53d8\u538b\u5668\uff08Transformer\uff09\u5404\u6709\u5404\u7684\u4f18\u52bf\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u5728\u5c40\u90e8\u7279\u5f81\u63d0\u53d6\u65b9\u9762\u7279\u522b\u6709\u6548\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53d8\u538b\u5668\uff08Transformers\uff09\u65e8\u5728\u5229\u7528\u6ce8\u610f\u529b\u673a\u5236\u6765\u5efa\u6a21\u957f\u5e8f\u5217\u4e4b\u95f4\u7684\u5173\u7cfb\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u7b80\u5316\u7684\u6bd4\u8f83\u662f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u5efa\u7b51<\/th><th>\u4e3b\u8981\u4f18\u52bf<\/th><th>\u5178\u578b\u7684\u6311\u6218<\/th><\/tr><tr><td>DNN<\/td><td>\u975e\u7ebf\u6027\u7279\u5f81\u6620\u5c04<\/td><td>\u6709\u9650\u7684\u7a7a\u95f4\u7ed3\u6784<\/td><\/tr><tr><td>CNN<\/td><td>\u5c40\u90e8\u65f6\u9891\u6a21\u5f0f<\/td><td>\u957f\u8ddd\u79bb\u4e0a\u4e0b\u6587<\/td><\/tr><tr><td>RNN\/LSTM<\/td><td>\u65f6\u95f4\u5173\u7cfb<\/td><td>\u987a\u5e8f\u8ba1\u7b97<\/td><\/tr><tr><td>U-Net<\/td><td>\u591a\u5c3a\u5ea6\u8868\u793a<\/td><td>\u6a21\u578b\u590d\u6742\u5ea6<\/td><\/tr><tr><td>Transformer<\/td><td>\u957f\u7a0b\u6ce8\u610f\u529b<\/td><td>\u8ba1\u7b97\u4e0e\u5185\u5b58<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4f7f\u5f97\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u6210\u4e3a\u7b80\u5355\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u4e0e\u8ba1\u7b97\u9700\u6c42\u66f4\u9ad8\u7684\u5e8f\u5217\u6a21\u578b\u4e4b\u95f4\u7684\u91cd\u8981\u6298\u4e2d\u65b9\u6848\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u7cfb\u5217\u63a5\u4e0b\u6765\u7684\u6587\u7ae0\u5c06\u5206\u522b\u63a2\u8ba8\u8fd9\u4e9b\u67b6\u6784\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">36. CNN\u97f3\u9891\u589e\u5f3a\u6280\u672f\u7684\u672a\u6765<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ec5\u56e0\u4e3a\u51fa\u73b0\u4e86\u66f4\u5148\u8fdb\u7684\u4eba\u5de5\u667a\u80fd\u67b6\u6784\uff0cCNN\u5c31\u4e0d\u592a\u53ef\u80fd\u5c31\u6b64\u6d88\u5931\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4f18\u70b9\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f3a\u5c40\u90e8\u7279\u5f81\u63d0\u53d6<\/li>\n\n\n\n<li>\u53c2\u6570\u5171\u4eab<\/li>\n\n\n\n<li>\u6210\u719f\u7684\u5b9e\u65bd\u65b9\u6848<\/li>\n\n\n\n<li>\u9ad8\u6548\u63a8\u7406<\/li>\n\n\n\n<li>\u4e0e\u9891\u8c31\u56fe\u7684\u517c\u5bb9\u6027<\/li>\n\n\n\n<li>\u662f\u5426\u9002\u5408\u8fb9\u7f18\u90e8\u7f72<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u672a\u6765\u7684\u7cfb\u7edf\u5f88\u53ef\u80fd\u5c06\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u4e0e\u4ee5\u4e0b\u6280\u672f\u76f8\u7ed3\u5408\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6ce8\u610f<\/li>\n\n\n\n<li>RNN\/LSTM<\/li>\n\n\n\n<li>U-Net \u67b6\u6784<\/li>\n\n\n\n<li>\u53d8\u5f62\u91d1\u521a<\/li>\n\n\n\n<li>\u6ce2\u675f\u6210\u5f62<\/li>\n\n\n\n<li>\u81ea\u9002\u5e94\u6ee4\u6ce2<\/li>\n\n\n\n<li>NMF<\/li>\n\n\n\n<li>\u591a\u6a21\u6001\u4eba\u5de5\u667a\u80fd<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u9645\u76ee\u6807\u5e76\u4e0d\u662f\u4ec5\u4ec5\u56e0\u4e3a\u67d0\u79cd\u67b6\u6784\u66f4\u65b0\uff0c\u5c31\u53bb\u4f7f\u7528\u5b83\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76ee\u6807\u662f\u5728\u5b9e\u9645\u5e94\u7528\u7684\u9650\u5236\u6761\u4ef6\u4e0b\uff0c\u6784\u5efa\u4e00\u5957\u80fd\u591f\u8fbe\u5230\u6240\u9700\u6027\u80fd\u7684\u97f3\u9891\u7cfb\u7edf\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">37. \u5173\u952e\u8981\u70b9<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u4e3a\u57fa\u4e8e\u4eba\u5de5\u667a\u80fd\u7684\u97f3\u9891\u53bb\u566a\u63d0\u4f9b\u4e86\u4e00\u79cd\u5f3a\u6709\u529b\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u4eec\u80fd\u591f\u5b66\u4e60\u65f6\u9891\u8868\u793a\u4e2d\u7684\u5c40\u90e8\u6a21\u5f0f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u672c\u67b6\u6784\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u566a\u58f0\u97f3\u9891\n \u2193\nSTFT\n \u2193\n\u9891\u8c31\u56fe\n \u2193\n\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\n \u2193\n\u63a9\u7801\/\u5e72\u51c0\u9891\u8c31\n \u2193\n\u9006STFT\n \u2193\n\u589e\u5f3a\u97f3\u9891<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u5148\u8fdb\u7684\u7cfb\u7edf\u53ef\u4ee5\u76f4\u63a5\u5904\u7406\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u590d\u8c31\u56fe<\/li>\n\n\n\n<li>\u591a\u901a\u9053\u9891\u8c31\u56fe<\/li>\n\n\n\n<li>\u539f\u59cb\u6ce2\u5f62<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u8fd8\u53ef\u4ee5\u4e0e\u4ee5\u4e0b\u5185\u5bb9\u7ed3\u5408\u4f7f\u7528\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ea6\u514b\u98ce\u9635\u5217<\/li>\n\n\n\n<li>\u6ce2\u675f\u6210\u5f62<\/li>\n\n\n\n<li>NMF<\/li>\n\n\n\n<li>\u81ea\u9002\u5e94\u6ee4\u6ce2<\/li>\n\n\n\n<li>DNNs<\/li>\n\n\n\n<li>U-Net<\/li>\n\n\n\n<li>\u53d8\u5f62\u91d1\u521a<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u5b9e\u7528\u4ea7\u54c1\u800c\u8a00\uff0c\u901a\u5e38\u901a\u8fc7\u5904\u7406\u624d\u80fd\u83b7\u5f97\u6700\u4f73\u6548\u679c <strong>\u5c06\u9ea6\u514b\u98ce\u786c\u4ef6\u3001\u58f0\u5b66\u8bbe\u8ba1\u3001DSP\u3001AI\u67b6\u6784\u548c\u90e8\u7f72\u786c\u4ef6\u6574\u5408\u4e3a\u4e00\u4e2a\u96c6\u6210\u7cfb\u7edf<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0cCNN\u4e0d\u4ec5\u4ec5\u662f\u4e00\u79cd\u666e\u901a\u7684\u964d\u566a\u7b97\u6cd5\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u73b0\u4ee3\u793e\u4f1a\u7684\u4e00\u4e2a\u91cd\u8981\u57fa\u77f3 <strong><a href=\"https:\/\/sistc.com\/zh\/product\/amm-dp60-pro-directional-60-beamforming-microphone-array\/\">AI\u97f3\u9891\u589e\u5f3a<\/a> \u4e0e <a href=\"https:\/\/sistc.com\/zh\/product\/amm-dp60-pro-directional-60-beamforming-microphone-array\/\">intelligent microphone systems<\/a><\/strong>.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u5e38\u89c1\u95ee\u9898<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662fCNN\u97f3\u9891\u53bb\u566a\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CNN\u97f3\u9891\u53bb\u566a\u6280\u672f\u5229\u7528\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\u8bc6\u522b\u8bed\u97f3\u548c\u566a\u58f0\u6a21\u5f0f\uff0c\u5e76\u751f\u6210\u589e\u5f3a\u540e\u7684\u97f3\u9891\u4fe1\u53f7\u3002\u4e00\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u5904\u7406\u9891\u8c31\u56fe\u5e76\u9884\u6d4b\u65f6\u9891\u63a9\u7801\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u5728\u97f3\u9891\u53bb\u566a\u65b9\u9762\u5f88\u6709\u7528\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u80fd\u591f\u5b66\u4e60\u65f6\u9891\u8868\u793a\u4e2d\u7684\u5c40\u90e8\u7ed3\u6784\u3002\u8bed\u97f3\u4e2d\u5305\u542b\u5177\u6709\u7279\u5f81\u6027\u7684\u9891\u8c31\u548c\u65f6\u95f4\u6a21\u5f0f\uff0c\u5377\u79ef\u6ee4\u6ce2\u5668\u53ef\u4ee5\u4ece\u8bad\u7ec3\u6570\u636e\u4e2d\u5b66\u4e60\u8fd9\u4e9b\u6a21\u5f0f\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CNN\u7684\u53bb\u566a\u662f\u5426\u9700\u8981STFT\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u3002\u8bb8\u591a\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u7cfb\u7edf\u4f7f\u7528\u77ed\u65f6\u5085\u91cc\u53f6\u53d8\u6362\uff08STFT\uff09\u58f0\u8c31\u56fe\uff0c\u4f46CNN\u4e5f\u53ef\u4ee5\u76f4\u63a5\u5904\u7406\u539f\u59cb\u6ce2\u5f62\u3002\u7814\u7a76\u4e2d\u5df2\u7ecf\u9a8c\u8bc1\u4e86\u65f6\u57dfCNN\u8bed\u97f3\u589e\u5f3a\u7cfb\u7edf\u7684\u53ef\u884c\u6027\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u80fd\u4f30\u8ba1\u97f3\u9891\u76f8\u4f4d\u5417\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u662f\u7684\u3002\u5148\u8fdb\u7684\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u67b6\u6784\u80fd\u591f\u4f30\u8ba1\u590d\u6742\u7684\u9891\u8c31\u56fe\u5206\u91cf\uff08\u5305\u62ec\u5b9e\u90e8\u548c\u865a\u90e8\uff09\uff0c\u800c\u4e0d\u4ec5\u4ec5\u4f9d\u8d56\u4e8e\u5b58\u5728\u566a\u58f0\u7684\u76f8\u4f4d\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CNN\u964d\u566a\u6280\u672f\u80fd\u5426\u5e94\u7528\u4e8eMEMS\u9ea6\u514b\u98ce\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u662f\u7684\u3002\u57fa\u4e8eCNN\u7684\u589e\u5f3a\u6280\u672f\u53ef\u4ee5\u5904\u7406\u7531MEMS\u9ea6\u514b\u98ce\u91c7\u96c6\u7684\u97f3\u9891\u3002\u4e0d\u8fc7\uff0c\u9ea6\u514b\u98ce\u7684\u4fe1\u566a\u6bd4\u3001\u7075\u654f\u5ea6\u3001\u9891\u7387\u54cd\u5e94\u3001\u58f0\u5b66\u8bbe\u8ba1\u4ee5\u53ca\u4fe1\u9053\u8d28\u91cf\u4ecd\u4f1a\u5f71\u54cd\u6700\u7ec8\u7684\u6027\u80fd\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u80fd\u4e0e\u9ea6\u514b\u98ce\u9635\u5217\u914d\u5408\u4f7f\u7528\u5417\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u662f\u7684\u3002\u591a\u4e2a\u9ea6\u514b\u98ce\u901a\u9053\u53ef\u4ee5\u63d0\u4f9b\u7a7a\u95f4\u4fe1\u606f\uff0c\u8fd9\u4e9b\u4fe1\u606f\u53ef\u4e0e\u57fa\u4e8e\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u7684\u9891\u8c31\u5904\u7406\u76f8\u7ed3\u5408\u3002\u8fd9\u5bf9\u4e8e\u8fdc\u573a\u8bed\u97f3\u589e\u5f3a\u548c\u667a\u80fd\u9ea6\u514b\u98ce\u7cfb\u7edf\u5c24\u4e3a\u6709\u7528\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CNN \u6bd4\u9891\u8c31\u51cf\u6cd5\u66f4\u597d\u5417\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u548c\u8c31\u51cf\u6cd5\u91c7\u7528\u7684\u662f\u622a\u7136\u4e0d\u540c\u7684\u65b9\u6cd5\u3002\u8c31\u51cf\u6cd5\u901a\u5e38\u66f4\u7b80\u5355\uff0c\u8ba1\u7b97\u8d1f\u62c5\u4e5f\u66f4\u8f7b\uff0c\u800c\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\u5219\u80fd\u4ece\u6570\u636e\u4e2d\u5b66\u4e60\u66f4\u590d\u6742\u7684\u6a21\u5f0f\u3002\u5177\u4f53\u91c7\u7528\u54ea\u79cd\u65b9\u6848\u53d6\u51b3\u4e8e\u5177\u4f53\u5e94\u7528\u573a\u666f\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CNN\u97f3\u9891\u53bb\u566a\u80fd\u5426\u5b9e\u65f6\u8fdb\u884c\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u662f\u7684\uff0c\u4f46\u6a21\u578b\u7684\u8bbe\u8ba1\u5fc5\u987b\u56f4\u7ed5\u76ee\u6807\u786c\u4ef6\u8fdb\u884c\u3002\u5ef6\u8fdf\u3001\u5185\u5b58\u3001\u8ba1\u7b97\u590d\u6742\u5ea6\u3001\u529f\u8017\u548c\u6a21\u578b\u5927\u5c0f\u90fd\u9700\u8981\u52a0\u4ee5\u8003\u8651\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5728AI\u97f3\u9891\u589e\u5f3a\u9886\u57df\uff0c\u7ee7CNN\u4e4b\u540e\u4f1a\u6709\u4ec0\u4e48\u65b0\u8fdb\u5c55\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u8981\u7684\u67b6\u6784\u5305\u62ecRNN\/LSTM\u3001U-Net\u548cTransformer\u6a21\u578b\u3002\u8fd9\u4e9b\u65b9\u6cd5\u63d0\u4f9b\u4e86\u5efa\u6a21\u65f6\u5e8f\u4e0a\u4e0b\u6587\u4ee5\u53ca\u591a\u5c3a\u5ea6\u6216\u957f\u8ddd\u79bb\u97f3\u9891\u4fe1\u606f\u7684\u4e0d\u540c\u65b9\u5f0f\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u5efa\u8bae\u7684\u5916\u90e8\u53c2\u8003\u8d44\u6599<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/link.wtturl.cn\/?target=https%3A%2F%2Fieeexplore.ieee.org%2Fdocument%2F9467599&amp;scene=im&amp;aid=582478&amp;lang=zh\" target=\"_blank\" rel=\"noreferrer noopener\">IEEE research on CNN-based spectrogram denoising<\/a>.<\/li>\n\n\n\n<li><a href=\"https:\/\/link.wtturl.cn\/?target=https%3A%2F%2Fieeexplore.ieee.org%2Fdocument%2F8744205&amp;scene=im&amp;aid=582478&amp;lang=zh\" target=\"_blank\" rel=\"noreferrer noopener\">\u57fa\u4e8e\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u7684\u65f6\u57df\u8bed\u97f3\u589e\u5f3a\u7814\u7a76\u3002.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/link.wtturl.cn\/?target=https%3A%2F%2Fieeexplore.ieee.org%2Fdocument%2F9053023&amp;scene=im&amp;aid=582478&amp;lang=zh\" target=\"_blank\" rel=\"noopener\">Research on complex spectrogram enhancement using CNNs<\/a>.<\/li>\n\n\n\n<li><a href=\"https:\/\/link.wtturl.cn\/?target=https%3A%2F%2Fieeexplore.ieee.org%2Fdocument%2F9143470&amp;scene=im&amp;aid=582478&amp;lang=zh\" target=\"_blank\" rel=\"noopener\">\u5173\u4e8e\u57fa\u4e8e\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u7684\u591a\u901a\u9053\u8bed\u97f3\u589e\u5f3a\u7684\u6700\u65b0\u7814\u7a76\u3002.<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Traditional audio noise reduction algorithms such as spectral subtraction, Wiener filtering, adaptive filtering, and NMF are based on mathematical models of the signal and noise. Deep learning introduced a different [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_joinchat":[],"footnotes":""},"categories":[103],"tags":[],"class_list":["post-16707","post","type-post","status-publish","format-standard","hentry","category-technical-blog"],"_links":{"self":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/16707","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/comments?post=16707"}],"version-history":[{"count":2,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/16707\/revisions"}],"predecessor-version":[{"id":16709,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/16707\/revisions\/16709"}],"wp:attachment":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/media?parent=16707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/categories?post=16707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/tags?post=16707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}