{"id":16448,"date":"2026-06-16T04:26:11","date_gmt":"2026-06-16T04:26:11","guid":{"rendered":"https:\/\/sistc.com\/?p=16448"},"modified":"2026-06-16T09:10:32","modified_gmt":"2026-06-16T09:10:32","slug":"low-altitude-acoustic-profiling-mems-microphone-array-ssl","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/low-altitude-acoustic-profiling-mems-microphone-array-ssl\/","title":{"rendered":"\u5229\u7528\u7ebf\u6027MEMS\u9ea6\u514b\u98ce\u9635\u5217\u8fdb\u884c\u4f4e\u7a7a\u58f0\u5b66\u5256\u9762\u6d4b\u91cf\u4e0e\u591a\u58f0\u6e90\u5b9a\u4f4d"},"content":{"rendered":"<h3 class=\"wp-block-heading\">\u5bfc\u8a00<\/h3><p class=\"wp-block-paragraph\">\u968f\u7740\u4f4e\u7a7a\u7ecf\u6d4e\u3001\u57ce\u5e02\u65e0\u4eba\u7269\u6d41\u4ee5\u53ca\u57ce\u5e02\u7a7a\u4e2d\u4ea4\u901a\uff08UAM\uff09\u7684\u8fc5\u731b\u53d1\u5c55\uff0c\u5bf9\u4f4e\u7a7a\u98de\u884c\u76ee\u6807\u7684\u76d1\u6d4b\u4e0e\u8ffd\u8e2a\u5df2\u6210\u4e3a\u4fdd\u969c\u7a7a\u57df\u5b89\u5168\u53ca\u9690\u79c1\u4fdd\u62a4\u9762\u4e34\u7684\u4e00\u9879\u5173\u952e\u6311\u6218\u3002 \u4f20\u7edf\u76d1\u63a7\u65b9\u6cd5\uff08\u5982\u96f7\u8fbe\u548c\u8ba1\u7b97\u673a\u89c6\u89c9\uff09\u5728\u63a2\u6d4b\u4f4e\u7a7a\u3001\u4f4e\u901f\u6216\u5c0f\u578b\u590d\u5408\u6750\u6599\u76ee\u6807\u65f6\uff0c\u5f80\u5f80\u4f1a\u9047\u5230\u76f2\u533a\uff0c\u5c24\u5176\u662f\u5728\u5149\u7167\u590d\u6742\u6216\u57ce\u5e02\u73af\u5883\u5bc6\u96c6\u7684\u60c5\u51b5\u4e0b\u3002<\/p><p class=\"wp-block-paragraph\">\u4e3a\u514b\u670d\u8fd9\u4e9b\u5c40\u9650\u6027\uff0c <strong>\u57fa\u4e8e\u8fb9\u7f18\u8ba1\u7b97\u7684\u58f0\u5b66\u5b9a\u4f4d\u6280\u672f<\/strong> \u5df2\u9010\u6e10\u6210\u4e3a\u4e00\u79cd\u9ad8\u6027\u4ef7\u6bd4\u3001\u5168\u5929\u5019\u4e14\u88ab\u52a8\u5f0f\u7684\u66ff\u4ee3\u65b9\u6848<sup><\/sup>. \u901a\u8fc7\u4f7f\u7528\u6570\u5b57\u5fae\u673a\u7535\u7cfb\u7edf\uff08MEMS\uff09\u9ea6\u514b\u98ce\u91c7\u96c6\u4e0e\u786c\u4ef6\u540c\u6b65\u7684\u97f3\u9891\uff0c\u5de5\u4e1a\u7cfb\u7edf\u80fd\u591f\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u7684\u4f4e\u7a7a\u58f0\u5b66\u5256\u9762\u6d4b\u7ed8\u548c\u5b9e\u65f6\u58f0\u6e90\u5b9a\u4f4d\uff08SSL\uff09<sup><\/sup>. \u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u7ebf\u6027\u9ea6\u514b\u98ce\u9635\u5217\u914d\u7f6e\u7684\u6838\u5fc3\u5de5\u4f5c\u539f\u7406\uff0c\u5e76\u63a2\u8ba8\u5148\u8fdb\u7684\u786c\u4ef6\u5e73\u53f0\u5982\u4f55\u5f25\u5408\u5b66\u672f\u7406\u8bba\u4e0e\u5de5\u4e1a\u5e94\u7528\u4e4b\u95f4\u7684\u5dee\u8ddd<sup><\/sup>.<\/p><h3 class=\"wp-block-heading\">1. \u9ea6\u514b\u98ce\u9635\u5217\u5728\u58f0\u5b66\u5efa\u6a21\u4e2d\u7684\u6838\u5fc3\u4f18\u52bf<\/h3><p class=\"wp-block-paragraph\">\u4f4e\u7a7a\u76ee\u6807\u4f1a\u4ea7\u751f\u4e00\u79cd\u72ec\u7279\u7684\u58f0\u5b66\u7279\u5f81\uff0c\u8fd9\u79cd\u7279\u5f81\u4e3b\u8981\u7531\u5176\u53d1\u52a8\u673a\u548c\u87ba\u65cb\u6868\u9a71\u52a8<sup><\/sup>. \u867d\u7136\u5355\u901a\u9053\u9ea6\u514b\u98ce\u53ea\u80fd\u6355\u6349\u58f0\u538b\u632f\u5e45\uff0c\u4f46\u901a\u8fc7\u6218\u7565\u6027\u5e03\u7f6e\u7684\u591a\u9ea6\u514b\u98ce\u9635\u5217\uff0c\u7ed3\u5408\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u6280\u672f\uff0c\u80fd\u591f\u5e26\u6765\u663e\u8457\u7684\u7cfb\u7edf\u4f18\u52bf<sup><\/sup>:<\/p><ul class=\"wp-block-list\"><li><strong>\u7a7a\u95f4\u6307\u5411\u6027\uff1a<\/strong> \u653e\u5927\u58f0\u6ce2\uff0c\u6355\u6349\u6765\u81ea\u7279\u5b9a\u65b9\u5411\u7684\u58f0\u97f3\u3002<\/li>\n\n<li><strong>\u70b9\u6e90\u566a\u58f0\u6291\u5236\uff1a<\/strong> \u53ef\u6291\u5236\u975e\u5e73\u7a33\u73af\u5883\u566a\u58f0\u548c\u65e0\u76ee\u6807\u5e72\u6270\u3002<\/li>\n\n<li><strong>\u58f0\u5b66\u8ffd\u8e2a\uff1a<\/strong> \u652f\u6301\u7a7a\u95f4\u5b9a\u4f4d\uff0c\u80fd\u591f\u968f\u65f6\u95f4\u63a8\u79fb\u6301\u7eed\u8ffd\u8e2a\u79fb\u52a8\u7684\u70b9\u58f0\u6e90\u3002<\/li>\n\n<li><strong>\u6df7\u54cd\u6291\u5236\uff1a<\/strong> \u5728\u590d\u6742\u7684\u57ce\u5e02\u5730\u5f62\u6216\u5c71\u533a\u73af\u5883\u4e2d\uff0c\u53ef\u90e8\u5206\u51cf\u5f31\u591a\u5f84\u53cd\u5c04\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">2. \u9635\u5217\u67b6\u6784\uff1a\u6a2a\u5411\u9635\u5217\u4e0e\u7eb5\u5411\u9635\u5217<\/h3><p class=\"wp-block-paragraph\">\u5728\u8bbe\u8ba1\u58f0\u5b66\u5256\u9762\u6d4b\u91cf\u7cfb\u7edf\u65f6\uff0c\u4f20\u611f\u5668\u7684\u51e0\u4f55\u5e03\u7f6e\u51b3\u5b9a\u4e86\u9635\u5217\u7684\u65b9\u5411\u54cd\u5e94<sup><\/sup>. \u5f53\u4ee3\u7814\u7a76\u4e2d\u8ba8\u8bba\u7684\u4e24\u79cd\u57fa\u7840\u914d\u7f6e\u662f <strong>\u4f20\u5355<\/strong> \u4e0e <strong>Endfire<\/strong> \u7ed3\u6784<sup><\/sup>:<\/p><h4 class=\"wp-block-heading\">\u5bbd\u8fb9\u9635\u5217\u7ed3\u6784<\/h4><p class=\"wp-block-paragraph\">\u5728\u201cBroadside\u201d\u914d\u7f6e\u4e2d\uff0c\u5168\u5411\u9ea6\u514b\u98ce\u4e0e\u76ee\u6807\u4fe1\u53f7\u7684\u65b9\u5411\u5782\u76f4\u653e\u7f6e<sup><\/sup>.<\/p><ul class=\"wp-block-list\"><li><strong>\u7279\u70b9<\/strong> \u5b83\u5177\u6709\u4e00\u4e2a\u5bf9\u79f0\u8f74\uff0c\u4f7f\u5f97\u58f0\u538b\u6ce2\u80fd\u591f\u4e0d\u53d7\u8870\u51cf\u5730\u7a7f\u8fc7\u9635\u5217\u7684\u524d\u540e\u4e24\u4fa7\u3002<\/li>\n\n<li><strong>\u9891\u7387\u4f9d\u8d56\u6027\uff1a<\/strong> Broadside \u5e03\u5c40\u7684\u4e00\u4e2a\u4e3b\u8981\u7f3a\u70b9\u662f\u5b83\u5bf9\u4fe1\u53f7\u9891\u7387\u7684\u4f9d\u8d56\u6027\u5f88\u5f3a\u3002 \u4f8b\u5982\uff0c\u4e00\u4e2a\u95f4\u8ddd\u4e3a7.5\u5398\u7c73\u7684\u4e24\u5355\u5143Broadside\u9635\u5217\u57284 kHz\u65f6\u8868\u73b0\u51fa\u660e\u663e\u7684\u5b9a\u5411\u7279\u6027\uff0c\u4f46\u5728\u8f83\u4f4e\u9891\u7387\uff08\u4f8b\u59821 kHz\uff09\u4e0b\u5219\u57fa\u672c\u53d8\u4e3a\u5168\u5411\u6027\uff0c\u65e0\u6cd5\u5728\u58f0\u5b66\u7279\u5f81\u7684\u4f4e\u9891\u8c31\u8303\u56f4\u5185\u5b9e\u73b0\u6709\u6548\u7684\u7a7a\u95f4\u6ee4\u6ce2\u3002<\/li><\/ul><h4 class=\"wp-block-heading\">\u7aef\u5c04\u7ed3\u6784\uff08\u5dee\u5206\u9ea6\u514b\u98ce\u9635\u5217\uff09<\/h4><figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"944\" height=\"415\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/06\/Structure-of-a-first-order-differential-microphone-array.webp\" alt=\"\" class=\"wp-image-16450\" style=\"width:382px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/06\/Structure-of-a-first-order-differential-microphone-array.webp 944w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/06\/Structure-of-a-first-order-differential-microphone-array-300x132.webp 300w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/06\/Structure-of-a-first-order-differential-microphone-array-768x338.webp 768w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/06\/Structure-of-a-first-order-differential-microphone-array-18x8.webp 18w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/06\/Structure-of-a-first-order-differential-microphone-array-600x264.webp 600w\" sizes=\"(max-width: 944px) 100vw, 944px\" \/><figcaption class=\"wp-element-caption\">\u4e00\u9636\u5fae\u5206\u9ea6\u514b\u98ce\u9635\u5217\u7684\u7ed3\u6784<\/figcaption><\/figure><p class=\"wp-block-paragraph\">\u7aef\u5c04\u5f0f\u7ed3\u6784\u5c06\u591a\u4e2a\u9ea6\u514b\u98ce\u6cbf\u5165\u5c04\u6709\u7528\u58f0\u6ce2\u7684\u4f20\u64ad\u8def\u5f84\u6392\u5217<sup><\/sup>. \u901a\u8fc7\u5c06\u524d\u7f6e\u9ea6\u514b\u98ce\u7684\u5ef6\u8fdf\u4fe1\u53f7\u4e0e\u540e\u7f6e\u9ea6\u514b\u98ce\u7684\u4fe1\u53f7\u76f8\u52a0\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u6784\u5efa\u4e00\u4e2a\u5dee\u5206\u9635\u5217\uff0c\u4ece\u800c\u5f62\u6210\u5fc3\u5f62\u3001\u8d85\u5fc3\u5f62\u6216\u8d85\u8d85\u5fc3\u5f62\u6307\u5411\u6027\u6a21\u5f0f<sup><\/sup>.<\/p><ul class=\"wp-block-list\"><li><strong>\u7279\u70b9<\/strong> \u4ece\u7406\u8bba\u4e0a\u8bb2\uff0c\u5b83\u80fd\u6d88\u9664\u4ee5$180^\\circ$\u89d2\u5ea6\u5165\u5c04\u7684\u58f0\u97f3\uff0c\u56e0\u6b64\u5177\u6709\u9ad8\u5ea6\u7684\u5b9a\u5411\u6027\u4e14\u7ed3\u6784\u7d27\u51d1\u3002<\/li>\n\n<li><strong>\u4f4e\u9891\u6311\u6218\uff1a<\/strong> \u867d\u7136\u4e00\u9636\u548c\u66f4\u9ad8\u9636\u5dee\u5206\u9ea6\u514b\u98ce\u9635\u5217\uff08DMA\uff09\u5728\u7d27\u51d1\u7684\u7269\u7406\u5c3a\u5bf8\u4e0b\u80fd\u63d0\u4f9b\u51fa\u8272\u7684\u79bb\u8f74\u6291\u5236\u6027\u80fd\uff0c\u4f46\u5176\u6307\u5411\u6027\u7279\u6027\u8868\u73b0\u5f97\u50cf\u4e00\u4e2a\u4e00\u9636\u9ad8\u901a\u6ee4\u6ce2\u5668\u3002 \u5728\u8f83\u4f4e\u9891\u7387\u4e0b\uff0c\u5dee\u5206\u8f93\u51fa\u5bf9\u5355\u4e2a\u9ea6\u514b\u98ce\u4e4b\u95f4\u7684\u53c2\u6570\u4e0d\u5339\u914d\uff08\u5982\u7075\u654f\u5ea6\u548c\u76f8\u4f4d\u6f02\u79fb\uff09\u6781\u4e3a\u654f\u611f\u3002\u4efb\u4f55\u5fae\u5c0f\u7684\u504f\u5dee\u90fd\u4f1a\u88ab\u7528\u4e8e\u7a33\u5b9a\u7535\u8def\u7684\u5747\u8861\u6ee4\u6ce2\u5668\uff08$W_{eq}(\\omega)$\uff09\u5927\u5e45\u653e\u5927\uff0c\u8fd9\u5bf9\u786c\u4ef6\u7cbe\u5ea6\u63d0\u51fa\u4e86\u4e25\u683c\u7684\u8981\u6c42\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">3. \u5f25\u5408\u6280\u672f\u9e3f\u6c9f\uff1a\u591a\u901a\u9053\u6570\u5b57\u5fae\u673a\u7535\u7cfb\u7edf\u9635\u5217<\/h3><figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"903\" height=\"183\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/06\/A-simple-model-of-a-digital-MEMS-microphone.webp\" alt=\"\" class=\"wp-image-16451\" style=\"width:651px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/06\/A-simple-model-of-a-digital-MEMS-microphone.webp 903w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/06\/A-simple-model-of-a-digital-MEMS-microphone-300x61.webp 300w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/06\/A-simple-model-of-a-digital-MEMS-microphone-768x156.webp 768w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/06\/A-simple-model-of-a-digital-MEMS-microphone-18x4.webp 18w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/06\/A-simple-model-of-a-digital-MEMS-microphone-600x122.webp 600w\" sizes=\"(max-width: 903px) 100vw, 903px\" \/><figcaption class=\"wp-element-caption\">\u4e00\u79cd\u6570\u5b57MEMS\u9ea6\u514b\u98ce\u7684\u7b80\u5316\u6a21\u578b<\/figcaption><\/figure><p class=\"wp-block-paragraph\">\u4e3a\u514b\u670d\u6a21\u62df\u53c2\u6570\u6f02\u79fb\u7684\u5c40\u9650\u6027\uff0c\u5e76\u6ee1\u8db3\u5148\u8fdb\u5b9a\u4f4d\u7b97\u6cd5\u5bf9\u65f6\u949f\u540c\u6b65\u7684\u4e25\u82db\u8981\u6c42\uff0c\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684\u8fb9\u7f18\u5e94\u7528\u5fc5\u987b\u8f6c\u5411\u9ad8\u5bc6\u5ea6\u6570\u5b57\u67b6\u6784<sup><\/sup>.<\/p><p class=\"wp-block-paragraph\">SISTC\u7684 <strong><a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/sistc.com\/zh\/product\/sv-ssl64-channel-mems-microphone-array-development-platform\/\">SV-SSL 64\u901a\u9053MEMS\u9ea6\u514b\u98ce\u9635\u5217\u5f00\u53d1\u5e73\u53f0<\/a><\/strong> \u8be5\u4ea7\u54c1\u7531\u65e0\u9521\u7845\u6e90\u79d1\u6280\u6709\u9650\u516c\u53f8\uff08SISTC\uff09\u7814\u53d1\uff0c\u4e13\u4e3a\u6ee1\u8db3\u8fd9\u4e9b\u9ad8\u5f3a\u5ea6\u7684\u4f4e\u7a7a\u58f0\u5b66\u5256\u9762\u6d4b\u91cf\u9700\u6c42\u800c\u8bbe\u8ba1\u3002<\/p><p class=\"wp-block-paragraph\">SV-SSL64 \u5e73\u53f0\u7684\u786c\u4ef6\u53c2\u6570\u5b8c\u7f8e\u89e3\u51b3\u4e86\u58f0\u6e90\u5b9a\u4f4d\u7684\u6838\u5fc3\u74f6\u9888\uff1a<\/p><ul class=\"wp-block-list\"><li><strong>\u7eb3\u79d2\u7ea7\u786c\u4ef6\u540c\u6b65\uff1a<\/strong> \u8be5\u5e73\u53f0\u4e0a\u7684\u6bcf\u9897\u6570\u5b57MEMS\u9ea6\u514b\u98ce\u5747\u5171\u4eab\u4e00\u4e2a\u540c\u6b65\u4e3b\u65f6\u949f\uff0c\u4ece\u800c\u786e\u4fdd\u65f6\u95f4\u5dee\uff08TDOA\uff09\u548c\u5e7f\u4e49\u4e92\u76f8\u5173\uff08GCC-PHAT\uff09\u6027\u80fd\u7eaf\u51c0\u65e0\u7455\uff0c\u4e14\u4e0d\u5b58\u5728\u8f6f\u4ef6\u7f13\u51b2\u6296\u52a8\u3002<\/li>\n\n<li><strong>\u5927\u89c4\u6a21\u7a7a\u95f4\u91c7\u6837\u901a\u9053\uff1a<\/strong> \u8be5\u5e73\u53f0\u652f\u6301\u591a\u8fbe 64 \u4e2a\u5e76\u884c\u901a\u9053\u7684\u9ad8\u6027\u80fd MEMS \u9ea6\u514b\u98ce\uff0c\u4e3a\u9ad8\u9636\u6ce2\u675f\u6210\u5f62\u63d0\u4f9b\u65e0\u4e0e\u4f26\u6bd4\u7684\u7a7a\u95f4\u5206\u8fa8\u7387\uff0c\u4ece\u800c\u6d88\u9664\u7a7a\u95f4\u6df7\u53e0\u5e76\u5927\u5e45\u63d0\u5347\u4fe1\u566a\u6bd4 (SNR)\u3002<\/li>\n\n<li><strong>\u652f\u6301\u8fb9\u7f18\u8ba1\u7b97\uff1a<\/strong> \u539f\u751f\u7684\u6570\u5b57\u8109\u51b2\u5bc6\u5ea6\u8c03\u5236\uff08PDM\uff09\u6570\u636e\u6d41\u53ef\u5b9e\u73b0\u65e0\u7f1d\u8f6c\u6362\uff0c\u4ece\u800c\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u5c06\u9ad8\u7ea7\u7b97\u6cd5\u76f4\u63a5\u90e8\u7f72\u5728\u8fb9\u7f18\u5904\u7406\u5668\u4e0a\uff0c\u5305\u62ecMUSIC\u3001ESPRIT\u3001\u5b9a\u5411\u54cd\u5e94\u529f\u7387\uff08SRP\uff09\u4ee5\u53ca\u5377\u79ef\u5faa\u73af\u795e\u7ecf\u7f51\u7edc\uff08CRNN\uff09\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">4. \u5904\u7406\u6d41\u7a0b\uff1a\u4ece\u539f\u59cb\u97f3\u9891\u5230\u7a7a\u95f4\u8f68\u8ff9<\/h3><p class=\"wp-block-paragraph\">\u4e3a\u4e86\u4ece\u4f20\u5165\u7684\u4f4e\u7a7a\u58f0\u5b66\u76ee\u6807\u4e2d\u63d0\u53d6\u53ef\u64cd\u4f5c\u7684\u4f4d\u7f6e\u9065\u6d4b\u6570\u636e\uff0c\u8fb9\u7f18\u57fa\u7840\u8bbe\u65bd\u4f1a\u6267\u884c\u4e00\u4e2a\u7a33\u5065\u7684\u4fe1\u53f7\u5904\u7406\u6d41\u7a0b<sup><\/sup>:<\/p><pre class=\"wp-block-code\"><code>[\u540c\u6b65MEMS\u91c7\u6837] -&gt; [\u6570\u5b57PDM\u964d\u91c7\u6837\u4e0e\u6ee4\u6ce2] -&gt; [\u65f6\u5ef6\u4f30\u8ba1\uff08TDOA\uff09] -&gt; [\u7a7a\u95f4\u4e09\u89d2\u5b9a\u4f4d\/\u6ce2\u675f\u6210\u5f62] -&gt; [\u8f68\u8ff9\u8f93\u51fa]\n<\/code><\/pre><ol start=\"1\" class=\"wp-block-list\"><li><strong>\u5230\u8fbe\u65f6\u95f4\u5dee\uff08TDOA\uff09\uff1a<\/strong> \u540c\u6b65\u901a\u9053\u4e4b\u95f4\u7684\u4e92\u76f8\u5173\u53ef\u5f97\u51fa\u5fae\u79d2\u7ea7\u5ef6\u8fdf\u53c2\u6570\uff0c\u8fd9\u4e9b\u53c2\u6570\u5bf9\u4e8e\u540e\u7eed\u7684\u4e09\u89d2\u5b9a\u4f4d\u65b9\u7a0b\u81f3\u5173\u91cd\u8981\u3002.<\/li>\n\n<li><strong>\u6570\u636e\u5173\u8054\u4e0e\u591a\u6e90\u8ffd\u8e2a\uff1a<\/strong> \u5728\u5904\u7406\u5b58\u5728\u591a\u4e2a\u91cd\u53e0\u566a\u58f0\u6e90\u7684\u590d\u6742\u73af\u5883\u65f6\uff0c\u7ecf\u8fc7\u4f18\u5316\u7684\u7b97\u6cd5\uff08\u4f8b\u5982\u5168\u5c40\u6700\u8fd1\u90bb\u7b97\u6cd5 GNN-c\uff09\u53ef\u786e\u4fdd\u5b9a\u4f4d\u5411\u91cf\u4e0e\u76ee\u6807\u58f0\u6e90\u4e4b\u95f4\u5b9e\u73b0\u5b9e\u65f6\u3001\u4f4e\u5ef6\u8fdf\u7684\u5173\u8054\u3002<\/li>\n\n<li><strong>\u4f20\u611f\u5668\u878d\u5408\u4e0e\u6df1\u5ea6\u5b66\u4e60\uff1a<\/strong> \u901a\u8fc7\u5229\u7528\u77ed\u65f6\u5085\u91cc\u53f6\u53d8\u6362\uff08STFT\uff09\u5e76\u5728\u7279\u5b9a\u58f0\u5b66\u7279\u5f81\u4e0a\u8bad\u7ec3\u795e\u7ecf\u7f51\u7edc\uff0c\u7cfb\u7edf\u80fd\u591f\u540c\u65f6\u8bc6\u522b\u548c\u8ffd\u8e2a\u76ee\u6807\u3002\u5c06\u8fd9\u4e9b\u6570\u636e\u4e0e\u6fc0\u5149\u96f7\u8fbe\uff086\u81ea\u7531\u5ea6\uff09\u6216\u5149\u5b66\u6444\u50cf\u5934\u7b49\u8f85\u52a9\u6c11\u7528\u4f20\u611f\u5668\u76f8\u7ed3\u5408\uff0c\u53ef\u6784\u5efa\u4e00\u4e2a\u65e0\u61c8\u53ef\u51fb\u3001\u5168\u9762\u7684\u6001\u52bf\u611f\u77e5\u77e9\u9635\u3002<\/li><\/ol><h3 class=\"wp-block-heading\">\u7ed3\u8bba<\/h3><p class=\"wp-block-paragraph\">\u5229\u7528\u6570\u5b57MEMS\u9ea6\u514b\u98ce\u9635\u5217\u8fdb\u884c\u58f0\u5b66\u7279\u5f81\u5206\u6790\u4e0e\u58f0\u6e90\u5b9a\u4f4d\u7684\u6280\u672f\uff0c\u6b63\u4ece\u7406\u8bba\u7814\u7a76\u8f6c\u53d8\u4e3a\u6c11\u7528\u5de5\u4e1a\u9886\u57df\u7684\u91cd\u8981\u89e3\u51b3\u65b9\u6848<sup><\/sup>. \u901a\u8fc7\u9009\u7528\u9ad8\u6027\u80fd\u3001\u5b8c\u5168\u540c\u6b65\u7684\u591a\u901a\u9053\u786c\u4ef6\u5e73\u53f0\uff0c\u5de5\u7a0b\u5e08\u53ef\u4ee5\u89c4\u907f\u4f20\u611f\u5668\u4e0d\u5339\u914d\u548c\u4f4e\u9891\u566a\u58f0\u653e\u5927\u7b49\u4f20\u7edf\u95ee\u9898<sup><\/sup>.<\/p><p class=\"wp-block-paragraph\">\u5982\u9700\u4e86\u89e3\u6211\u4eec64\u901a\u9053\u77e9\u9635\u7684\u8be6\u7ec6\u6280\u672f\u89c4\u683c\uff0c\u5e76\u52a0\u5feb\u60a8\u7684\u8fb9\u7f18\u8ba1\u7b97\u90e8\u7f72\uff0c\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684\u5b98\u65b9\u4ea7\u54c1\u95e8\u6237\uff1a<\/p><p class=\"wp-block-paragraph\">\ud83d\udc49 <strong><a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/sistc.com\/zh\/product\/sv-ssl64-channel-mems-microphone-array-development-platform\/\">SISTC SV-SSL 64\u901a\u9053MEMS\u9ea6\u514b\u98ce\u9635\u5217\u5f00\u53d1\u5e73\u53f0<\/a><\/strong><\/p><h3 class=\"wp-block-heading\">\u6280\u672f\u4e0e\u5b66\u672f\u53c2\u8003\u6587\u732e<\/h3><p class=\"wp-block-paragraph\">\u4e3a\u652f\u6301\u9488\u5bf9\u7a7a\u95f4\u97f3\u9891\u6ce2\u675f\u6210\u5f62\u548c\u4f4e\u7a7a\u76d1\u6d4b\u6846\u67b6\u7684\u8fdb\u4e00\u6b65\u5de5\u7a0b\u7814\u7a76\uff0c\u5efa\u8bae\u67e5\u9605\u4ee5\u4e0b\u5b98\u65b9\u6807\u51c6\u548c\u6280\u672f\u6587\u732e\uff1a<\/p><ol start=\"1\" class=\"wp-block-list\"><li><strong><a href=\"https:\/\/signalprocessingsociety.org\/\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">\u7535\u6c14\u548c\u7535\u5b50\u5de5\u7a0b\u5e08\u5b66\u4f1a\u4fe1\u53f7\u5904\u7406\u534f\u4f1a<\/a><\/strong> \u2014 \u9886\u5148\u7684\u7814\u7a76\u4e2d\u5fc3\uff0c\u4e13\u6ce8\u4e8e\u5148\u8fdb\u9ea6\u514b\u98ce\u9635\u5217\u4fe1\u53f7\u5904\u7406\u3001\u5230\u8fbe\u65b9\u5411\uff08DOA\uff09\u4f30\u8ba1\u4ee5\u53ca\u58f0\u5b66\u8fb9\u7f18\u8ba1\u7b97\u65b9\u6cd5\u7684\u7814\u7a76\u3002 <\/li>\n\n<li><strong><a href=\"https:\/\/www.google.com\/search?q=https:\/\/asa.scitation.org\/journal\/jas\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">\u300a\u7f8e\u56fd\u58f0\u5b66\u5b66\u4f1a\u671f\u520a\u300b\uff08JASA\uff09<\/a><\/strong> \u2014 \u4e00\u4efd\u9876\u5c16\u7684\u5b66\u672f\u520a\u7269\uff0c\u520a\u8f7d\u4e86\u5173\u4e8e\u58f0\u5b66\u9886\u57df\u673a\u5668\u5b66\u4e60\u3001\u6df1\u5ea6\u5b66\u4e60\u58f0\u6e90\u5b9a\u4f4d\u4ee5\u53ca\u591a\u9891\u7a7a\u95f4\u9635\u5217\u7684\u6743\u5a01\u7814\u7a76\u6210\u679c\u3002 <\/li>\n\n<li><strong><a href=\"https:\/\/www.aes.org\/\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">\u97f3\u9891\u5de5\u7a0b\u5b66\u4f1a\uff08AES\uff09<\/a><\/strong> \u2014 \u8d1f\u8d23\u6570\u5b57\u97f3\u9891\u63a5\u53e3\u6807\u51c6\u5316\u3001\u7535\u58f0\u53c2\u6570\u53ca\u9ea6\u514b\u98ce\u9635\u5217\u6d4b\u91cf\u67b6\u6784\u7684\u56fd\u9645\u6743\u5a01\u673a\u6784\u3002<\/li><\/ol><p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction With the explosive growth of the low-altitude economy, unmanned urban logistics, and Urban Air Mobility (UAM), monitoring and tracking low-altitude flight targets has become a critical challenge for airspace [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"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":"","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 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