{"id":15937,"date":"2026-02-02T02:27:40","date_gmt":"2026-02-02T02:27:40","guid":{"rendered":"https:\/\/sistc.com\/?p=15937"},"modified":"2026-06-16T09:28:25","modified_gmt":"2026-06-16T09:28:25","slug":"explore-acoustic-cavity-design-mems-microphone-array","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/explore-acoustic-cavity-design-mems-microphone-array\/","title":{"rendered":"\u7528\u4e8e MEMS \u9ea6\u514b\u98ce\u9635\u5217\u7684\u58f0\u8154\u8bbe\u8ba1"},"content":{"rendered":"<h5 class=\"wp-block-heading\">\u58f0\u7aef\u53e3\u51e0\u4f55\u5f62\u72b6\u3001\u5bc6\u5c01\u3001\u632f\u52a8\u9694\u79bb\u548c\u6297\u5171\u632f\u6700\u4f73\u5b9e\u8df5<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4f5c\u8005\uff1a<\/strong> \u65e0\u9521\u7845\u6e90\u79d1\u6280\u6709\u9650\u516c\u53f8\uff08SISTC(\u65e0\u9521\u7845\u6e90\u79d1\u6280\u6709\u9650\u516c\u53f8\uff09<br><strong>\u7248\u672c\uff1a<\/strong> 1.0 \uff08\u516c\u5f00\u767d\u76ae\u4e66\uff09<br><strong>\u7c7b\u522b<\/strong> \u63a2\u7d22 \/ \u58f0\u5b66\u5de5\u7a0b \/ MEMS \u9ea6\u514b\u98ce\u9635\u5217\u8bbe\u8ba1<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6267\u884c\u6458\u8981<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u9ea6\u514b\u98ce\u9635\u5217\u4ea7\u54c1--\u667a\u80fd\u626c\u58f0\u5668\u3001\u4f1a\u8bae\u7cfb\u7edf\u3001\u6c7d\u8f66\u6444\u50cf\u5934\u3001\u667a\u80fd\u5bb6\u5c45\u63a7\u5236\u5668\u548c\u5de5\u4e1a\u8bed\u97f3\u7ec8\u7aef--\u65b9\u9762<strong>\u58f0\u8154\u8bbe\u8ba1<\/strong> \u662f\u6700\u5bb9\u6613\u88ab\u4f4e\u4f30\u7684\u5b9e\u9645\u6027\u80fd\u9a71\u52a8\u56e0\u7d20\u4e4b\u4e00\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5373\u4f7f MEMS \u9ea6\u514b\u98ce\u672c\u8eab\u7b26\u5408\u6570\u636e\u8868\u4e0a\u7684\u51fa\u8272\u89c4\u683c\uff08\u4fe1\u566a\u6bd4\u3001\u7075\u654f\u5ea6\u3001AOP\u3001\u76f8\u4f4d\u5339\u914d\uff09\uff0c\u6700\u7ec8\u4ea7\u54c1\u4ecd\u4f1a\u53d7\u5230\u5f71\u54cd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u968f\u673a\u632f\u94c3\/\u55e1\u55e1\u58f0\uff0c\u539f\u56e0\u662f <strong>\u7ed3\u6784\u632f\u52a8\u8026\u5408<\/strong><\/li>\n\n\n\n<li>\u9020\u6210\u7684\u610f\u5916\u9ad8\u9891\u5cf0\u503c <strong>\u4ea5\u59c6\u970d\u5179\u5171\u632f<\/strong><\/li>\n\n\n\n<li>\u7531\u4e8e <strong>\u6cc4\u6f0f\u548c\u5bc6\u5c01\u4e0d\u4e00\u81f4<\/strong><\/li>\n\n\n\n<li>\u5bfc\u81f4\u6ce2\u675f\u6210\u5f62\u4e0d\u7a33\u5b9a <strong>\u975e\u5747\u5300\u58f0\u9053<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u767d\u76ae\u4e66\u4e3a\u4ee5\u4e0b\u65b9\u9762\u63d0\u4f9b\u4e86\u5b9e\u7528\u7684\u7ed3\u6784\u8bbe\u8ba1\u89c4\u5219 <strong>\u58f0\u8154\u3001\u58f0\u7aef\u53e3\u3001\u5bc6\u5c01\u3001\u963b\u5c3c\u548c\u9635\u5217\u5e03\u5c40<\/strong>, \u5e2e\u52a9\u5de5\u7a0b\u56e2\u961f\u7f29\u77ed\u5f00\u53d1\u5468\u671f\uff0c\u907f\u514d\u4ee3\u4ef7\u9ad8\u6602\u7684\u91cd\u590d\u5f00\u53d1\u3002.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><em><mark style=\"background-color:rgba(0, 0, 0, 0);color:#8ed1fc\" class=\"has-inline-color\">15 \u5e74\u591a\u6765\uff0cSISTC \u4e00\u76f4\u4e13\u6ce8\u4e8e MEMS \u9ea6\u514b\u98ce\u7684\u8bbe\u8ba1\u548c\u5236\u9020\uff0c\u5728\u97f3\u9891\u62fe\u53d6\u6280\u672f\u3001\u964d\u566a\u7b97\u6cd5\u4ee5\u53ca\u58f0\u5b66\u7cfb\u7edf\u7684\u8f6f\u786c\u4ef6\u96c6\u6210\u65b9\u9762\u5177\u6709\u5f88\u5f3a\u7684\u5b9e\u529b\u3002. <\/mark><\/em><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">1.\u58f0\u8154\u8bbe\u8ba1\u4e3a\u4f55\u91cd\u8981<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u58f0\u8154\u4e0d\u4ec5\u4ec5\u662f\u7bb1\u4f53\u4e0a\u7684\u4e00\u4e2a \u201c\u5b54\u201d\u3002\u5b83\u5f62\u6210\u4e00\u4e2a <strong>\u53d7\u63a7\u58f0\u9053<\/strong> \u5916\u90e8\u58f0\u573a\u548c\u4f20\u58f0\u5668\u5165\u53e3\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u9635\u5217\u7cfb\u7edf\u4e2d\uff0c\u58f0\u8154\u5fc5\u987b\u540c\u65f6\u5b9e\u73b0\u4e24\u4e2a\u76ee\u6807\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6700\u5927\u76f4\u63a5\u62fe\u53d6\u91cf<\/strong> \u5931\u771f\u6216\u9891\u7387\u8272\u5dee\u6700\u5c0f<\/li>\n\n\n\n<li><strong>\u4e0d\u540c\u9ea6\u514b\u98ce\u7684\u4e00\u81f4\u6027<\/strong>, \u5b9e\u73b0\u7a33\u5b9a\u7684\u6ce2\u675f\u6210\u5f62\u548c\u7cbe\u786e\u7684\u76f8\u4f4d\u5bf9\u51c6<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u9645\u4e0a\uff0c\u4e0d\u826f\u7684\u8154\u4f53\u8bbe\u8ba1\u5f80\u5f80\u6bd4\u4f20\u58f0\u5668\u672c\u8eab\u9020\u6210\u66f4\u5927\u7684\u6027\u80fd\u635f\u5931\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.MEMS \u9ea6\u514b\u98ce\u9009\u62e9\u8981\u6c42\uff08\u9635\u5217\u5e94\u7528\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5f00\u59cb\u7ed3\u6784\u8bbe\u8ba1\u4e4b\u524d\uff0c\u4f20\u58f0\u5668\u6a21\u578b\u5fc5\u987b\u7b26\u5408\u9635\u5217\u8981\u6c42\u3002SISTC \u5efa\u8bae\u9635\u5217\u4ea7\u54c1\u91c7\u7528\u4ee5\u4e0b\u57fa\u51c6\u89c4\u683c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u654f\u611f\u6027\uff1a <strong>&gt; -40 dBV @ 94 dB SPL\uff0c1 kHz<\/strong><\/li>\n\n\n\n<li>\u4fe1\u566a\u6bd4\uff1a <strong>\u2265 65 dB<\/strong><\/li>\n\n\n\n<li>AOP\uff1a <strong>\u2265 120 dB SPL<\/strong><\/li>\n\n\n\n<li>THD\uff1a <strong>\u2264 1% @ 1 kHz<\/strong><\/li>\n\n\n\n<li>\u76f8\u4f4d\u4e00\u81f4\u6027\uff1a <strong>&lt; 3\u00b0<\/strong><\/li>\n\n\n\n<li>\u5168\u5411\u62fe\u97f3\u6a21\u5f0f<\/li>\n\n\n\n<li>\u9891\u7387\u54cd\u5e94\u53d8\u5316\uff1a <strong>&lt; 2 dB\uff08100 Hz-8 kHz\uff09<\/strong> <\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3.\u58f0\u53e3\u548c\u58f0\u8154\u51e0\u4f55\u5f62\u72b6\uff08\u6838\u5fc3\u89c4\u5219\uff09<\/h2>\n\n\n\n<h5 class=\"wp-block-heading\">3.1 \u957f\u5f84\u6bd4\u89c4\u5219\uff1a\u6700\u5b9e\u7528\u7684\u8bbe\u8ba1\u6307\u6807<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">\u58f0\u7aef\u53e3\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u77ed\u7684\u58f0\u7ba1\u3002\u5176\u51e0\u4f55\u5f62\u72b6\u7531\u4ee5\u4e0b\u56e0\u7d20\u51b3\u5b9a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L<\/strong> = \u97f3\u53e3\u6df1\u5ea6\uff08\u6216\u97f3\u8154\u957f\u5ea6\uff09<\/li>\n\n\n\n<li><strong>D<\/strong> = \u97f3\u5b54\u5f00\u53e3\u76f4\u5f84<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SISTC \u5efa\u8bae\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>D &gt; 1.0 \u6beb\u7c73<\/strong><\/li>\n\n\n\n<li><strong>\u957f &lt; 5.0 \u6beb\u7c73<\/strong><\/li>\n\n\n\n<li><strong>\u957f\u5f84\u6bd4 &lt; 3<\/strong> (\u5173\u952e\u51c6\u5219)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u610f\u5473\u7740<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4fdd\u6301\u7aef\u53e3\u4e3a <strong>\u5c3d\u53ef\u80fd\u5bbd<\/strong><\/li>\n\n\n\n<li>\u4fdd\u6301\u8154\u4f53\u4e3a <strong>\u5c3d\u53ef\u80fd\u6d45<\/strong> <\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e3a\u4ec0\u4e48\u6709\u6548<\/strong><br>\u8f83\u5c0f\u7684 L \u548c\u8f83\u5927\u7684 D \u53ef\u964d\u4f4e\u58f0\u963b\u6297\uff0c\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u8c10\u632f\u884c\u4e3a\uff0c\u4ece\u800c\u83b7\u5f97\u66f4\u5e73\u6ed1\u7684\u9891\u7387\u54cd\u5e94\u548c\u66f4\u9ad8\u7684\u7075\u654f\u5ea6\u7a33\u5b9a\u6027\u3002.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">3.2 PCB \u97f3\u5b54\u5c3a\u5bf8\uff08\u5e95\u7aef\u53e3 MEMS\uff09<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u5e95\u90e8\u7aef\u53e3\u7684\u9ea6\u514b\u98ce\u7ed3\u6784\uff0cPCB \u5b54\u5fc5\u987b\u4e0e\u9ea6\u514b\u98ce\u5bc6\u5c01\u73af\u7684\u9650\u5236\u76f8\u5339\u914d\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76ee\u524d\u5e38\u89c1\u7684\u5bc6\u5c01\u73af\u5185\u5f84\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>0.6 \u6beb\u7c73<\/strong><\/li>\n\n\n\n<li><strong>1.0 \u6beb\u7c73<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8003\u8651\u5230\u5236\u9020\u516c\u5dee\uff0c\u5efa\u8bae\u91c7\u7528 PCB \u5b54\u5f84\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7528\u4e8e 0.6 mm \u73af\u5f62 \u2192 PCB \u5b54 <strong>0.4 \u6beb\u7c73<\/strong><\/li>\n\n\n\n<li>\u7528\u4e8e 1.0 mm \u73af\u5f62 \u2192 PCB \u5b54 <strong>0.8 \u6beb\u7c73<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53 PCB \u539a\u5ea6\u8d85\u8fc7 <strong>1.0 \u6beb\u7c73<\/strong>, \uff0c\u4f18\u5148\u4f7f\u7528\u5177\u6709\u4ee5\u4e0b\u529f\u80fd\u7684\u9ea6\u514b\u98ce <strong>1.0 \u6beb\u7c73\u5bc6\u5c01\u73af<\/strong> \u4ee5\u63d0\u9ad8\u53ef\u5236\u9020\u6027\u548c\u5bc6\u5c01\u53ef\u9760\u6027\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"651\" height=\"291\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/02\/TOP-MEMS-MIC-1.png\" alt=\"\" class=\"wp-image-15939\" style=\"aspect-ratio:2.2338129496402876;width:603px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/02\/TOP-MEMS-MIC-1.png 651w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/02\/TOP-MEMS-MIC-1-300x134.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/02\/TOP-MEMS-MIC-1-18x8.png 18w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/02\/TOP-MEMS-MIC-1-600x268.png 600w\" sizes=\"(max-width: 651px) 100vw, 651px\" \/><figcaption class=\"wp-element-caption\">\u9876\u90e8 MEMS \u9ea6\u514b\u98ce<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"685\" height=\"298\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/02\/BOTTOM-MEMS-MIC.png\" alt=\"\" class=\"wp-image-15940\" style=\"width:599px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/02\/BOTTOM-MEMS-MIC.png 685w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/02\/BOTTOM-MEMS-MIC-300x131.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/02\/BOTTOM-MEMS-MIC-18x8.png 18w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/02\/BOTTOM-MEMS-MIC-600x261.png 600w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/><figcaption class=\"wp-element-caption\">\u5e95\u90e8 mems \u9ea6\u514b\u98ce<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4.\u907f\u514d\u8d6b\u5c14\u59c6\u970d\u5179\u5171\u632f\uff08\u6700\u5e38\u89c1\u7684\u6839\u6e90\uff09<\/h2>\n\n\n\n<h5 class=\"wp-block-heading\">4.1 \u4ec0\u4e48\u662f\u4ea5\u59c6\u970d\u5179\u5171\u632f\uff1f<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u7a7a\u8154\u5bb9\u79ef\u901a\u8fc7\u72ed\u7a84\u7684\u74f6\u9888\u4e0e\u5916\u90e8\u76f8\u8fde\u65f6\uff0c\u5c31\u4f1a\u5f62\u6210\u4ea5\u59c6\u970d\u5179\u8c10\u632f\u5668\uff0c\u8fd9\u5c31\u597d\u6bd4\u5728\u74f6\u53e3\u5439\u6c14\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u9ea6\u514b\u98ce\u4ea7\u54c1\u4e2d\uff0c\u901a\u5e38\u4f1a\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7aef\u53e3\u592a\u7a84\/\u592a\u957f<\/li>\n\n\n\n<li>\u9ea6\u514b\u98ce\u8fdb\u6c14\u53e3\u540e\u9762\u7684\u7a7a\u8154\u8fc7\u5927<\/li>\n\n\n\n<li>\u5bc6\u5c01\u4e0d\u4e00\u81f4\uff0c\u4f1a\u4ea7\u751f\u610f\u60f3\u4e0d\u5230\u7684\u4f53\u79ef<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">4.2 \u4e3a\u4f55\u5371\u9669<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ea5\u59c6\u970d\u5179\u5171\u632f\u7ecf\u5e38\u4f1a\u4ea7\u751f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9ad8\u9891\u5c16\u5cf0<\/strong><\/li>\n\n\n\n<li><strong>\u9891\u7387\u54cd\u5e94\u7eb9\u6ce2<\/strong><\/li>\n\n\n\n<li>\u4e0d\u540c\u6837\u672c\u7684\u58f0\u5b66\u6027\u80fd\u4e0d\u7a33\u5b9a<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SISTC \u660e\u786e\u5efa\u8bae<br><strong>\u907f\u514d\u4ea7\u751f\u8d6b\u5c14\u59c6\u970d\u5179\u8c10\u632f\u5668\u7ed3\u6784<\/strong>, \uff0c\u65e2\u9002\u7528\u4e8e\u9876\u90e8\u7aef\u53e3\u8bbe\u8ba1\uff0c\u4e5f\u9002\u7528\u4e8e\u5e95\u90e8\u7aef\u53e3\u8bbe\u8ba1\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u907f\u514d\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\u7684\u5de5\u7a0b\u68c0\u67e5\u8868\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9075\u5faa <strong>\u957f\u5f84\u6bd4 &lt; 3<\/strong><\/li>\n\n\n\n<li>\u907f\u5f00\u72ed\u7a84\u7684\u901a\u9053<\/li>\n\n\n\n<li>\u6d88\u9664\u8fdb\u6c14\u53e3\u9644\u8fd1\u4e0d\u5fc5\u8981\u7684\u5185\u90e8\u7a7a\u9699<\/li>\n\n\n\n<li>\u786e\u4fdd\u4e00\u81f4\u7684\u5bc6\u5c01\u6027\uff0c\u4f7f\u7a7a\u8154\u5bb9\u79ef\u4e0d\u4f1a\u56e0\u88c5\u914d\u800c\u53d8\u5316<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5.\u5bc6\u5c01\u3001\u57ab\u5708\u548c\u6cc4\u6f0f\u63a7\u5236<\/h2>\n\n\n\n<h5 class=\"wp-block-heading\">5.1 \u6570\u7ec4\u5fc5\u987b\u4fdd\u6301\u4e00\u81f4<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u9635\u5217\u4ea7\u54c1\uff0c\u6bcf\u4e2a\u9ea6\u514b\u98ce\u90fd\u5fc5\u987b\u7ecf\u5386 <strong>\u76f8\u540c\u7684\u58f0\u5b66\u73af\u5883<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SISTC \u5efa\u8bae\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6bcf\u4e2a\u9ea6\u514b\u98ce\u5916\u58f3\u5fc5\u987b <strong>\u8bbe\u8ba1\u548c\u5b89\u88c5\u5b8c\u5168\u76f8\u540c<\/strong><\/li>\n\n\n\n<li>\u4e4b\u95f4\u4f7f\u7528\u7845\u80f6\u3001\u57ab\u5708\u6216\u6ce1\u6cab\u5bc6\u5c01\uff1a\n<ul class=\"wp-block-list\">\n<li>\u9762\u677f\u548c PCB<\/li>\n\n\n\n<li>\u7845\u80f6\u9ea6\u514b\u98ce\u548c\u7ed3\u6784 <\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">5.2 \u5b9e\u7528\u5bc6\u5c01\u539f\u5219<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u786e\u4fdd\u5728\u58f0\u5b54\u5904\u76f4\u63a5\u62fe\u53d6\u4eba\u58f0\u5e76\u5e73\u5747\u5206\u914d\u5230\u6bcf\u4e2a\u9ea6\u514b\u98ce<\/li>\n\n\n\n<li>\u9632\u6b62\u97f3\u5b54\u88ab\u5835\u585e<\/li>\n\n\n\n<li>\u4f7f\u7528\u5728\u6e29\u5ea6\u548c\u8001\u5316\u6761\u4ef6\u4e0b\u4fdd\u6301\u7a33\u5b9a\u7684\u5bc6\u5c01\u6750\u6599<\/li>\n\n\n\n<li>\u6839\u636e\u5236\u9020\u516c\u5dee\u8fdb\u884c\u8bbe\u8ba1\uff08\u907f\u514d\u8fb9\u754c\u5c3a\u5bf8\uff09<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">6.\u632f\u52a8\u9694\u79bb\u548c\u673a\u68b0\u566a\u97f3\u6291\u5236<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5b9e\u9645\u4ea7\u54c1\u4e2d\uff0c\u968f\u673a\u94c3\u58f0\/\u55e1\u55e1\u58f0\u901a\u5e38\u6765\u81ea\u4e8e <strong>\u673a\u68b0\u8026\u5408<\/strong>, \u800c\u4e0d\u662f\u6765\u81ea MEMS \u9ea6\u514b\u98ce\u3002.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">6.1 \u9694\u79bb\u5efa\u8bae<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ea6\u514b\u98ce\u5e94\u4e0e\u56fa\u4ef6\/\u7ed3\u6784\u8868\u9762\u9694\u79bb\uff0c\u4f7f\u7528 <strong>\u7845\u80f6\u5957<\/strong><\/li>\n\n\n\n<li>\u907f\u514d\u9ea6\u514b\u98ce\u4e0e\u5916\u58f3\u786c\u63a5\u89e6<\/li>\n\n\n\n<li>\u9ea6\u514b\u98ce\u5468\u56f4\u7684\u7845\u80f6\u539a\u5ea6\u5e94\u4e3a <strong>&gt; 3 \u6beb\u7c73<\/strong> <\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">6.2 \u5b9a\u4f4d\u6307\u5357<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8ba9\u9ea6\u514b\u98ce\u8fdc\u79bb\u632f\u52a8\u6216\u5e72\u6270\u6e90<\/li>\n\n\n\n<li>\u4e0e\u56fa\u4f53\u8868\u9762\u9694\u79bb\uff0c\u51cf\u5c11\u632f\u52a8\u4f20\u64ad\uff0c\u63d0\u9ad8\u5bc6\u5c01\u6027 <\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">7.\u9632\u5c18\u7f51\/\u9632\u5c18\u7f69\u8bbe\u8ba1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9002\u7528\u4e8e\u9ea6\u514b\u98ce\u62fe\u97f3\u5b54\u671d\u4e0a\u7684\u4ea7\u54c1\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u589e\u8bbe <strong>\u9632\u5c18\u7f69<\/strong> \u9632\u6b62\u7070\u5c18\u957f\u671f\u79ef\u805a<\/li>\n\n\n\n<li>\u9009\u62e9\u8fc7\u6ee4\u5668\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5e73\u5766\u9891\u7387\u54cd\u5e94<\/li>\n\n\n\n<li>\u4f20\u8f93\u635f\u8017\u6700\u5c0f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u63d0\u793a\uff1a\u5728\u6279\u91cf\u751f\u4ea7\u4e2d\uff0c\u9632\u5c18\u7f69\u7684\u9009\u62e9\u5e94\u5305\u62ec\u5728\u6e29\u5ea6\u548c\u6e7f\u5ea6\u6761\u4ef6\u4e0b\u7684\u58f0\u5b66\u9a8c\u8bc1\u3002.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">8.\u9ea6\u514b\u98ce\u9635\u5217\u5e03\u5c40\u5efa\u8bae<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u58f0\u8154\u8bbe\u8ba1\u5fc5\u987b\u4e0e\u9635\u5217\u51e0\u4f55\u5f62\u72b6\u914d\u5408\u4f7f\u7528\u3002.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">8.1 \u7ebf\u8def\u9635\u5217<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6240\u6709\u9ea6\u514b\u98ce\u671d\u5411\u540c\u4e00\u65b9\u5411<\/li>\n\n\n\n<li>\u6240\u6709\u8fdb\u6c14\u53e3\u90fd\u5728\u4e00\u6761\u76f4\u7ebf\u4e0a<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5efa\u8bae\u95f4\u8ddd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2-4 \u8bdd\u7b52\u7ebf\u9635\u5217 <strong>30-60 \u6beb\u7c73<\/strong><\/li>\n\n\n\n<li>5-6 \u4e2a\u9ea6\u514b\u98ce\u7ebf\u9635\u5217\uff1a <strong>21.3-50 \u6beb\u7c73<\/strong><\/li>\n\n\n\n<li>\u6700\u4f73\u505a\u6cd5\uff1a <strong>30-40 \u6beb\u7c73<\/strong><\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">8.2 \u5706\u5f62\u9635\u5217<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a8\u8350\u534a\u5f84<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>30-40 \u6beb\u7c73<\/strong> <\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">9.\u626c\u58f0\u5668\u4e92\u52a8\uff08\u5982\u679c\u4ea7\u54c1\u5305\u62ec\u626c\u58f0\u5668\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u626c\u58f0\u5668\u548c\u9ea6\u514b\u98ce\u5171\u5b58\u65f6\uff0c\u58f0\u8154\u8bbe\u8ba1\u5fc5\u987b\u9632\u6b62\u626c\u58f0\u5668\u7684\u80fd\u91cf\u8026\u5408\u5230\u9ea6\u514b\u98ce\u4e2d\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SISTC \u5efa\u8bae\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728 MIC \u548c SPK \u4e4b\u95f4\u5b89\u88c5\u5185\u90e8\u9694\u97f3\u88c5\u7f6e<\/li>\n\n\n\n<li>MIC \u62fe\u53d6\u53e3\u4e0e SPK \u51fa\u53e3\u4e4b\u95f4\u7684\u8ddd\u79bb\uff1a <strong>\u2265 100 \u6beb\u7c73<\/strong><\/li>\n\n\n\n<li>\u786e\u4fdd MIC \u548c SPK \u7aef\u53e3\u5904\u4e8e\u7406\u60f3\u72b6\u6001 <strong>90\u00b0<\/strong> (\u672a\u5bf9\u9f50)<\/li>\n\n\n\n<li>\u5c06\u626c\u58f0\u5668\u5230\u9ea6\u514b\u98ce\u7684\u58f0\u538b\u7ea7\u4fdd\u6301\u5728 <strong>90 \u5206\u8d1d<\/strong> \u5728 MIC \u4f4d\u7f6e<\/li>\n\n\n\n<li>MIC \u7684\u8bed\u97f3\u5230\u626c\u58f0\u5668\u4fe1\u566a\u6bd4\u4e0d\u5e94\u5c0f\u4e8e <strong>-25 dB<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">10.SISTC \u5982\u4f55\u652f\u6301\u5ba2\u6237\u7684\u9694\u97f3\u8154\u8bbe\u8ba1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u7ed3\u6784\u8bbe\u8ba1\u9636\u6bb5\uff0cSISTC \u5efa\u8bae\u5ba2\u6237\u5171\u4eab\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ea6\u514b\u98ce\u6570\u636e\u8868<\/li>\n\n\n\n<li>\u653e\u5927\u5668\/\u7f16\u89e3\u7801\u5668\/\u626c\u58f0\u5668\u6570\u636e\u8868<\/li>\n\n\n\n<li>\u7ed3\u6784\u56fe<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u7684\u5de5\u7a0b\u56e2\u961f\u53ef\u4ee5\u63d0\u4f9b\u4ee5\u4e0b\u5e2e\u52a9<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u58f0\u8154\u548c\u58f0\u53e3\u5ba1\u67e5<\/li>\n\n\n\n<li>\u5bc6\u5c01\u548c\u516c\u5dee\u8bc4\u4f30<\/li>\n\n\n\n<li>\u9635\u5217\u51e0\u4f55\u9a8c\u8bc1<\/li>\n\n\n\n<li>\u5171\u632f\u548c\u632f\u52a8\u566a\u58f0\u98ce\u9669\u5206\u6790<\/li>\n\n\n\n<li>\u539f\u578b\u8c03\u8bd5\u548c\u58f0\u5b66\u6d4b\u8bd5\u6307\u5bfc <\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bba<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6210\u529f\u7684\u9ea6\u514b\u98ce\u9635\u5217\u4ea7\u54c1\u53d6\u51b3\u4e8e <strong>\u7cfb\u7edf\u7ea7\u58f0\u5b66\u5de5\u7a0b<\/strong>, \u4e0d\u4ec5\u662f\u9ea6\u514b\u98ce\u7684\u9009\u62e9\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9075\u5faa\u5173\u952e\u7684\u8bbe\u8ba1\u89c4\u5219\uff0c\u4f8b\u5982<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u957f\u5f84\u6bd4 &lt; 3<\/strong><\/li>\n\n\n\n<li><strong>\u907f\u514d\u4f7f\u7528\u4ea5\u59c6\u970d\u5179\u8c10\u632f\u5668<\/strong><\/li>\n\n\n\n<li><strong>\u4e25\u683c\u7684\u5bc6\u5c01\u5747\u5300\u6027<\/strong><\/li>\n\n\n\n<li><strong>\u7845\u80f6\u9694\u79bb &gt; 3 \u6beb\u7c73<\/strong><\/li>\n\n\n\n<li>\u9002\u5f53\u7684\u7070\u5c18\u8fc7\u6ee4\u548c\u9635\u5217\u95f4\u8ddd<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5de5\u7a0b\u56e2\u961f\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5524\u9192\u8bcd\u7a33\u5b9a\u6027<\/li>\n\n\n\n<li>\u6ce2\u675f\u6210\u5f62\u7a33\u5b9a\u6027<\/li>\n\n\n\n<li>\u9891\u7387\u54cd\u5e94\u4e00\u81f4\u6027<\/li>\n\n\n\n<li>\u6279\u91cf\u751f\u4ea7<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u884c\u52a8\u547c\u5401<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u60a8\u6b63\u5728\u8bbe\u8ba1\u4f20\u58f0\u5668\u9635\u5217\u4ea7\u54c1\uff0c\u5e76\u5e0c\u671b SISTC \u5bf9\u60a8\u7684 <strong>\u58f0\u8154\u548c\u58f0\u53e3\u7ed3\u6784<\/strong>, \u8bf7\u8054\u7cfb\u6211\u4eec\u7684\u56e2\u961f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7f51\u7ad9\uff1a <mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\"><a href=\"https:\/\/sistc.com\/zh\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.sistc.com<\/a><\/mark><\/li>\n\n\n\n<li>\u4ea7\u54c1\u9875\u9762\uff08\u5185\u90e8\u94fe\u63a5\uff09\uff1a<a href=\"https:\/\/sistc.com\/zh\/product\/smart-mems-microphone\/\"> <strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">\u667a\u80fd MEMS \u9ea6\u514b\u98ce<\/mark><\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">\u53e6\u89c1 <\/h1>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7ef4\u57fa\u767e\u79d1 - \u8d6b\u5c14\u59c6\u970d\u5179\u5171\u632f<br><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helmholtz_resonance\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/en.wikipedia.org\/wiki\/Helmholtz_resonance<\/a><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Sound Port Geometry, Sealing, Vibration Isolation &amp; Anti-Resonance Best Practices Author: Wuxi Silicon Source Technology Co., Ltd. (SISTC)Version: 1.0 (Public White Paper)Category: Explore \/ Acoustic Engineering \/ MEMS Microphone Array [&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-15937","post","type-post","status-publish","format-standard","hentry","category-technical-blog"],"_links":{"self":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15937","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=15937"}],"version-history":[{"count":1,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15937\/revisions"}],"predecessor-version":[{"id":16486,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15937\/revisions\/16486"}],"wp:attachment":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/media?parent=15937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/categories?post=15937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/tags?post=15937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}