{"id":15302,"date":"2025-06-06T13:07:08","date_gmt":"2025-06-06T13:07:08","guid":{"rendered":"https:\/\/sistc.com\/?p=15302"},"modified":"2025-06-06T13:07:12","modified_gmt":"2025-06-06T13:07:12","slug":"mems-microphone-array-geometry","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/mems-microphone-array-geometry\/","title":{"rendered":"\u589e\u5f3a\u58f0\u97f3\u5b9a\u4f4d\uff1aMEMS \u9ea6\u514b\u98ce\u9635\u5217\u51e0\u4f55\u5f62\u72b6\u7684\u6bd4\u8f83\u5206\u6790"},"content":{"rendered":"<h3 class=\"wp-block-heading\"><strong>\u5bfc\u8a00<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4e0d\u65ad\u53d1\u5c55\u7684\u97f3\u9891\u6280\u672f\u9886\u57df\uff0c\u9ea6\u514b\u98ce\u9635\u5217\u7684\u914d\u7f6e\u5bf9\u58f0\u97f3\u5b9a\u4f4d\u7cfb\u7edf\u7684\u6027\u80fd\u6709\u91cd\u5927\u5f71\u54cd\u3002\u5fae\u578b\u673a\u7535\u7cfb\u7edf\uff08MEMS\uff09\u9ea6\u514b\u98ce\u4ee5\u4f53\u79ef\u5c0f\u3001\u529f\u8017\u4f4e\u8457\u79f0\uff0c\u5df2\u6210\u4e3a\u8bbe\u8ba1\u9ad8\u6548\u3001\u7cbe\u786e\u58f0\u97f3\u5b9a\u4f4d\u89e3\u51b3\u65b9\u6848\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u9635\u5217\u51e0\u4f55\u5f62\u72b6\u7684\u6bd4\u8f83\u5206\u6790<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7814\u7a76\u91cd\u70b9\u662f\u8bc4\u4f30\u5404\u79cd\u5168\u5411 MEMS \u9ea6\u514b\u98ce\u9635\u5217\u51e0\u4f55\u5f62\u72b6\uff0c\u5305\u62ec<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5747\u5300\u7ebf\u6027\u9635\u5217\uff08ULA\uff09\uff1a<\/strong> \u64cd\u4f5c\u7b80\u5355\uff0c\u5bf9\u7ebf\u6027\u58f0\u6e90\u68c0\u6d4b\u975e\u5e38\u6709\u6548\u3002<a href=\"https:\/\/forum.pjrc.com\/index.php?threads%2Fsampling-8-microphones-simultaneously-for-audio-beamforming.73260%2F=&amp;utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">forum.pjrc.com+1en.wikipedia.org+1<\/a><\/li>\n\n\n\n<li><strong>\u5747\u5300\u5e73\u9762\u9635\u5217\uff08UPA\uff09\uff1a<\/strong> \u63d0\u4f9b\u4e8c\u7ef4\u7a7a\u95f4\u5206\u8fa8\u7387\uff0c\u9002\u7528\u4e8e\u9700\u8981\u68c0\u6d4b\u4ef0\u89d2\u548c\u65b9\u4f4d\u89d2\u7684\u5e94\u7528\u3002<\/li>\n\n\n\n<li><strong>\u5747\u5300\u5706\u5f62\u9635\u5217 (UCA)\uff1a<\/strong> \u786e\u4fdd 360 \u5ea6\u8986\u76d6\uff0c\u975e\u5e38\u9002\u5408\u58f0\u6e90\u6765\u81ea\u591a\u4e2a\u65b9\u5411\u7684\u73af\u5883\u3002<\/li>\n\n\n\n<li><strong>\u5747\u5300\u540c\u5fc3\u9635\u5217 (UCoA)\uff1a<\/strong> \u7ed3\u5408\u591a\u4e2a\u5706\u5f62\u9635\u5217\uff0c\u63d0\u9ad8\u7a7a\u95f4\u5206\u8fa8\u7387\u548c\u6307\u5411\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u9a8c\u9a8c\u8bc1\u4f7f\u7528\u4e86\u5728 Raspberry Pi 5 \u5e73\u53f0\u4e0a\u6784\u5efa\u7684\u539f\u578b\u8bbe\u5907\uff0c\u8be5\u8bbe\u5907\u914d\u5907\u4e86 Adafruit PCA9548 8 \u901a\u9053 STEMMA QT \u6269\u5c55\u677f\u548c SPH0645LM4H-B \u5168\u5411 MEMS \u9ea6\u514b\u98ce\uff0c\u8bc1\u660e\u7c7b\u4f3c\u7684\u51e0\u4f55\u914d\u7f6e\u53ef\u6709\u6548\u7528\u4e8e\u4f4e\u9891\u58f0\u97f3\u5b9a\u4f4d\u4efb\u52a1\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0cn = 8 \u548c d = 23 \u5398\u7c73\u7684 URA \u9ea6\u514b\u98ce\u9635\u5217\u8868\u73b0\u51fa\u6700\u4f73\u6027\u80fd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6ce2\u675f\u6210\u5f62\u7b97\u6cd5\u548c\u6027\u80fd\u8bc4\u4f30<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7814\u7a76\u8fd8\u6df1\u5165\u63a2\u8ba8\u4e86\u6ce2\u675f\u6210\u5f62\u7b97\u6cd5\uff0c\u7279\u522b\u662f\u5ef6\u8fdf\u548c\u3001\u5dee\u5206\u548c\u8d85\u5bfc\u65b9\u6cd5\u3002\u5dee\u5206\u6ce2\u675f\u6210\u5f62\u7b97\u6cd5\u5728\u5177\u6709\u6311\u6218\u6027\u7684\u58f0\u5b66\u73af\u5883\u4e2d\u9694\u79bb\u76ee\u6807\u4fe1\u53f7\u65b9\u9762\u8868\u73b0\u51fa\u8272\u3002\u5f53\u4e0e\u5747\u5300\u5706\u5f62\u9635\u5217\uff08UCA\uff09\u76f8\u7ed3\u5408\u65f6\uff0c\u5ef6\u8fdf\u548c\u7b97\u6cd5\u6216\u589e\u5f3a\u578b\u5ef6\u8fdf\u548c\u7b97\u6cd5\u53ef\u63d0\u4f9b\u53ef\u9760\u7684\u5168\u5411\u8986\u76d6\u548c\u5747\u8861\u7684\u9891\u7387\u54cd\u5e94\uff0c\u4f7f\u5176\u9002\u7528\u4e8e\u9700\u8981\u5747\u5300\u7075\u654f\u5ea6\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ea6\u514b\u98ce\u9635\u5217\u95f4\u8ddd\u548c\u534a\u5f84\u7684\u4f18\u5316\u8fdb\u4e00\u6b65\u589e\u5f3a\u4e86\u6307\u5411\u6027\uff0c\u5e76\u6700\u5927\u9650\u5ea6\u5730\u964d\u4f4e\u4e86\u8fb9\u97f3\u6c34\u5e73\uff0c\u8fd9\u5bf9\u51c6\u786e\u5b9a\u4f4d\u58f0\u97f3\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5e94\u7528\u548c\u672a\u6765\u5de5\u4f5c<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u6bd4\u8f83\u5206\u6790\u6240\u5f97\u51fa\u7684\u89c1\u89e3\u6709\u52a9\u4e8e\u8bbe\u8ba1\u5404\u79cd\u5e94\u7528\u4e2d\u7684 MEMS \u9ea6\u514b\u98ce\u9635\u5217\uff0c\u5305\u62ec<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\uff1a<\/strong> \u589e\u5f3a\u8bed\u97f3\u547d\u4ee4\u8bc6\u522b\u548c\u7a7a\u95f4\u97f3\u9891\u6355\u6349\u3002<\/li>\n\n\n\n<li><strong>\u673a\u5668\u4eba<\/strong> \u901a\u8fc7\u7cbe\u786e\u58f0\u6e90\u5b9a\u4f4d\u63d0\u9ad8\u73af\u5883\u610f\u8bc6\u3002<\/li>\n\n\n\n<li><strong>\u5de5\u4e1a\u76d1\u6d4b\uff1a<\/strong> \u901a\u8fc7\u58f0\u5b66\u4fe1\u53f7\u68c0\u6d4b\u548c\u5b9a\u4f4d\u8bbe\u5907\u5f02\u5e38\u6216\u6cc4\u6f0f\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u540e\u7684\u5de5\u4f5c\u91cd\u70b9\u662f\u5229\u7528\u964d\u4f4e\u4fa7\u53f6\u6c34\u5e73\uff08SLL\uff09\u7684\u65b9\u6cd5\u6539\u8fdb\u9635\u5217\u8bbe\u8ba1\uff0c\u4ece\u800c\u5728\u66f4\u5bbd\u7684\u9891\u7387\u8303\u56f4\u5185\u63d0\u9ad8\u5b9a\u4f4d\u7cbe\u5ea6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>SISTC \u81f4\u529b\u4e8e\u63d0\u4f9b\u5148\u8fdb\u7684\u97f3\u9891\u89e3\u51b3\u65b9\u6848<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 SISTC\uff0c\u6211\u4eec\u81f4\u529b\u4e8e\u901a\u8fc7\u521b\u65b0\u7684 MEMS \u9ea6\u514b\u98ce\u89e3\u51b3\u65b9\u6848\u63a8\u52a8\u97f3\u9891\u6280\u672f\u7684\u53d1\u5c55\u3002\u6211\u4eec\u7684\u4ea7\u54c1\u7ebf\u53cd\u6620\u4e86\u8bbe\u8ba1\u548c\u5236\u9020\u65b9\u9762\u7684\u6700\u65b0\u8fdb\u5c55\uff0c\u786e\u4fdd\u5ba2\u6237\u83b7\u5f97\u7b26\u5408\u6700\u9ad8\u6027\u80fd\u548c\u6548\u7387\u6807\u51c6\u7684\u7ec4\u4ef6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e86\u89e3\u6211\u4eec\u7684 MEMS \u9ea6\u514b\u98ce\u7cfb\u5217 <a class=\"\" href=\"https:\/\/sistc.com\/zh\/product-category\/mems-microphone\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\u4ea7\u54c1\u9875\u9762<\/mark><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction In the evolving landscape of audio technology, the configuration of microphone arrays significantly influences the performance of sound localization systems. Micro-Electro-Mechanical Systems (MEMS) microphones, known for their compact size [&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":[1],"tags":[],"class_list":["post-15302","post","type-post","status-publish","format-standard","hentry","category-company-news"],"_links":{"self":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15302","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=15302"}],"version-history":[{"count":0,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15302\/revisions"}],"wp:attachment":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/media?parent=15302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/categories?post=15302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/tags?post=15302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}