{"id":15552,"date":"2025-10-15T11:46:04","date_gmt":"2025-10-15T11:46:04","guid":{"rendered":"https:\/\/sistc.com\/?p=15552"},"modified":"2025-10-15T12:07:53","modified_gmt":"2025-10-15T12:07:53","slug":"blog-smart-mems-microphone-array-pedestrian-detection","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/blog-smart-mems-microphone-array-pedestrian-detection\/","title":{"rendered":"\u667a\u80fd MEMS \u9ea6\u514b\u98ce\u9635\u5217\u6280\u672f\u63d0\u9ad8\u4e86\u57ce\u5e02\u4ea4\u901a\u7cfb\u7edf\u7684\u884c\u4eba\u68c0\u6d4b\u7cbe\u5ea6"},"content":{"rendered":"<h3 class=\"wp-block-heading\"><strong>\u5bfc\u8a00<\/strong><\/h3><p>\u968f\u7740\u57ce\u5e02\u5316\u8fdb\u7a0b\u7684\u52a0\u5feb\u548c\u57ce\u5e02\u4ea4\u901a\u5bc6\u5ea6\u7684\u589e\u52a0\uff0c\u884c\u4eba\u5b89\u5168\u5df2\u6210\u4e3a\u4e00\u4e2a\u4ee4\u4eba\u4e25\u91cd\u5173\u5207\u7684\u95ee\u9898\u3002\u6839\u636e <em>\u4e16\u754c\u536b\u751f\u7ec4\u7ec7<\/em>\u5927\u7ea6 <strong>135 \u4e07\u8d77\u4ea4\u901a\u4e8b\u6545<\/strong> \u6bcf\u5e74\u53d1\u751f\u7684 <strong>23% \u6b7b\u4ea1\u4e8b\u6545\u6d89\u53ca\u884c\u4eba<\/strong>.<br>\u4f20\u7edf\u4f20\u611f\u6280\u672f\uff0c\u5982 <strong>\u6444\u50cf\u673a<\/strong>, <strong>\u96f7\u8fbe<\/strong>\u4ee5\u53ca <strong>\u6fc0\u5149\u96f7\u8fbe<\/strong> \u5728\u80fd\u89c1\u5ea6\u8f83\u4f4e\u7684\u6761\u4ef6\u4e0b\uff0c\u5982\u96fe\u3001\u96e8\u6216\u5149\u7ebf\u4e0d\u8db3\u65f6\uff0c\u4ed6\u4eec\u5f80\u5f80\u4f1a\u9677\u5165\u56f0\u5883\u3002\u4e3a\u4e86\u5e94\u5bf9\u8fd9\u4e9b\u6311\u6218\uff0c\u6765\u81ea <strong>\u5df4\u4f26\u897f\u4e9a\u5927\u5b66<\/strong> \u5f00\u53d1\u4e86 <strong>\u57fa\u4e8e MEMS \u9ea6\u514b\u98ce\u9635\u5217\u7684\u884c\u4eba\u68c0\u6d4b\u7cfb\u7edf<\/strong>\u8be5\u7cfb\u7edf\u80fd\u591f\u5b9e\u65f6\u8bc6\u522b\u884c\u9a76\u8f66\u8f86\u4e0a\u7684\u884c\u4eba\uff0c\u5728\u4ee5\u4e0b\u65b9\u9762\u5b9e\u73b0\u4e86\u7a81\u7834 <strong>\u57fa\u4e8e\u58f0\u5b66\u7684\u5b89\u5168\u611f\u77e5<\/strong>.<\/p><h3 class=\"wp-block-heading\"><strong>\u7cfb\u7edf\u67b6\u6784<\/strong><\/h3><figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"908\" height=\"769\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/System-Architecture.png\" alt=\"\" class=\"wp-image-15553\" style=\"width:600px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/System-Architecture.png 908w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/System-Architecture-300x254.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/System-Architecture-768x650.png 768w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/System-Architecture-14x12.png 14w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/System-Architecture-600x508.png 600w\" sizes=\"(max-width: 908px) 100vw, 908px\" \/><\/figure><p>\u8be5\u7cfb\u7edf\u96c6\u6210\u4e86 <strong>\u667a\u80fd MEMS \u9ea6\u514b\u98ce<\/strong>, <strong>\u4fe1\u53f7\u5904\u7406<\/strong>\u4ee5\u53ca <strong>\u8f66\u8f86\u63a7\u5236\u901a\u8baf<\/strong> \u6a21\u5757\u3002<\/p><h4 class=\"wp-block-heading\"><strong>1.\u58f0\u5b66\u4f20\u611f<\/strong><\/h4><p>\u5fae\u673a\u7535\u7cfb\u7edf <strong>5\u00d730 MEMS \u9ea6\u514b\u98ce\u9635\u5217<\/strong> (\u5171 150 \u4e2a\u4f20\u58f0\u5668\uff09\uff0c\u95f4\u8ddd\u4e3a 0.9 \u5398\u7c73\u3002<br>\u8fd9\u4e9b\u9ea6\u514b\u98ce\u80fd\u6355\u6349\u5230\u9ad8\u9891\u626c\u58f0\u5668\u53d1\u51fa\u7684\u58f0\u6ce2\u548c\u884c\u4eba\u53cd\u5c04\u7684\u58f0\u6ce2--\u7c7b\u4f3c\u4e8e <strong>\u58f0\u96f7\u8fbe\u7cfb\u7edf<\/strong>.<\/p><figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"606\" height=\"445\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/Acoustic-Sensing.png\" alt=\"\" class=\"wp-image-15554\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/Acoustic-Sensing.png 606w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/Acoustic-Sensing-300x220.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/Acoustic-Sensing-16x12.png 16w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/Acoustic-Sensing-600x441.png 600w\" sizes=\"(max-width: 606px) 100vw, 606px\" \/><\/figure><p>\ud83d\udd17 <em>\u8fdb\u4e00\u6b65\u4e86\u89e3\u667a\u80fd MEMS \u9ea6\u514b\u98ce\u80cc\u540e\u7684\u6280\u672f\uff1a<\/em><br>\ud83d\udc49 <a href=\"https:\/\/sistc.com\/zh\/product\/smart-mems-microphone\/\">SISTC \u667a\u80fd MEMS \u9ea6\u514b\u98ce\u4ea7\u54c1\u9875\u9762<\/a><\/p><h4 class=\"wp-block-heading\"><strong>2.\u4fe1\u53f7\u5904\u7406<\/strong><\/h4><p>\u8be5\u7cfb\u7edf\u91c7\u7528\u57fa\u4e8e FPGA \u7684\u67b6\u6784\uff0c\u5176\u6027\u80fd\u5982\u4e0b<\/p><ul class=\"wp-block-list\"><li><strong>\u6ce2\u675f\u6210\u5f62<\/strong> \u5229\u7528\u5ef6\u8fdf\u548c\u7b97\u6cd5\u751f\u6210 17 \u4e2a\u79bb\u6563\u5149\u675f\uff0c\u8986\u76d6 -24\u00b0 \u81f3 +24\u00b0\u3002<\/li>\n\n<li><strong>\u5305\u7edc\u68c0\u6d4b<\/strong> \u4ee5\u51cf\u8f7b\u591a\u666e\u52d2\u6548\u5e94\u3002<\/li>\n\n<li><strong>\u5339\u914d\u8fc7\u6ee4<\/strong> \u4ee5\u63d0\u9ad8\u4fe1\u566a\u6bd4\uff08SNR\uff09\u3002<\/li><\/ul><p>\u6838\u5fc3\u7b97\u6cd5\u53ef\u5b9e\u73b0\u7cbe\u786e\u7684 <strong>\u884c\u4eba\u5b9a\u4f4d<\/strong> \u5373\u4f7f\u5728\u8f66\u8f86\u8fd0\u52a8\u548c\u73af\u5883\u566a\u58f0\u7684\u5f71\u54cd\u4e0b\u4e5f\u662f\u5982\u6b64\u3002<\/p><h4 class=\"wp-block-heading\"><strong>3.\u68c0\u6d4b\u548c\u51b3\u7b56<\/strong><\/h4><p>\u5728 Atom \u5185\u6838\u4e2d\uff0c\u6709\u591a\u4e2a\u5b50\u7cfb\u7edf\uff0c\u5305\u62ec <strong>\u5cf0\u503c\u68c0\u6d4b<\/strong>, <strong>CFAR \u81ea\u9002\u5e94\u9608\u503c<\/strong>\u4ee5\u53ca <strong>\u76ee\u6807\u6b67\u89c6<\/strong> - \u5408\u4f5c\uff0c\u5728 <strong>5-21 \u7c73<\/strong> \u5728\u524d\u9762<br>\u68c0\u6d4b\u53d1\u751f\u65f6\uff0c\u7cfb\u7edf\u4f1a\u4e0e <strong>\u9ad8\u7ea7\u9a7e\u9a76\u8f85\u52a9\u7cfb\u7edf\uff08ADAS\uff09<\/strong>\u89e6\u53d1 <strong>\u81ea\u52a8\u7d27\u6025\u5236\u52a8\uff08AEB\uff09<\/strong> \u6216\u901f\u5ea6\u8c03\u8282\u88c5\u7f6e\u3002<\/p><h3 class=\"wp-block-heading\"><strong>\u5b9e\u5730\u6d4b\u8bd5<\/strong><\/h3><p>\u5df4\u4f26\u897f\u4e9a\u5927\u5b66\u5728\u4e00\u6761\u57ce\u5e02\u53cc\u8f66\u9053\u9053\u8def\uff08\u5bbd 8 \u7c73\uff0c\u957f\u6570\u767e\u7c73\uff09\u4e0a\u8fdb\u884c\u4e86\u4e25\u683c\u7684\u5b9e\u9645\u6d4b\u8bd5\u3002<br>\u8f66\u8f86\u59cb\u7ec8\u4fdd\u6301 <strong>\u65f6\u901f 30 \u516c\u91cc<\/strong>\u800c\u4e24\u4e2a\u9759\u6b62\u7684\u884c\u4eba\u76f8\u8ddd 25 \u7c73\u3002\u6a2a\u8de8 <strong>200 \u6b21\u6d4b\u8bd5\u8fd0\u884c<\/strong>\u8be5\u7cfb\u7edf\u5b9e\u73b0\u4e86<\/p><ul class=\"wp-block-list\"><li><strong>\u68c0\u6d4b\u6982\u7387 (Pd)\uff1a0.91<\/strong><\/li>\n\n<li><strong>\u8bef\u62a5\u6982\u7387 (Pfa)\uff1a0.011<\/strong><\/li><\/ul><p>\u5c3d\u7ba1\u7531\u4e8e <strong>\u53d1\u52a8\u673a\u548c\u98ce\u566a<\/strong>\u603b\u4f53\u7ed3\u679c\u8bc1\u5b9e\u4e86\u8be5\u7cfb\u7edf <strong>\u7a33\u5065\u7684\u53ef\u884c\u6027<\/strong> \u9002\u7528\u4e8e\u5b9e\u9645\u9a7e\u9a76\u573a\u666f\u3002<\/p><figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"874\" height=\"716\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/Field-Testing.png\" alt=\"\" class=\"wp-image-15555\" style=\"width:575px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/Field-Testing.png 874w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/Field-Testing-300x246.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/Field-Testing-768x629.png 768w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/Field-Testing-15x12.png 15w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/10\/Field-Testing-600x492.png 600w\" sizes=\"(max-width: 874px) 100vw, 874px\" \/><figcaption class=\"wp-element-caption\">\u7279\u5b9a\u884c\u7a0b\u7684\u68c0\u6d4b\u6b21\u6570\u3002<\/figcaption><\/figure><p>\ud83d\udd17 <em>\u53c2\u8003\u8d44\u6599<\/em><br>Izquierdo, A., del Val, L., Villacorta, J. J. \"\u4f7f\u7528\u5b89\u88c5\u5728\u884c\u9a76\u8f66\u8f86\u4e0a\u7684 MEMS \u58f0\u5b66\u9635\u5217\u8fdb\u884c\u884c\u4eba\u68c0\u6d4b\"\u3002 <em>\u4f20\u611f\u5668\u4e0e\u6267\u884c\u5668\uff1aA. \u7269\u7406<\/em>\u7b2c 376 \u5377\uff0c\u7b2c 2024 \u671f\uff0c\u7b2c 115586 \u9875\u3002<br>(<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S092442472400586X\">\u5728 ScienceDirect \u4e0a\u9605\u8bfb<\/a>)<\/p><h3 class=\"wp-block-heading\"><strong>\u672a\u6765\u53d1\u5c55\u65b9\u5411<\/strong><\/h3><p>\u7814\u7a76\u5c0f\u7ec4\u8ba1\u5212\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u4e00\u6b65\u63d0\u9ad8\u63a2\u6d4b\u80fd\u529b\uff1a<\/p><ul class=\"wp-block-list\"><li>\u589e\u52a0 <strong>\u4fe1\u53f7\u4f20\u8f93\u529f\u7387\u548c\u5e26\u5bbd<\/strong><\/li>\n\n<li>\u5e94\u7528 <strong>\u7edf\u8ba1\u4f18\u5316\u6ce2\u675f\u6210\u5f62\u7b97\u6cd5<\/strong><\/li>\n\n<li>\u7eb3\u5165 <strong>\u57fa\u4e8e\u5361\u5c14\u66fc\u6ee4\u6ce2\u5668\u7684\u8ddf\u8e2a\u548c\u6570\u636e\u5173\u8054<\/strong><\/li><\/ul><p>\u8fd9\u4e9b\u6539\u8fdb\u5c06\u6709\u52a9\u4e8e\u5b9e\u73b0\u66f4\u9ad8\u7684\u7cbe\u786e\u5ea6\u3001\u66f4\u5c11\u7684\u8bef\u62a5\u5e76\u66f4\u597d\u5730\u96c6\u6210\u5230 <strong>\u667a\u80fd\u4ea4\u901a\u7cfb\u7edf\uff08ITS\uff09<\/strong>.<\/p><h3 class=\"wp-block-heading\"><strong>\u667a\u80fd MEMS \u9ea6\u514b\u98ce\uff1a\u6838\u5fc3\u63a8\u52a8\u529b<\/strong><\/h3><p>\u8fd9\u4e00\u884c\u4eba\u63a2\u6d4b\u7cfb\u7edf\u7684\u6210\u529f\u5f3a\u8c03\u4e86 <strong>\u667a\u80fd MEMS \u9ea6\u514b\u98ce\u9635\u5217\u7684\u6f5c\u529b<\/strong> \u4e8e <strong>\u58f0\u5b66\u6210\u50cf\u548c ADAS \u5e94\u7528<\/strong>.<br>\u5728 <strong>\u65e0\u9521\u7845\u6e90\u79d1\u6280\u6709\u9650\u516c\u53f8<\/strong>\u6211\u4eec\u7684 <a href=\"https:\/\/sistc.com\/zh\/product\/smart-mems-microphone\/\">\u667a\u80fd MEMS \u9ea6\u514b\u98ce<\/a> \u7cfb\u5217\u63d0\u4f9b\uff1a<\/p><ul class=\"wp-block-list\"><li><strong>\u7075\u654f\u5ea6\u9ad8\uff0c\u672c\u5e95\u566a\u58f0\u4f4e<\/strong><\/li>\n\n<li><strong>\u4e3a\u9635\u5217\u5e94\u7528\u63d0\u4f9b\u51fa\u8272\u7684\u76f8\u4f4d\u5339\u914d<\/strong><\/li>\n\n<li><strong>\u7528\u4e8e\u6c7d\u8f66\u96c6\u6210\u7684\u7d27\u51d1\u578b SMD \u5c01\u88c5<\/strong><\/li>\n\n<li><strong>\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\u5e7f<\/strong><\/li><\/ul><p>\u8fd9\u4e9b\u7279\u6027\u4f7f SISTC \u7684\u667a\u80fd MEMS \u9ea6\u514b\u98ce\u6210\u4e3a\u4ee5\u4e0b\u5e94\u7528\u7684\u7406\u60f3\u9009\u62e9 <strong>\u81ea\u52a8\u9a7e\u9a76<\/strong>, <strong>\u5de5\u4e1a\u58f0\u5b66<\/strong>\u4ee5\u53ca <strong>\u73af\u5883\u4f20\u611f<\/strong>.<\/p><h3 class=\"wp-block-heading\"><strong>\u7ed3\u8bba<\/strong><\/h3><p>\u8fd9\u4e00\u521b\u65b0\u6807\u5fd7\u7740\u5411\u4ee5\u4e0b\u76ee\u6807\u8fc8\u51fa\u4e86\u91cd\u8981\u4e00\u6b65 <strong>\u58f0\u5b66\u611f\u77e5\u8ba9\u4ea4\u901a\u66f4\u5b89\u5168<\/strong>.<br>\u7531\u4e8e\u89c6\u89c9\u4f20\u611f\u5668\u5728\u6076\u52a3\u5929\u6c14\u6216\u7167\u660e\u6761\u4ef6\u4e0b\u4f1a\u53d7\u5230\u9650\u5236\u3001 <strong>MEMS \u9ea6\u514b\u98ce\u9635\u5217<\/strong> - \u5176\u7cbe\u5ea6\u9ad8\u3001\u9002\u5e94\u6027\u5f3a\u3001\u6210\u672c\u4f4e\uff0c\u6b63\u5728\u6210\u4e3a\u672a\u6765\u7684\u8f85\u52a9\u4f20\u611f\u6280\u672f <strong>\u667a\u80fd\u6c7d\u8f66<\/strong>.<\/p><p>\ud83d\udd17 <em>\u4e86\u89e3\u66f4\u591a\u6765\u81ea SISTC \u7684\u4fe1\u606f\uff1a<\/em><\/p><ul class=\"wp-block-list\"><li><a href=\"https:\/\/sistc.com\/zh\/product-category\/mems-microphone\/\">MEMS \u9ea6\u514b\u98ce\u89e3\u51b3\u65b9\u6848\u6982\u8ff0<\/a><\/li>\n\n<li><a href=\"https:\/\/sistc.com\/zh\/product\/smart-mems-microphone\/\">\u667a\u80fd MEMS \u9ea6\u514b\u98ce<\/a><\/li>\n\n<li><a href=\"https:\/\/sistc.com\/zh\/blog-a316-ls-mic-v2-usb-ai-mems-microphone-evaluation\/\">\u667a\u80fd\u8bbe\u5907\u4e2d\u7684\u58f0\u5b66\u4f20\u611f\u5668\u5e94\u7528<\/a><\/li><\/ul><p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u5bfc\u8a00 \u968f\u7740\u57ce\u5e02\u5316\u8fdb\u7a0b\u7684\u52a0\u5feb\u548c\u57ce\u5e02\u4ea4\u901a\u5bc6\u5ea6\u7684\u589e\u52a0\uff0c\u884c\u4eba\u5b89\u5168\u5df2\u6210\u4e3a\u4e00\u4e2a\u4ee4\u4eba\u4e25\u91cd\u5173\u5207\u7684\u95ee\u9898\u3002\u636e\u4e16\u754c\u536b\u751f\u7ec4\u7ec7\u7edf\u8ba1\uff0c\u7ea6\u6709 135 \u4e07\u8d77\u9053\u8def\u4ea4\u901a\u4e8b\u6545 [...] \u3002<\/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 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":[42,1],"tags":[],"class_list":["post-15552","post","type-post","status-publish","format-standard","hentry","category-industry-news","category-company-news"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.0 - 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