{"id":15320,"date":"2025-06-07T12:50:07","date_gmt":"2025-06-07T12:50:07","guid":{"rendered":"https:\/\/sistc.com\/?p=15320"},"modified":"2025-06-07T12:50:09","modified_gmt":"2025-06-07T12:50:09","slug":"news-nlos-vehicle-detection-mems-microphones","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/news-nlos-vehicle-detection-mems-microphones\/","title":{"rendered":"\u4f7f\u7528 MEMS \u9ea6\u514b\u98ce\u9635\u5217\u5728\u57ce\u5e02\u4ea4\u53c9\u8def\u53e3\u8fdb\u884c\u975e\u89c6\u7ebf\u8f66\u8f86\u68c0\u6d4b"},"content":{"rendered":"<p>\u968f\u7740\u57ce\u5e02\u5411\u667a\u80fd\u4ea4\u901a\u548c\u81ea\u52a8\u4ea4\u901a\u63a7\u5236\u65b9\u5411\u53d1\u5c55\uff0c\u5bf9\u4f20\u611f\u5668\u7684\u9700\u6c42\u4e5f\u5728\u4e0d\u65ad\u589e\u52a0\u3002 <strong>\u8d85\u8d8a\u89c6\u89c9\u5c40\u9650<\/strong> \u7279\u522b\u662f\u5728\u57ce\u5e02\u4ea4\u53c9\u8def\u53e3\uff0c\u56e0\u4e3a\u5728\u90a3\u91cc <strong>\u95ed\u585e\u8f66\u8f86<\/strong> \u6784\u6210\u5b89\u5168\u9690\u60a3\u3002\u4f20\u7edf\u7684\u96f7\u8fbe\u548c\u6fc0\u5149\u96f7\u8fbe\u4f20\u611f\u5668\u4ec5\u5728\u4ee5\u4e0b\u60c5\u51b5\u4e0b\u6709\u6548 <strong>\u89c6\u8ddd<\/strong> \u6761\u4ef6\uff0c\u4ece\u800c\u5728\u65e9\u671f\u68c0\u6d4b\u80fd\u529b\u65b9\u9762\u7559\u4e0b\u4e86\u7a7a\u767d\u3002<\/p><p>\u6700\u8fd1\u5728 <strong>\u58f0\u5b66\u4f20\u611f<\/strong> \u5e26\u6765\u4e86\u65b0\u7684\u53ef\u80fd\u6027\u3002MEMS \u9ea6\u514b\u98ce\u9635\u5217\u4e0e\u6df1\u5ea6\u5b66\u4e60\u76f8\u7ed3\u5408\uff0c\u53ef\u4ee5\u63a2\u6d4b\u5230\u65e0\u6cd5\u770b\u5230\u7684\u8f66\u8f86--\u4f8b\u5982\uff0c\u5728\u8f66\u9053\u4e0a\u884c\u9a76\u7684\u8f66\u8f86\u3002<strong>\u7a7f\u5899\u3001\u8f6c\u5f2f\u6216\u8eb2\u5728\u5176\u4ed6\u8f66\u8f86\u540e\u9762\u3002<\/strong><\/p><h3 class=\"wp-block-heading\"><strong>\u4ec0\u4e48\u662f\u58f0\u5b66\u975e\u89c6\u8ddd\uff08NLOS\uff09\u63a2\u6d4b\uff1f<\/strong><\/h3><p>\u58f0\u5b66 NLOS \u68c0\u6d4b\u5229\u7528\u4e86\u4ee5\u4e0b\u4e8b\u5b9e <strong>\u58f0\u6ce2\u5728\u7269\u4f53\u5468\u56f4\u884d\u5c04\u3001\u53cd\u5c04\u548c\u5f2f\u66f2<\/strong>\u8fd9\u6837\uff0c\u4f20\u611f\u5668\u5c31\u80fd \"\u542c\u5230 \"\u5b83\u4eec\u65e0\u6cd5 \"\u770b\u5230 \"\u7684\u4e1c\u897f\u3002\u901a\u8fc7\u90e8\u7f72\u9635\u5217 <strong>\u5168\u5411 MEMS \u9ea6\u514b\u98ce<\/strong>\u53ef\u4ee5\u63d0\u53d6 <strong>\u5230\u8fbe\u65b9\u5411\uff08DOA\uff09<\/strong> \u4e0e <strong>\u65f6\u9891\u7279\u5f81<\/strong> \u901a\u8fc7\u5bf9\u58f0\u97f3\u8fdb\u884c\u5206\u6790\uff0c\u53ef\u4ee5\u63a8\u65ad\u51fa\u8f66\u8f86\u7684\u5b58\u5728\u548c\u79fb\u52a8\u60c5\u51b5\u3002<\/p><p>\u5229\u7528\u8fd9\u4e9b\u4fe1\u606f\uff0c\u7814\u7a76\u4eba\u5458\u5f00\u53d1\u4e86 <strong>\u5e76\u884c\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc<\/strong> \u7684\u5206\u7c7b\uff1a<\/p><ul class=\"wp-block-list\"><li>\u8f66\u8f86\u662f\u5426 <strong>\u6765\u53bb<\/strong><\/li>\n\n<li>\u5176 <strong>\u8fd0\u52a8\u65b9\u5411<\/strong><\/li>\n\n<li>\u5176 <strong>\u76f8\u5bf9\u4e8e\u4ea4\u53c9\u8def\u53e3\u7684\u72b6\u6001<\/strong><\/li><\/ul><p>\u7ed3\u679c\u5982\u4f55\uff1f\u8f66\u8f86\u53ef\u4ee5 <strong>\u524d 1 \u79d2\u68c0\u6d4b\u5230<\/strong> \u8fdb\u5165\u89c6\u7ebf\uff0c\u4ece\u800c\u4e3a\u81ea\u52a8\u548c\u534a\u81ea\u52a8\u7cfb\u7edf\u63d0\u4f9b\u66f4\u591a\u7684\u53cd\u5e94\u65f6\u95f4\u3002<\/p><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\ud83d\udd0e \u8fdb\u4e00\u6b65\u4e86\u89e3\u6211\u4eec\u7684\u4f4e\u566a\u97f3\u8bbe\u5907 <a class=\"\" href=\"https:\/\/sistc.com\/zh\/product-category\/mems-microphone\/\">\u7528\u4e8e\u5b9e\u65f6\u58f0\u5b66\u4eba\u5de5\u667a\u80fd\u7684 MEMS \u9ea6\u514b\u98ce\u89e3\u51b3\u65b9\u6848<\/a> \u5728\u667a\u80fd\u4ea4\u901a\u4e2d\u5b9e\u73b0\u57fa\u4e8e\u8fb9\u7f18\u7684\u97f3\u9891\u5206\u6790\u3002<\/p><\/blockquote><h3 class=\"wp-block-heading\"><strong>\u6027\u80fd\u548c\u5b9e\u9645\u6548\u679c<\/strong><\/h3><p>\u5728\u57ce\u5e02\u4ea4\u901a\u73af\u5883\u4e2d\u8fdb\u884c\u4e86\u5b9e\u5730\u6d4b\u8bd5\uff1a<\/p><ul class=\"wp-block-list\"><li><strong>96.71% \u5206\u7c7b\u51c6\u786e\u7387<\/strong> \u8de8\u8d8a 6 \u79cd\u4e0d\u540c\u7684\u4ea4\u53c9\u8def\u53e3\u6761\u4ef6<\/li>\n\n<li><strong>\u53ef\u9760\u7684\u8f66\u8f86\u65b9\u5411\u9884\u6d4b<\/strong>\u5305\u62ec\u95ed\u5408\u8f6c\u5f2f<\/li>\n\n<li><strong>\u7cbe\u786e\u7684\u63a5\u8fd1\/\u79bb\u5f00\u72b6\u6001\u68c0\u6d4b<\/strong>\u6539\u8fdb\u667a\u80fd\u8f66\u8f86\u7684\u51b3\u7b56<\/li>\n\n<li><strong>\u5353\u8d8a\u6027\u80fd<\/strong> \u4e0e\u73b0\u6709 NLOS \u63a2\u6d4b\u58f0\u57fa\u7ebf\u76f8\u6bd4<\/li><\/ul><p>\u8fd9\u4e9b\u7ed3\u679c\u9a8c\u8bc1\u4e86\u5fae\u673a\u7535\u7cfb\u7edf\u9ea6\u514b\u98ce\u9635\u5217\u4f5c\u4e3a <strong>\u53ef\u884c\u7684\u4f4e\u529f\u8017\u3001\u9ad8\u5206\u8fa8\u7387\u58f0\u5b66\u4f20\u611f\u5668<\/strong> \u5728\u73b0\u4ee3\u667a\u80fd\u57ce\u5e02\u57fa\u7840\u8bbe\u65bd\u4e2d\u3002<\/p><h3 class=\"wp-block-heading\"><strong>\u5e94\u7528\u548c\u5e02\u573a\u5f71\u54cd<\/strong><\/h3><ul class=\"wp-block-list\"><li><strong>\u667a\u80fd\u4ea4\u53c9\u8def\u53e3\uff1a<\/strong> \u5728\u89c6\u89c9\u4f20\u611f\u5668\u88ab\u5efa\u7b51\u7269\u6216\u516c\u5171\u6c7d\u8f66\u6321\u4f4f\u7684\u5730\u65b9\u63d0\u9ad8\u5b89\u5168\u6027\u3002<\/li>\n\n<li><strong>ADAS\uff08\u9ad8\u7ea7\u9a7e\u9a76\u8f85\u52a9\u7cfb\u7edf\uff09\uff1a<\/strong> \u83b7\u5f97\u9690\u85cf\u6d41\u91cf\u7684\u9884\u8b66\u3002<\/li>\n\n<li><strong>\u81ea\u52a8\u9a7e\u9a76\u6c7d\u8f66\uff1a<\/strong> \u65e0\u9700\u5b8c\u5168\u4f9d\u8d56\u6444\u50cf\u5934\u6216\u6fc0\u5149\u96f7\u8fbe\uff0c\u5373\u53ef\u589e\u5f3a\u6001\u52bf\u611f\u77e5\u80fd\u529b\u3002<\/li>\n\n<li><strong>\u57ce\u5e02\u76d1\u63a7\u4e0e\u5e94\u6025\u670d\u52a1\uff1a<\/strong> \u901a\u8fc7\u88ab\u52a8\u5f0f\u5927\u8303\u56f4\u76d1\u542c\u6539\u8fdb\u51b3\u7b56\u3002<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>\u76f8\u5173\u7814\u7a76\u548c\u5916\u90e8\u53c2\u8003\u8d44\u6599<\/strong><\/h3><ul class=\"wp-block-list\"><li><a class=\"\" href=\"https:\/\/ieeexplore.ieee.org\/document\/10123476\">\u7528\u4e8e\u975e\u89c6\u8ddd\u58f0\u5b66\u4f20\u611f\u7684\u6df1\u5ea6\u5b66\u4e60 - IEEE Xplore<\/a><\/li>\n\n<li><a href=\"https:\/\/www.mdpi.com\/1424-8220\/21\/15\/5093\">\u57fa\u4e8e\u4eba\u5de5\u667a\u80fd\u7684\u4ea4\u901a\u76d1\u63a7\u58f0\u5b66\u8f66\u8f86\u68c0\u6d4b - MDPI<\/a><\/li>\n\n<li><a class=\"\" href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0165168419303137\">\u4f7f\u7528 MEMS \u9ea6\u514b\u98ce\u9635\u5217\u4f30\u8ba1\u5230\u8fbe\u65b9\u5411 - \u79d1\u5b66\u5f15\u8a00<\/a><\/li><\/ul><h3 class=\"wp-block-heading\"><strong>\u63a2\u7d22\u6211\u4eec\u7684\u76f8\u5173\u4ea7\u54c1\uff1a<\/strong><\/h3><p>\u6211\u4eec\u7684 <strong>MEMS \u9ea6\u514b\u98ce<\/strong> \u63d0\u4f9b\u9ad8\u4fe1\u566a\u6bd4 (SNR)\u3001\u8d85\u4f4e\u529f\u8017\u548c\u7d27\u51d1\u7684\u5360\u5730\u9762\u79ef\uff0c\u6ee1\u8db3\u4ee5\u4e0b\u8981\u6c42 <strong>\u4eba\u5de5\u667a\u80fd\u9a71\u52a8\u7684\u58f0\u5b66\u4f20\u611f<\/strong> \u5728\u8fb9\u7f18\u3002<\/p><p>\ud83d\udc49 <a class=\"\" href=\"https:\/\/sistc.com\/zh\/product-category\/mems-microphone\/\">\u6d4f\u89c8 MEMS \u9ea6\u514b\u98ce\u89e3\u51b3\u65b9\u6848<\/a><\/p><h2 class=\"wp-block-heading\"><strong>\u7ed3\u8bba<\/strong><\/h2><p>\u975e\u89c6\u7ebf\u8f66\u8f86\u68c0\u6d4b\u7531 <strong>MEMS \u9ea6\u514b\u98ce\u9635\u5217<\/strong> \u4e0e <strong>\u6df1\u5ea6\u5b66\u4e60<\/strong> \u6b63\u5728\u91cd\u65b0\u5b9a\u4e49\u667a\u80fd\u4ea4\u901a\u5b89\u5168\u3002\u901a\u8fc7\u5c06\u6001\u52bf\u611f\u77e5\u6269\u5c55\u5230\u89c6\u91ce\u4e4b\u5916\uff0c\u8fd9\u79cd\u57fa\u4e8e\u58f0\u5b66\u7684\u7cfb\u7edf\u4e3a\u4ea4\u53c9\u8def\u53e3\u548c\u81ea\u52a8\u9a7e\u9a76\u8f66\u8f86\u589e\u52a0\u4e86\u4e00\u5c42\u65b0\u7684\u667a\u80fd--\u63d0\u4f9b\u4ee5\u4e0b\u529f\u80fd <strong>\u5173\u952e\u7684\u6beb\u79d2\u53cd\u5e94\u65f6\u95f4<\/strong> \u5e76\u52a0\u5f3a <strong>\u4eba\u4eba\u4eab\u6709\u9053\u8def\u5b89\u5168<\/strong>.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u968f\u7740\u57ce\u5e02\u5411\u667a\u80fd\u4ea4\u901a\u548c\u81ea\u52a8\u4ea4\u901a\u63a7\u5236\u65b9\u5411\u53d1\u5c55\uff0c\u5bf9\u8d85\u8d8a\u89c6\u89c9\u9650\u5236\u7684\u4f20\u611f\u5668\u7684\u9700\u6c42\u53d8\u5f97\u81f3\u5173\u91cd\u8981--\u5c24\u5176\u662f\u5728\u57ce\u5e02\u4ea4\u53c9\u8def\u53e3\uff0c\u906e\u6321\u7684\u8f66\u8f86\u4f1a\u5e26\u6765\u5b89\u5168\u9690\u60a3\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 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