{"id":28980,"date":"2023-09-16T18:28:16","date_gmt":"2023-09-16T10:28:16","guid":{"rendered":"\/\/www.viralrail.com\/?p=28980"},"modified":"2023-09-16T18:28:16","modified_gmt":"2023-09-16T10:28:16","slug":"plxyfwdsh","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/28980.html","title":{"rendered":"\u9891\u7387\u54cd\u5e94\u8303\u56f4\u591a\u5c11\u597d\uff1f"},"content":{"rendered":"<p>&emsp;&emsp;\u9891\u7387\u54cd\u5e94\u8303\u56f4\u662f\u6307\u97f3\u9891\u8bbe\u5907\u80fd\u591f\u5904\u7406\u7684\u6700\u4f4e\u548c\u6700\u9ad8\u9891\u7387\u7684\u8303\u56f4\uff0c\u5b83\u51b3\u5b9a\u4e86\u8bbe\u5907\u80fd\u591f\u5904\u7406\u7684\u58f0\u97f3\u8303\u56f4\u3002\u9891\u7387\u54cd\u5e94\u8303\u56f4\u8d8a\u5e7f\uff0c\u8bf4\u660e\u8bbe\u5907\u80fd\u591f\u5904\u7406\u7684\u58f0\u97f3\u8303\u56f4\u8d8a\u5e7f\uff0c\u97f3\u8d28\u4e5f\u4f1a\u66f4\u597d\u3002\u56e0\u6b64\uff0c\u786e\u5b9a\u9891\u7387\u54cd\u5e94\u8303\u56f4\u591a\u5c11\u597d\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u9009\u62e9\u97f3\u9891\u8bbe\u5907\uff0c\u4ece\u800c\u63d0\u5347\u97f3\u8d28\u3002<\/p>\n<h2 style=\"text-align: center;\">\u9891\u7387\u54cd\u5e94\u8303\u56f4\u7684\u91cd\u8981\u6027<\/h2>\n<p>&emsp;&emsp;\u9891\u7387\u54cd\u5e94\u8303\u56f4\u5f88\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u51b3\u5b9a\u8bbe\u5907\u80fd\u591f\u5904\u7406\u7684\u58f0\u97f3\u8303\u56f4\u3002\u4f4e\u9891\u548c\u9ad8\u9891\u7684\u54cd\u5e94\u80fd\u529b\u8d8a\u5f3a\uff0c\u8bbe\u5907\u80fd\u591f\u5904\u7406\u7684\u58f0\u97f3\u8303\u56f4\u5c31\u8d8a\u5e7f\uff0c\u97f3\u8d28\u4e5f\u4f1a\u66f4\u597d\u3002\u56e0\u6b64\uff0c\u5728\u9009\u62e9\u97f3\u9891\u8bbe\u5907\u65f6\uff0c\u6211\u4eec\u8981\u6ce8\u610f\u5b83\u7684\u9891\u7387\u54cd\u5e94\u8303\u56f4\uff0c\u4ee5\u786e\u4fdd\u53ef\u4ee5\u83b7\u5f97\u6700\u4f73\u7684\u97f3\u8d28\u3002<\/p>\n<h3 style=\"text-align: center;\">\u9891\u7387\u54cd\u5e94\u8303\u56f4\u7684\u8ba1\u7b97<\/h3>\n<p>&emsp;&emsp;\u9891\u7387\u54cd\u5e94\u8303\u56f4\u662f\u6307\u97f3\u9891\u8bbe\u5907\u80fd\u591f\u5904\u7406\u7684\u6700\u4f4e\u548c\u6700\u9ad8\u9891\u7387\u7684\u8303\u56f4\uff0c\u5b83\u662f\u7531\u8bbe\u5907\u7684\u786c\u4ef6\u53c2\u6570\u51b3\u5b9a\u7684\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u9891\u7387\u54cd\u5e94\u8303\u56f4\u7684\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u6700\u4f4e\u9891\u7387 = \u8bbe\u5907\u7684\u6700\u4f4e\u9891\u7387 &#8211; 3dB\uff1b<\/li>\n<li>\u6700\u9ad8\u9891\u7387 = \u8bbe\u5907\u7684\u6700\u9ad8\u9891\u7387 + 3dB\u3002<\/li>\n<\/ul>\n<p>&emsp;&emsp;\u4ee5\u4e0a\u516c\u5f0f\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8ba1\u7b97\u51fa\u97f3\u9891\u8bbe\u5907\u7684\u9891\u7387\u54cd\u5e94\u8303\u56f4\uff0c\u4ece\u800c\u66f4\u597d\u5730\u9009\u62e9\u97f3\u9891\u8bbe\u5907\uff0c\u4ece\u800c\u63d0\u5347\u97f3\u8d28\u3002<\/p>\n<h3 style=\"text-align: center;\">\u600e\u6837\u9009\u62e9\u9891\u7387\u54cd\u5e94\u8303\u56f4\u591a\u5c11\u597d\uff1f<\/h3>\n<p>&emsp;&emsp;\u9891\u7387\u54cd\u5e94\u8303\u56f4\u7684\u8303\u56f4\u8d8a\u5e7f\uff0c\u8bf4\u660e\u8bbe\u5907\u80fd\u591f\u5904\u7406\u7684\u58f0\u97f3\u8303\u56f4\u8d8a\u5e7f\uff0c\u97f3\u8d28\u4e5f\u4f1a\u66f4\u597d\u3002\u56e0\u6b64\uff0c\u5728\u9009\u62e9\u97f3\u9891\u8bbe\u5907\u65f6\uff0c\u6211\u4eec\u8981\u6ce8\u610f\u5b83\u7684\u9891\u7387\u54cd\u5e94\u8303\u56f4\uff0c\u4ee5\u786e\u4fdd\u53ef\u4ee5\u83b7\u5f97\u6700\u4f73\u7684\u97f3\u8d28\u3002<\/p>\n<p>&emsp;&emsp;\u4e00\u822c\u6765\u8bf4\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u4f7f\u7528\u573a\u666f\uff0c\u9009\u62e9\u4e0d\u540c\u7684\u9891\u7387\u54cd\u5e94\u8303\u56f4\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u662f\u5bb6\u5ead\u5f71\u9662\uff0c\u5219\u53ef\u4ee5\u9009\u62e920Hz-20kHz\u7684\u9891\u7387\u54cd\u5e94\u8303\u56f4\uff1b<\/li>\n<li>\u5982\u679c\u662f\u8046\u542c\u97f3\u4e50\uff0c\u5219\u53ef\u4ee5\u9009\u62e920Hz-40kHz\u7684\u9891\u7387\u54cd\u5e94\u8303\u56f4\uff1b<\/li>\n<li>\u5982\u679c\u662f\u5f55\u97f3\u5de5\u4f5c\u5ba4\uff0c\u5219\u53ef\u4ee5\u9009\u62e920Hz-50kHz\u7684\u9891\u7387\u54cd\u5e94\u8303\u56f4\u3002<\/li>\n<\/ul>\n<p>&emsp;&emsp;\u6839\u636e\u4e0a\u8ff0\u6307\u5bfc\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u4f7f\u7528\u573a\u666f\uff0c\u9009\u62e9\u5408\u9002\u7684\u9891\u7387\u54cd\u5e94\u8303\u56f4\uff0c\u4ece\u800c\u83b7\u5f97\u66f4\u597d\u7684\u97f3\u8d28\u3002<\/p>\n<h2 style=\"text-align: center;\">\u603b\u7ed3<\/h2>\n<p>&emsp;&emsp;<strong>\u603b\u4e4b\uff0c\u9891\u7387\u54cd\u5e94\u8303\u56f4\u662f\u97f3\u9891\u8bbe\u5907\u80fd\u591f\u5904\u7406\u7684\u6700\u4f4e\u548c\u6700\u9ad8\u9891\u7387\u7684\u8303\u56f4\uff0c\u5b83\u51b3\u5b9a\u4e86\u8bbe\u5907\u80fd\u591f\u5904\u7406\u7684\u58f0\u97f3\u8303\u56f4\u3002<\/strong>\u9891\u7387\u54cd\u5e94\u8303\u56f4\u8d8a\u5e7f\uff0c\u8bf4\u660e\u8bbe\u5907\u80fd\u591f\u5904\u7406\u7684\u58f0\u97f3\u8303\u56f4\u8d8a\u5e7f\uff0c\u97f3\u8d28\u4e5f\u4f1a\u66f4\u597d\u3002\u56e0\u6b64\uff0c\u5728\u9009\u62e9\u97f3\u9891\u8bbe\u5907\u65f6\uff0c\u6211\u4eec\u8981\u6ce8\u610f\u5b83\u7684\u9891\u7387\u54cd\u5e94\u8303\u56f4\uff0c\u4ee5\u786e\u4fdd\u53ef\u4ee5\u83b7\u5f97\u6700\u4f73\u7684\u97f3\u8d28\u3002\u6839\u636e\u4e0d\u540c\u7684\u4f7f\u7528\u573a\u666f\uff0c\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u5408\u9002\u7684\u9891\u7387\u54cd\u5e94\u8303\u56f4\uff0c\u4ece\u800c\u83b7\u5f97\u66f4\u597d\u7684\u97f3\u8d28\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9891\u7387\u54cd\u5e94\u8303\u56f4\u662f\u6307\u97f3\u9891\u8bbe\u5907\u80fd\u591f\u5904\u7406\u7684\u6700\u4f4e\u548c\u6700\u9ad8\u9891\u7387\u7684\u8303\u56f4\uff0c\u5b83\u51b3\u5b9a\u4e86\u8bbe\u5907\u80fd\u591f\u5904\u7406\u7684\u58f0\u97f3\u8303\u56f4\u3002\u9891\u7387\u54cd\u5e94\u8303\u56f4\u8d8a\u5e7f\uff0c\u8bf4\u660e\u8bbe\u5907\u80fd\u591f\u5904\u7406\u7684\u58f0\u97f3\u8303\u56f4\u8d8a\u5e7f\uff0c\u97f3\u8d28\u4e5f\u4f1a\u66f4\u597d\u3002\u56e0\u6b64\uff0c\u786e\u5b9a\u9891\u7387\u54cd\u5e94<\/p>\n","protected":false},"author":1,"featured_media":3671,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","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":"","footnotes":""},"categories":[36],"tags":[52],"class_list":["post-28980","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-wxtx"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/28980"}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=28980"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/28980\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=28980"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=28980"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=28980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}