{"id":27425,"date":"2023-09-16T03:03:55","date_gmt":"2023-09-15T19:03:55","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=27425"},"modified":"2023-09-16T03:03:55","modified_gmt":"2023-09-15T19:03:55","slug":"xzbtstddygnhyy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/27425.html","title":{"rendered":"\u4fe1\u566a\u6bd4\uff1a\u63a2\u7d22\u5b83\u7684\u5b9a\u4e49\u3001\u6982\u5ff5\u548c\u5e94\u7528"},"content":{"rendered":"

  \u4fe1\u566a\u6bd4\uff08Signal-to-Noise Ratio\uff0cSNR\uff09\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u662f\u7528\u6765\u8861\u91cf\u4fe1\u53f7\u548c\u566a\u58f0\u4e4b\u95f4\u7684\u6bd4\u7387\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7535\u5b50\u5b66\u3001\u79fb\u52a8\u901a\u4fe1\u3001\u751f\u7269\u4fe1\u606f\u5b66\u548c\u5176\u4ed6\u9886\u57df\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4fe1\u566a\u6bd4\u7684\u5b9a\u4e49\u3001\u6982\u5ff5\u548c\u5e94\u7528\uff0c\u4ee5\u671f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u8fd9\u4e00\u6982\u5ff5\u3002<\/p>\n

\u4ec0\u4e48\u662f\u4fe1\u566a\u6bd4\uff1f<\/h2>\n

  \u4fe1\u566a\u6bd4\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u662f\u7528\u6765\u8861\u91cf\u4fe1\u53f7\u548c\u566a\u58f0\u4e4b\u95f4\u7684\u6bd4\u7387\u3002<\/strong>\u4fe1\u566a\u6bd4\u53ef\u4ee5\u5b9a\u4e49\u4e3a\u4fe1\u53f7\u529f\u7387\u4e0e\u566a\u58f0\u529f\u7387\u4e4b\u6bd4\uff0c\u6216\u8005\u4fe1\u53f7\u5f3a\u5ea6\u4e0e\u566a\u58f0\u5f3a\u5ea6\u4e4b\u6bd4\u3002<\/p>\n

  \u4fe1\u566a\u6bd4\u7684\u5355\u4f4d\u662f\u5206\u8d1d\uff08dB\uff09\uff0c\u8fd9\u662f\u4e00\u4e2a\u76f8\u5bf9\u5355\u4f4d\uff0c\u8868\u793a\u4fe1\u53f7\u548c\u566a\u58f0\u4e4b\u95f4\u7684\u6bd4\u7387\u3002\u901a\u5e38\uff0c\u4fe1\u566a\u6bd4\u8d8a\u9ad8\uff0c\u8bf4\u660e\u4fe1\u53f7\u548c\u566a\u58f0\u4e4b\u95f4\u7684\u5dee\u5f02\u8d8a\u5927\uff0c\u4e5f\u5c31\u662f\u8bf4\u4fe1\u53f7\u66f4\u5f3a\uff0c\u566a\u58f0\u66f4\u5f31\u3002<\/p>\n

\u4fe1\u566a\u6bd4\u7684\u6982\u5ff5<\/h2>\n

  \u4fe1\u566a\u6bd4\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u662f\u7528\u6765\u8861\u91cf\u4fe1\u53f7\u548c\u566a\u58f0\u4e4b\u95f4\u7684\u6bd4\u7387\u3002<\/strong>\u4fe1\u566a\u6bd4\u53cd\u6620\u4e86\u4fe1\u53f7\u548c\u566a\u58f0\u4e4b\u95f4\u7684\u6bd4\u7387\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u8861\u91cf\u4fe1\u53f7\u7684\u8d28\u91cf\u548c\u566a\u58f0\u7684\u5f71\u54cd\u7a0b\u5ea6\u3002\u4fe1\u566a\u6bd4\u7684\u503c\u8d8a\u9ad8\uff0c\u8bf4\u660e\u4fe1\u53f7\u66f4\u5f3a\uff0c\u566a\u58f0\u66f4\u5f31\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002<\/p>\n

  \u4fe1\u566a\u6bd4\u7684\u503c\u53ef\u4ee5\u4ece\u4fe1\u53f7\u7684\u529f\u7387\u548c\u566a\u58f0\u7684\u529f\u7387\u8ba1\u7b97\u5f97\u51fa\u3002\u6b64\u5916\uff0c\u4fe1\u566a\u6bd4\u8fd8\u53ef\u4ee5\u4ece\u4fe1\u53f7\u7684\u5f3a\u5ea6\u548c\u566a\u58f0\u7684\u5f3a\u5ea6\u8ba1\u7b97\u5f97\u51fa\u3002<\/p>\n

\u4fe1\u566a\u6bd4\u7684\u5e94\u7528<\/h2>\n

  \u4fe1\u566a\u6bd4\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7535\u5b50\u5b66\u3001\u79fb\u52a8\u901a\u4fe1\u3001\u751f\u7269\u4fe1\u606f\u5b66\u548c\u5176\u4ed6\u9886\u57df\u3002<\/p>\n

\u7535\u5b50\u5b66<\/h3>\n

  \u5728\u7535\u5b50\u5b66\u4e2d\uff0c\u4fe1\u566a\u6bd4\u7528\u4e8e\u8861\u91cf\u4fe1\u53f7\u548c\u566a\u58f0\u4e4b\u95f4\u7684\u6bd4\u7387\uff0c\u4ee5\u786e\u5b9a\u4fe1\u53f7\u7684\u8d28\u91cf\u3002\u4f8b\u5982\uff0c\u5728\u6536\u97f3\u673a\u4e2d\uff0c\u4fe1\u566a\u6bd4\u53ef\u4ee5\u7528\u6765\u8861\u91cf\u6536\u97f3\u673a\u7684\u8d28\u91cf\u3002<\/p>\n

\u79fb\u52a8\u901a\u4fe1<\/h3>\n

  \u5728\u79fb\u52a8\u901a\u4fe1\u9886\u57df\uff0c\u4fe1\u566a\u6bd4\u7528\u4e8e\u8861\u91cf\u79fb\u52a8\u4fe1\u53f7\u7684\u8d28\u91cf\u3002\u4f8b\u5982\uff0c\u4fe1\u566a\u6bd4\u53ef\u4ee5\u7528\u6765\u8861\u91cf\u79fb\u52a8\u4fe1\u53f7\u7684\u5f3a\u5ea6\u548c\u566a\u58f0\u7684\u5f71\u54cd\u7a0b\u5ea6\uff0c\u4ee5\u786e\u5b9a\u4fe1\u53f7\u7684\u8d28\u91cf\u3002<\/p>\n

\u751f\u7269\u4fe1\u606f\u5b66<\/h3>\n

  \u5728\u751f\u7269\u4fe1\u606f\u5b66\u4e2d\uff0c\u4fe1\u566a\u6bd4\u7528\u4e8e\u8861\u91cf\u751f\u7269\u4fe1\u53f7\u7684\u8d28\u91cf\u3002\u4f8b\u5982\uff0c\u4fe1\u566a\u6bd4\u53ef\u4ee5\u7528\u6765\u8861\u91cf\u751f\u7269\u4fe1\u53f7\u7684\u5f3a\u5ea6\u548c\u566a\u58f0\u7684\u5f71\u54cd\u7a0b\u5ea6\uff0c\u4ee5\u786e\u5b9a\u4fe1\u53f7\u7684\u8d28\u91cf\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u4fe1\u566a\u6bd4\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u662f\u7528\u6765\u8861\u91cf\u4fe1\u53f7\u548c\u566a\u58f0\u4e4b\u95f4\u7684\u6bd4\u7387\u3002<\/strong>\u4fe1\u566a\u6bd4\u7684\u503c\u8d8a\u9ad8\uff0c\u8bf4\u660e\u4fe1\u53f7\u66f4\u5f3a\uff0c\u566a\u58f0\u66f4\u5f31\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u4fe1\u566a\u6bd4\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7535\u5b50\u5b66\u3001\u79fb\u52a8\u901a\u4fe1\u3001\u751f\u7269\u4fe1\u606f\u5b66\u7b49\u9886\u57df\uff0c\u53ef\u4ee5\u7528\u6765\u8861\u91cf\u4fe1\u53f7\u7684\u8d28\u91cf\u548c\u566a\u58f0\u7684\u5f71\u54cd\u7a0b\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4fe1\u566a\u6bd4\uff08Signal-to-Noise Ratio\uff0cSNR\uff09\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u662f\u7528\u6765\u8861\u91cf\u4fe1\u53f7\u548c\u566a\u58f0\u4e4b\u95f4\u7684\u6bd4\u7387\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7535\u5b50\u5b66\u3001\u79fb\u52a8\u901a\u4fe1\u3001\u751f\u7269\u4fe1\u606f\u5b66\u548c\u5176\u4ed6\u9886\u57df\u3002\u672c\u6587\u5c06\u4ecb<\/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":[185],"class_list":["post-27425","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-xzb"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/27425"}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=27425"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/27425\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=27425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=27425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=27425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}