\u3000\u3000\u4fe1\u566a\u6bd4\u662f\u4e00\u79cd\u7528\u4e8e\u8861\u91cf\u4fe1\u53f7\u8d28\u91cf\u7684\u6307\u6807\uff0c\u4e5f\u662f\u8861\u91cf\u901a\u4fe1\u7cfb\u7edf\u6027\u80fd\u7684\u91cd\u8981\u53c2\u6570\u4e4b\u4e00\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u4fe1\u53f7\u548c\u566a\u58f0\u662f\u540c\u65f6\u5b58\u5728\u7684\uff0c\u4fe1\u566a\u6bd4\u5c31\u662f\u4fe1\u53f7\u529f\u7387\u4e0e\u566a\u58f0\u529f\u7387\u4e4b\u6bd4\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4fe1\u566a\u6bd4\u7684\u503c\u8d8a\u5927\uff0c\u8868\u793a\u4fe1\u53f7\u8d28\u91cf\u8d8a\u597d\uff0c\u7cfb\u7edf\u6027\u80fd\u4e5f\u8d8a\u597d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u566a\u6bd4\u7684\u8ba1\u7b97\u516c\u5f0f\u4e3as\/n\uff0c\u5176\u4e2ds\u8868\u793a\u4fe1\u53f7\u529f\u7387\uff0cn\u8868\u793a\u566a\u58f0\u529f\u7387\u3002\u5728\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u4fe1\u53f7\u529f\u7387\u901a\u5e38\u662f\u6307\u4fe1\u53f7\u7684\u5e73\u5747\u529f\u7387\uff0c\u566a\u58f0\u529f\u7387\u5219\u662f\u6307\u6240\u6709\u566a\u58f0\u6e90\u4ea7\u751f\u7684\u529f\u7387\u4e4b\u548c\u3002\u4fe1\u566a\u6bd4\u53ef\u4ee5\u7528\u5206\u8d1d(dB)\u8868\u793a\uff0c\u901a\u5e38\u7528dB\u8868\u793a\uff0c\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1aSNR = 10log10(s\/n)<\/strong>\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4fe1\u53f7\u548c\u566a\u58f0\u7684\u529f\u7387\u53ef\u4ee5\u901a\u8fc7\u4e0d\u540c\u7684\u65b9\u6cd5\u8fdb\u884c\u6d4b\u91cf\u3002\u4f8b\u5982\uff0c\u5728\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u6d4b\u91cf\u63a5\u6536\u4fe1\u53f7\u7684\u529f\u7387\u548c\u566a\u58f0\u529f\u7387\u6765\u8ba1\u7b97\u4fe1\u566a\u6bd4\u3002\u5728\u97f3\u9891\u5904\u7406\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u6d4b\u91cf\u97f3\u9891\u4fe1\u53f7\u7684\u529f\u7387\u548c\u80cc\u666f\u566a\u58f0\u7684\u529f\u7387\u6765\u8ba1\u7b97\u4fe1\u566a\u6bd4\u3002<\/p>\n\n\n\n \u3000\u3000\u9664\u4e86\u8ba1\u7b97\u4fe1\u566a\u6bd4\u5916\uff0c\u8fd8\u53ef\u4ee5\u91c7\u53d6\u4e00\u4e9b\u63aa\u65bd\u6765\u63d0\u9ad8\u4fe1\u566a\u6bd4\u3002\u4f8b\u5982\uff0c\u5728\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u91c7\u7528\u4e00\u4e9b\u6280\u672f\u6765\u51cf\u5c11\u566a\u58f0\u7684\u5e72\u6270\uff0c\u5982\u9891\u8c31\u5206\u6790\u3001\u4fe1\u9053\u7f16\u7801\u3001\u667a\u80fd\u5929\u7ebf\u7b49\u3002\u5728\u97f3\u9891\u5904\u7406\u4e2d\uff0c\u53ef\u4ee5\u91c7\u7528\u964d\u566a\u7b97\u6cd5\u6765\u51cf\u5c11\u80cc\u666f\u566a\u58f0\u7684\u5e72\u6270\uff0c\u5982\u8c31\u51cf\u6cd5\u3001\u58f0\u5b66\u6ee4\u6ce2\u7b49\u3002<\/p>\n\n\n\n \u3000\u3000\u603b\u4e4b\uff0c\u4fe1\u566a\u6bd4\u662f\u8861\u91cf\u4fe1\u53f7\u8d28\u91cf\u7684\u91cd\u8981\u6307\u6807\u4e4b\u4e00\uff0c\u4e5f\u662f\u8861\u91cf\u901a\u4fe1\u7cfb\u7edf\u6027\u80fd\u7684\u91cd\u8981\u53c2\u6570\u4e4b\u4e00\u3002\u901a\u8fc7\u8ba1\u7b97\u4fe1\u566a\u6bd4\u548c\u91c7\u53d6\u4e00\u4e9b\u63aa\u65bd\u6765\u63d0\u9ad8\u4fe1\u566a\u6bd4\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u548c\u4fe1\u53f7\u8d28\u91cf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \u4fe1\u566a\u6bd4\u662f\u4e00\u79cd\u7528\u4e8e\u8861\u91cf\u4fe1\u53f7\u8d28\u91cf\u7684\u6307\u6807\uff0c\u4e5f\u662f\u8861\u91cf\u901a\u4fe1\u7cfb\u7edf\u6027\u80fd\u7684\u91cd\u8981\u53c2\u6570\u4e4b\u4e00\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u4fe1\u53f7\u548c\u566a\u58f0\u662f\u540c\u65f6\u5b58\u5728\u7684\uff0c\u4fe1\u566a\u6bd4\u5c31\u662f\u4fe1\u53f7\u529f\u7387\u4e0e\u566a\u58f0\u529f\u7387\u4e4b\u6bd4\u3002<\/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-7505","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\/7505","targetHints":{"allow":["GET"]}}],"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=7505"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/7505\/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=7505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=7505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=7505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}