{"id":67406,"date":"2023-12-20T02:05:01","date_gmt":"2023-12-19T18:05:01","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=67406"},"modified":"2023-12-20T02:05:01","modified_gmt":"2023-12-19T18:05:01","slug":"xzbddxdrl","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/67406.html","title":{"rendered":"\u4fe1\u566a\u6bd430db\u7684\u4fe1\u9053\u5bb9\u91cf"},"content":{"rendered":"

  \u4fe1\u566a\u6bd430db\u7684\u4fe1\u9053\u5bb9\u91cf\u662f\u6307\u5728\u4fe1\u53f7\u4f20\u8f93\u4e2d\uff0c\u4fe1\u53f7\u4e0e\u566a\u58f0\u7684\u6bd4\u503c\u4e3a30db\u65f6\uff0c\u4fe1\u9053\u6240\u80fd\u627f\u8f7d\u7684\u6700\u5927\u4fe1\u606f\u91cf\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u4fe1\u566a\u6bd430db\u7684\u4fe1\u9053\u5bb9\u91cf\u4ee5\u53ca\u5176\u5728\u901a\u4fe1\u9886\u57df\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n

\u4fe1\u53f7\u4e0e\u566a\u58f0\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

  \u5728\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u4fe1\u53f7\u4ee3\u8868\u4f20\u8f93\u7684\u4fe1\u606f\uff0c\u800c\u566a\u58f0\u5219\u662f\u7cfb\u7edf\u4e2d\u4e0d\u53ef\u907f\u514d\u7684\u5e72\u6270\u3002\u4fe1\u53f7\u4e0e\u566a\u58f0\u7684\u6bd4\u503c\u88ab\u79f0\u4e3a\u4fe1\u566a\u6bd4\uff08Signal-to-Noise Ratio\uff0cSNR\uff09\uff0c\u901a\u5e38\u4ee5db\u4e3a\u5355\u4f4d\u6765\u8868\u793a\u3002<\/p>\n

  \u4fe1\u53f7\u7684\u7279\u70b9<\/h3>\n

  \u4fe1\u53f7\u53ef\u4ee5\u662f\u6570\u5b57\u4fe1\u53f7\u6216\u6a21\u62df\u4fe1\u53f7\uff0c\u5b83\u4eec\u5728\u4fe1\u9053\u4e2d\u4f20\u8f93\u65f6\u4f1a\u53d7\u5230\u5e72\u6270\u548c\u8870\u51cf\u3002\u5728\u8f83\u4f4e\u7684\u4fe1\u566a\u6bd4\u4e0b\uff0c\u4fe1\u53f7\u53ef\u80fd\u4f1a\u4e25\u91cd\u53d7\u635f\uff0c\u751a\u81f3\u65e0\u6cd5\u88ab\u6062\u590d\u3002<\/p>\n

  \u566a\u58f0\u7684\u6765\u6e90<\/h3>\n

  \u566a\u58f0\u53ef\u4ee5\u6765\u81ea\u5404\u79cd\u56e0\u7d20\uff0c\u4f8b\u5982\u7535\u78c1\u5e72\u6270\u3001\u5668\u4ef6\u5185\u90e8\u7535\u5b50\u70ed\u566a\u58f0\u7b49\u3002\u5408\u7406\u7684\u4fe1\u566a\u6bd4\u53ef\u4ee5\u6709\u6548\u51cf\u5c0f\u566a\u58f0\u5bf9\u4fe1\u53f7\u4f20\u8f93\u7684\u5f71\u54cd\u3002<\/p>\n

\u4fe1\u566a\u6bd430db\u7684\u4fe1\u9053\u5bb9\u91cf<\/h2>\n

  \u4fe1\u566a\u6bd430db\u7684\u4fe1\u9053\u5bb9\u91cf\u6307\u7684\u662f\u5728\u4fe1\u566a\u6bd4\u4e3a30db\u65f6\uff0c\u4fe1\u9053<\/a>\u6240\u80fd\u4f20\u8f93\u7684\u6700\u5927\u4fe1\u606f\u91cf\u3002\u4fe1\u9053\u5bb9\u91cf\u662f\u901a\u4fe1\u7cfb\u7edf\u7684\u91cd\u8981\u6027\u80fd\u6307\u6807\uff0c\u5b83\u51b3\u5b9a\u4e86\u7cfb\u7edf\u53ef\u4ee5\u4f20\u8f93\u7684\u6700\u5927\u6570\u636e\u7387\u3002<\/p>\n

  \u4fe1\u606f\u7406\u8bba\u4ecb\u7ecd<\/h3>\n

  \u9999\u519c\u4fe1\u606f\u8bba\u63d0\u51fa\u4e86\u4fe1\u9053\u5bb9\u91cf\u7684\u6982\u5ff5\uff0c\u5176\u4e2d\u5305\u62ec\u4e86\u5728\u7ed9\u5b9a\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\u7684\u7406\u8bba\u6700\u5927\u4f20\u8f93\u901f\u7387\u3002\u4fe1\u566a\u6bd430db\u7684\u4fe1\u9053\u5bb9\u91cf\u5373\u4e3a\u5728\u4fe1\u566a\u6bd4<\/a>\u4e3a30db\u65f6\u7684\u6700\u5927\u4f20\u8f93\u901f\u7387<\/a>\u3002<\/p>\n

  \u5e94\u7528\u5b9e\u4f8b<\/h3>\n

  \u5728\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u786e\u4fdd\u4fe1\u566a\u6bd430db\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u5e76\u51cf\u5c0f\u9519\u8bef\u7387\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u65e0\u7ebf\u7f51\u7edc\u65f6\uff0c\u9700\u8981\u8003\u8651\u4fe1\u566a\u6bd4\u5bf9\u7cfb\u7edf\u6027\u80fd\u7684\u91cd\u8981\u5f71\u54cd\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u4fe1\u566a\u6bd430db\u7684\u4fe1\u9053\u5bb9\u91cf\u5728\u901a\u4fe1\u9886\u57df\u4e2d\u5177\u6709\u91cd\u8981\u610f\u4e49\uff0c\u5f71\u54cd\u7740\u6570\u636e\u4f20\u8f93\u6027\u80fd\u548c\u7cfb\u7edf\u7a33\u5b9a\u6027\u3002<\/strong>\u5408\u7406\u7684\u4fe1\u566a\u6bd4\u8bbe\u8ba1\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u9053\u5bb9\u91cf\uff0c\u4ece\u800c\u4f18\u5316\u901a\u4fe1\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4fe1\u566a\u6bd430db\u7684\u4fe1\u9053\u5bb9\u91cf\u662f\u6307\u5728\u4fe1\u53f7\u4f20\u8f93\u4e2d\uff0c\u4fe1\u53f7\u4e0e\u566a\u58f0\u7684\u6bd4\u503c\u4e3a30db\u65f6\uff0c\u4fe1\u9053\u6240\u80fd\u627f\u8f7d\u7684\u6700\u5927\u4fe1\u606f\u91cf\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u4fe1\u566a\u6bd430db\u7684\u4fe1\u9053\u5bb9\u91cf\u4ee5\u53ca\u5176\u5728\u901a\u4fe1\u9886\u57df\u4e2d\u7684\u91cd\u8981\u6027\u3002\u4fe1<\/p>\n","protected":false},"author":1,"featured_media":64231,"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-67406","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\/67406","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=67406"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/67406\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/64231"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=67406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=67406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=67406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}