{"id":74554,"date":"2024-01-12T20:35:55","date_gmt":"2024-01-12T12:35:55","guid":{"rendered":"\/\/www.viralrail.com\/?p=74554"},"modified":"2024-01-12T20:35:55","modified_gmt":"2024-01-12T12:35:55","slug":"fdbsyzyd","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/74554.html","title":{"rendered":"\u653e\u5927\u500d\u6570\u4e0e\u589e\u76cadb"},"content":{"rendered":"

  \u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u653e\u5927\u500d\u6570\u548c\u589e\u76cadb\u7684\u6982\u5ff5\uff0c\u5e76\u5256\u6790\u5b83\u4eec\u5728\u79d1\u5b66\u6280\u672f\u9886\u57df\u4e2d\u7684\u4f5c\u7528\u53ca\u5e94\u7528\u3002<\/p>\n

\u653e\u5927\u500d\u6570\uff1a\u79d1\u5b66\u6280\u672f\u4e2d\u7684\u91cd\u8981\u6982\u5ff5<\/h2>\n

  \u5728\u79d1\u5b66\u6280\u672f\u9886\u57df\u4e2d\uff0c\u653e\u5927\u500d\u6570\u662f\u6307\u8f93\u51fa\u4fe1\u53f7\u4e0e\u8f93\u5165\u4fe1\u53f7\u4e4b\u6bd4\u3002\u653e\u5927\u500d\u6570\u901a\u5e38\u7528\u4e8e\u63cf\u8ff0\u7535\u5b50\u653e\u5927\u5668\u3001\u5149\u5b66\u7cfb\u7edf\u548c\u58f0\u5b66\u7cfb\u7edf\u7684\u6027\u80fd\uff0c\u5982\u7535\u5b50\u653e\u5927\u5668\u7684\u653e\u5927\u500d\u6570\u51b3\u5b9a\u4e86\u4fe1\u53f7\u7684\u653e\u5927\u7a0b\u5ea6\u3002<\/p>\n

  \u653e\u5927\u500d\u6570\u7684\u8ba1\u7b97\u65b9\u6cd5<\/h3>\n

  \u653e\u5927\u500d\u6570\u901a\u5e38\u7528\u6570\u5b66\u516c\u5f0f\u6765\u8868\u793a\u3002\u5728\u7535\u5b50\u653e\u5927\u5668\u4e2d\uff0c\u653e\u5927\u500d\u6570\uff08A\uff09\u901a\u5e38\u7531\u8f93\u51fa\u7535\u538b\uff08Vout\uff09\u4e0e\u8f93\u5165\u7535\u538b\uff08Vin\uff09\u7684\u6bd4\u503c\u6765\u8ba1\u7b97\uff0c\u5373A = Vout\/Vin\u3002<\/p>\n

  \u653e\u5927\u500d\u6570\u7684\u5e94\u7528<\/h4>\n

  \u653e\u5927\u500d\u6570\u7684\u6982\u5ff5\u5728\u7535\u5b50\u5de5\u7a0b\u3001\u901a\u4fe1\u6280\u672f\u548c\u97f3\u9891\u8bbe\u5907\u4e2d\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u5728\u97f3\u54cd\u7cfb\u7edf\u4e2d\uff0c\u653e\u5927\u500d\u6570\u51b3\u5b9a\u4e86\u97f3\u9891\u4fe1\u53f7\u7684\u653e\u5927\u7a0b\u5ea6\uff0c\u8fdb\u800c\u5f71\u54cd\u97f3\u8d28\u548c\u97f3\u91cf\u3002<\/p>\n

\u589e\u76cadb\uff1a\u8861\u91cf\u4fe1\u53f7\u5f3a\u5ea6\u7684\u91cd\u8981\u6307\u6807<\/h2>\n

  \u589e\u76cadb\u662f\u7528\u6765\u8861\u91cf\u4fe1\u53f7\u5f3a\u5ea6\u7684\u91cd\u8981\u6307\u6807\uff0c\u7ecf\u5e38\u7528\u5728\u7535\u5b50\u3001\u65e0\u7ebf\u901a\u4fe1\u548c\u58f0\u97f3\u5904\u7406\u7b49\u9886\u57df\u3002<\/p>\n

  db\u7684\u542b\u4e49<\/h3>\n

  db\uff08\u5206\u8d1d\uff09\u662f\u4e00\u79cd\u5bf9\u6570\u5355\u4f4d\uff0c\u7528\u6765\u8868\u793a\u4e24\u4e2a\u6570\u91cf\u4e4b\u95f4\u7684\u6bd4\u7387\u6216\u8005\u4e24\u4e2a\u4fe1\u53f7\u4e4b\u95f4\u7684\u6bd4\u8f83\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5e38\u7528\u4e8e\u8868\u793a\u4fe1\u53f7\u7684\u529f\u7387\u53d8\u5316\u6216\u7535\u538b\u53d8\u5316\u3002<\/p>\n

  \u589e\u76cadb\u7684\u8ba1\u7b97\u516c\u5f0f<\/h4>\n

  \u589e\u76cadb\u53ef\u4ee5\u7528\u4ee5\u4e0b\u516c\u5f0f\u6765\u8ba1\u7b97\uff1aG(db) = 10 * log10(P2\/P1)\uff0c\u5176\u4e2dP2\u4ee3\u8868\u8f93\u51fa\u529f\u7387\uff0cP1\u4ee3\u8868\u8f93\u5165\u529f\u7387\u3002\u8fd9\u4e2a\u516c\u5f0f\u53ef\u4ee5\u7528\u4e8e\u8ba1\u7b97\u4fe1\u53f7\u7684\u589e\u76ca\u6216\u8870\u51cf\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u653e\u5927\u500d\u6570\u548c\u589e\u76cadb\u662f\u79d1\u5b66\u6280\u672f\u9886\u57df\u4e2d\u5e38\u7528\u7684\u6982\u5ff5\uff0c\u5b83\u4eec\u5bf9\u4e8e\u7535\u5b50\u3001\u5149\u5b66\u548c\u58f0\u5b66\u7cfb\u7edf\u7684\u8bbe\u8ba1\u548c\u5206\u6790\u81f3\u5173\u91cd\u8981\u3002<\/strong>\u4e86\u89e3\u548c\u638c\u63e1\u8fd9\u4e9b\u6982\u5ff5\u53ef\u4ee5\u5e2e\u52a9\u5de5\u7a0b\u5e08\u548c\u79d1\u5b66\u5bb6\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u4fe1\u53f7\u5904\u7406\u6280\u672f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u653e\u5927\u500d\u6570\u548c\u589e\u76cadb\u7684\u6982\u5ff5\uff0c\u5e76\u5256\u6790\u5b83\u4eec\u5728\u79d1\u5b66\u6280\u672f\u9886\u57df\u4e2d\u7684\u4f5c\u7528\u53ca\u5e94\u7528\u3002\u653e\u5927\u500d\u6570\uff1a\u79d1\u5b66\u6280\u672f\u4e2d\u7684\u91cd\u8981\u6982\u5ff5\u5728\u79d1\u5b66\u6280\u672f\u9886\u57df\u4e2d\uff0c\u653e\u5927\u500d\u6570\u662f\u6307\u8f93\u51fa\u4fe1\u53f7\u4e0e\u8f93\u5165\u4fe1\u53f7\u4e4b\u6bd4<\/p>\n","protected":false},"author":1,"featured_media":64183,"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-74554","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\/74554"}],"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=74554"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/74554\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/64183"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=74554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=74554"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=74554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}