{"id":38232,"date":"2023-09-24T14:06:45","date_gmt":"2023-09-24T06:06:45","guid":{"rendered":"\/\/www.viralrail.com\/?p=38232"},"modified":"2023-09-24T14:06:51","modified_gmt":"2023-09-24T06:06:51","slug":"hbshhsgxdm","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/38232.html","title":{"rendered":"\u56de\u6ce2\u635f\u8017\u548cs11\u5173\u7cfb\u5927\u5417\uff1f"},"content":{"rendered":"\n

\u3000\u3000\u5728\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u56de\u6ce2\u635f\u8017(Return Loss)<\/strong>\u548cS11\u53c2\u6570\u662f\u4e24\u4e2a\u91cd\u8981\u7684\u6027\u80fd\u6307\u6807\u3002\u5b83\u4eec\u5728\u8bc4\u4f30\u65e0\u7ebf\u8bbe\u5907\u548c\u5929\u7ebf\u7684\u6027\u80fd\u65b9\u9762\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u56de\u6ce2\u635f\u8017\u548cS11\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u5e76\u63a2\u8ba8\u5b83\u4eec\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001\u56de\u6ce2\u635f\u8017\u548cS11\u7684\u5b9a\u4e49<\/h2>\n\n\n\n

\u3000\u30001. \u56de\u6ce2\u635f\u8017(Return Loss)\u662f\u6307\u4fe1\u53f7\u4ece\u4e00\u4e2a\u7cfb\u7edf\u7684\u8f93\u51fa\u7aef\u53cd\u5c04\u56de\u8f93\u5165\u7aef\u65f6\u6240\u5f15\u8d77\u7684\u4fe1\u53f7\u635f\u8017\u3002<\/strong>\u5b83\u901a\u5e38\u7528\u5206\u8d1d(dB)\u6765\u8868\u793a\uff0c\u6570\u503c\u8d8a\u5927\u8868\u793a\u56de\u6ce2\u635f\u8017\u8d8a\u5c0f\uff0c\u5373\u53cd\u5c04\u8d8a\u5c11\u3002<\/p>\n\n\n\n

\u3000\u30002. S11\u662f\u6307\u7535\u78c1\u6ce2\u5728\u4fe1\u53f7\u6e90\u4e0e\u5929\u7ebf\u4e4b\u95f4\u7684\u5339\u914d\u7a0b\u5ea6\u3002<\/strong>\u5b83\u662f\u901a\u8fc7\u6d4b\u91cf\u53cd\u5c04\u7cfb\u6570\u6765\u8868\u793a\u7684\uff0c\u5176\u6570\u503c\u8303\u56f4\u4e3a0\u52301.\u5f53S11\u63a5\u8fd1\u4e8e0\u65f6\uff0c\u8868\u793a\u4fe1\u53f7\u6e90\u4e0e\u5929\u7ebf\u4e4b\u95f4\u7684\u5339\u914d\u5ea6\u5f88\u9ad8\uff0c\u53cd\u5c04\u8f83\u5c0f;\u5f53S11\u63a5\u8fd1\u4e8e1\u65f6\uff0c\u8868\u793a\u4fe1\u53f7\u6e90\u4e0e\u5929\u7ebf\u4e4b\u95f4\u7684\u5339\u914d\u5ea6\u8f83\u5dee\uff0c\u53cd\u5c04\u8f83\u5927\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001\u56de\u6ce2\u635f\u8017\u4e0eS11\u7684\u5173\u7cfb<\/h2>\n\n\n\n

\u3000\u3000\u56de\u6ce2\u635f\u8017\u548cS11\u4e4b\u95f4\u5b58\u5728\u7740\u5bc6\u5207\u7684\u5173\u7cfb\u3002\u56de\u6ce2\u635f\u8017\u662f\u901a\u8fc7S11\u53c2\u6570\u6765\u8ba1\u7b97\u7684\u3002\u5177\u4f53\u800c\u8a00\uff0c\u56de\u6ce2\u635f\u8017\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97\uff1a<\/p>\n\n\n\n

\u3000\u3000Return Loss (dB) = -20 * log10(S11)<\/strong><\/p>\n\n\n\n

\u3000\u3000\u4ece\u8fd9\u4e2a\u516c\u5f0f\u53ef\u4ee5\u770b\u51fa\uff0c\u5f53S11\u7684\u6570\u503c\u8d8a\u5c0f\uff0c\u56de\u6ce2\u635f\u8017\u7684\u6570\u503c\u5c31\u8d8a\u5927\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5f53\u4fe1\u53f7\u6e90\u4e0e\u5929\u7ebf\u4e4b\u95f4\u7684\u5339\u914d\u5ea6\u8d8a\u9ad8\uff0c\u56de\u6ce2\u635f\u8017\u5c31\u8d8a\u5c0f\uff0c\u53cd\u5c04\u5c31\u8d8a\u5c11\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001\u56de\u6ce2\u635f\u8017\u548cS11\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\u7684\u5e94\u7528<\/h2>\n\n\n\n

\u3000\u30001. \u8bc4\u4f30\u5929\u7ebf\u6027\u80fd<\/strong>\uff1a\u56de\u6ce2\u635f\u8017\u548cS11\u662f\u8bc4\u4f30\u5929\u7ebf\u6027\u80fd\u7684\u91cd\u8981\u6307\u6807\u3002\u901a\u8fc7\u6d4b\u91cf\u56de\u6ce2\u635f\u8017\u6216S11.\u53ef\u4ee5\u5224\u65ad\u5929\u7ebf\u4e0e\u4fe1\u53f7\u6e90\u4e4b\u95f4\u7684\u5339\u914d\u7a0b\u5ea6\u3002\u8f83\u4f4e\u7684\u56de\u6ce2\u635f\u8017\u6216S11\u503c\u8868\u793a\u5929\u7ebf\u6027\u80fd\u8f83\u597d\uff0c\u80fd\u591f\u66f4\u6709\u6548\u5730\u4f20\u8f93\u4fe1\u53f7\u3002<\/p>\n\n\n\n

\u3000\u30002. \u4f18\u5316\u65e0\u7ebf\u7cfb\u7edf<\/strong>\uff1a\u901a\u8fc7\u8c03\u6574\u5929\u7ebf\u53c2\u6570\u548c\u4fe1\u53f7\u6e90\u7684\u5339\u914d\u5ea6\uff0c\u53ef\u4ee5\u4f18\u5316\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u7684\u6027\u80fd\u3002\u901a\u8fc7\u6d4b\u91cf\u56de\u6ce2\u635f\u8017\u548cS11.\u53ef\u4ee5\u786e\u5b9a\u662f\u5426\u9700\u8981\u8c03\u6574\u5929\u7ebf\u7684\u4f4d\u7f6e\u6216\u6539\u53d8\u5929\u7ebf\u7684\u8bbe\u8ba1\uff0c\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u7684\u4f20\u8f93\u6548\u679c\u3002<\/p>\n\n\n\n

\u3000\u30003. \u51cf\u5c11\u4fe1\u53f7\u5e72\u6270<\/strong>\uff1a\u9ad8\u56de\u6ce2\u635f\u8017\u548c\u8f83\u4f4e\u7684S11\u503c\u53ef\u4ee5\u51cf\u5c11\u4fe1\u53f7\u7684\u53cd\u5c04\u548c\u5e72\u6270\u3002\u901a\u8fc7\u4f18\u5316\u5929\u7ebf\u548c\u4fe1\u53f7\u6e90\u7684\u5339\u914d\u5ea6\uff0c\u53ef\u4ee5\u964d\u4f4e\u4fe1\u53f7\u7684\u53cd\u5c04\u548c\u5e72\u6270\uff0c\u63d0\u9ad8\u901a\u4fe1\u7684\u8d28\u91cf\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

\u3000\u30004. \u4fe1\u53f7\u8d28\u91cf\u76d1\u6d4b<\/strong>\uff1a\u56de\u6ce2\u635f\u8017\u548cS11\u53ef\u4ee5\u7528\u4e8e\u76d1\u6d4b\u4fe1\u53f7\u7684\u8d28\u91cf\u3002\u901a\u8fc7\u5b9a\u671f\u6d4b\u91cf\u56de\u6ce2\u635f\u8017\u6216S11\u503c\uff0c\u53ef\u4ee5\u53ca\u65f6\u53d1\u73b0\u4fe1\u53f7\u4f20\u8f93\u4e2d\u7684\u95ee\u9898\uff0c\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u63aa\u65bd\u8fdb\u884c\u8c03\u6574\u548c\u4fee\u590d\u3002<\/p>\n\n\n\n

\u3000\u3000\u7ed3\u8bba\uff1a<\/h2>\n\n\n\n

\u3000\u3000\u56de\u6ce2\u635f\u8017\u548cS11\u662f\u65e0\u7ebf\u901a\u4fe1\u4e2d\u91cd\u8981\u7684\u6027\u80fd\u6307\u6807\uff0c\u7528\u4e8e\u8bc4\u4f30\u5929\u7ebf\u548c\u4fe1\u53f7\u6e90\u4e4b\u95f4\u7684\u5339\u914d\u7a0b\u5ea6\u3002\u901a\u8fc7\u6d4b\u91cf\u56de\u6ce2\u635f\u8017\u548cS11.\u53ef\u4ee5\u4f18\u5316\u65e0\u7ebf\u7cfb\u7edf\u7684\u6027\u80fd\uff0c\u51cf\u5c11\u4fe1\u53f7\u5e72\u6270\uff0c\u5e76\u76d1\u6d4b\u4fe1\u53f7\u7684\u8d28\u91cf\u3002\u5728\u672a\u6765\u7684\u65e0\u7ebf\u901a\u4fe1\u53d1\u5c55\u4e2d\uff0c\u56de\u6ce2\u635f\u8017\u548cS11\u4ecd\u5c06\u8d77\u7740\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u9700\u8981\u4e0d\u65ad\u63d0\u9ad8\u548c\u4f18\u5316\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u56de\u6ce2\u635f\u8017(Return Loss)\u548cS11\u53c2\u6570\u662f\u4e24\u4e2a\u91cd\u8981\u7684\u6027\u80fd\u6307\u6807\u3002\u5b83\u4eec\u5728\u8bc4\u4f30\u65e0\u7ebf\u8bbe\u5907\u548c\u5929\u7ebf\u7684\u6027\u80fd\u65b9\u9762\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002<\/p>\n","protected":false},"author":1,"featured_media":1941,"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":[297],"class_list":["post-38232","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-hbsh"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/38232"}],"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=38232"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/38232\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/1941"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=38232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=38232"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=38232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}