{"id":6174,"date":"2023-07-11T21:55:01","date_gmt":"2023-07-11T13:55:01","guid":{"rendered":"\/\/www.dealsbon.com\/?p=6174"},"modified":"2023-09-25T10:31:52","modified_gmt":"2023-09-25T02:31:52","slug":"glzydzmhs","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/6174.html","title":{"rendered":"\u529f\u7387\u589e\u76cadb\u600e\u4e48\u6362\u7b97\uff1f"},"content":{"rendered":"\n

\u3000\u3000\u5728\u7535\u5b50\u9886\u57df\u4e2d\uff0c\u529f\u7387\u589e\u76ca\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u901a\u5e38\u7528\u6765\u8861\u91cf\u653e\u5927\u5668\u7684\u6027\u80fd\u3002\u800c\u529f\u7387\u589e\u76ca\u7684\u5355\u4f4d\u901a\u5e38\u662fdb\uff0c\u4f46\u662f\u5f88\u591a\u4eba\u4e0d\u77e5\u9053\u5982\u4f55\u5c06\u5176\u8f6c\u5316\u4e3a\u5176\u4ed6\u5355\u4f4d\u3002\u56e0\u6b64\uff0c\u672c\u6587\u5c06\u4f1a\u4ecb\u7ecd\u529f\u7387\u589e\u76cadb\u7684\u6362\u7b97\u65b9\u6cd5\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001\u529f\u7387\u589e\u76ca\u7684\u5b9a\u4e49<\/h2>\n\n\n\n

\u3000\u3000\u529f\u7387\u589e\u76ca\u662f\u6307\u4fe1\u53f7\u5728\u901a\u8fc7\u653e\u5927\u5668\u540e\u7684\u8f93\u51fa\u529f\u7387\u4e0e\u8f93\u5165\u529f\u7387\u4e4b\u6bd4\u3002\u901a\u5e38\u7528\u516c\u5f0f\u8868\u793a\u4e3a\uff1a<\/p>\n\n\n\n

\u3000\u3000\u529f\u7387\u589e\u76ca(G) = \u8f93\u51fa\u529f\u7387(Pout) \/ \u8f93\u5165\u529f\u7387(Pin)<\/strong><\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001\u529f\u7387\u589e\u76ca\u7684\u5355\u4f4d<\/h2>\n\n\n\n

\u3000\u3000\u529f\u7387\u589e\u76ca\u7684\u5355\u4f4d\u901a\u5e38\u662fdb\uff0c\u5373\u5206\u8d1d\u3002\u5206\u8d1d\u662f\u4e00\u4e2a\u65e0\u91cf\u7eb2\u7684\u5355\u4f4d\uff0c\u901a\u5e38\u7528\u6765\u8868\u793a\u4e24\u4e2a\u529f\u7387\u4e4b\u6bd4\u3002\u5728\u7535\u5b50\u9886\u57df\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u4f7f\u7528db\u6765\u8868\u793a\u529f\u7387\u589e\u76ca\u3001\u4fe1\u566a\u6bd4\u7b49\u6307\u6807\u3002<\/strong><\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001\u529f\u7387\u589e\u76cadb\u7684\u6362\u7b97<\/h2>\n\n\n\n

\u3000\u30001. db\u4e0e\u500d\u6570\u7684\u6362\u7b97<\/h3>\n\n\n\n

\u3000\u3000\u529f\u7387\u589e\u76cadb\u4e0e\u500d\u6570\u4e4b\u95f4\u7684\u6362\u7b97\u516c\u5f0f\u4e3a\uff1a<\/p>\n\n\n\n

\u3000\u3000G(db) = 10log10(G)<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5176\u4e2d\uff0cG\u4e3a\u500d\u6570\u3002\u4f8b\u5982\uff0c\u5f53G=2\u65f6\uff0c\u529f\u7387\u589e\u76ca\u4e3a3db;\u5f53G=10\u65f6\uff0c\u529f\u7387\u589e\u76ca\u4e3a10db\u3002<\/p>\n\n\n\n

\u3000\u30002. dbm\u4e0eW\u7684\u6362\u7b97<\/h3>\n\n\n\n

\u3000\u3000\u5728\u7535\u5b50\u9886\u57df\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u4f7f\u7528dbm\u6765\u8868\u793a\u529f\u7387\u3002dbm\u662f\u4ee51\u6beb\u74e6\u4e3a\u53c2\u8003\u7684\u529f\u7387\u5355\u4f4d\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06dbm\u8f6c\u5316\u4e3a\u74e6\u7279\uff0c\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u3000P(W) = 10^(P(dbm)\/10-3)<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5176\u4e2d\uff0cP(dbm)\u4e3adbm\u503c\u3002\u4f8b\u5982\uff0c\u5f53P(dbm)=20\u65f6\uff0c\u5bf9\u5e94\u7684\u529f\u7387\u4e3a0.1\u74e6\u7279\u3002<\/p>\n\n\n\n

\"\u70b9\u5bf9\u70b9\"<\/figure>\n\n\n\n

\u3000\u30003. dbW\u4e0eW\u7684\u6362\u7b97<\/h3>\n\n\n\n

\u3000\u3000dbW\u662f\u4ee51\u74e6\u7279\u4e3a\u53c2\u8003\u7684\u529f\u7387\u5355\u4f4d\u3002\u6211\u4eec\u53ef\u4ee5\u5c06dbW\u8f6c\u5316\u4e3a\u74e6\u7279\uff0c\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u3000P(W) = 10^(P(dbW)\/10)<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5176\u4e2d\uff0cP(dbW)\u4e3adbW\u503c\u3002\u4f8b\u5982\uff0c\u5f53P(dbW)=10\u65f6\uff0c\u5bf9\u5e94\u7684\u529f\u7387\u4e3a10\u74e6\u7279\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001\u5982\u4f55\u4f7f\u7528\u529f\u7387\u589e\u76cadb<\/h2>\n\n\n\n

\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u9700\u8981\u6839\u636e\u7535\u8def\u7684\u8bbe\u8ba1\u8981\u6c42\u548c\u6027\u80fd\u53c2\u6570\u6765\u9009\u62e9\u5408\u9002\u7684\u529f\u7387\u589e\u76ca\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u653e\u5927\u5668\u7684\u529f\u7387\u589e\u76ca\u8d8a\u5927\uff0c\u8f93\u51fa\u4fe1\u53f7\u7684\u5e45\u5ea6\u5c31\u8d8a\u5927\uff0c\u4f46\u540c\u65f6\u4e5f\u4f1a\u5e26\u6765\u66f4\u591a\u7684\u566a\u58f0\u548c\u5931\u771f\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u6765\u6743\u8861\u529f\u7387\u589e\u76ca\u4e0e\u5176\u4ed6\u6027\u80fd\u6307\u6807\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u4ee5\u8fbe\u5230\u6700\u4f73\u7684\u8bbe\u8ba1\u6548\u679c\u3002<\/p>\n\n\n\n

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

\u3000\u3000\u672c\u6587\u4ecb\u7ecd\u4e86\u529f\u7387\u589e\u76cadb\u7684\u5b9a\u4e49\u3001\u5355\u4f4d\u548c\u6362\u7b97\u65b9\u6cd5\uff0c\u5e0c\u671b\u80fd\u591f\u5bf9\u7535\u5b50\u5de5\u7a0b\u5e08\u548c\u7231\u597d\u8005\u6709\u6240\u5e2e\u52a9\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u6765\u9009\u62e9\u5408\u9002\u7684\u529f\u7387\u589e\u76ca\uff0c\u4ee5\u8fbe\u5230\u6700\u4f73\u7684\u8bbe\u8ba1\u6548\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728\u7535\u5b50\u9886\u57df\u4e2d\uff0c\u529f\u7387\u589e\u76ca\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u901a\u5e38\u7528\u6765\u8861\u91cf\u653e\u5927\u5668\u7684\u6027\u80fd\u3002\u800c\u529f\u7387\u589e\u76ca\u7684\u5355\u4f4d\u901a\u5e38\u662fdb\uff0c\u4f46\u662f\u5f88\u591a\u4eba\u4e0d\u77e5\u9053\u5982\u4f55\u5c06\u5176\u8f6c\u5316\u4e3a\u5176\u4ed6\u5355\u4f4d\u3002\u56e0\u6b64\uff0c\u672c\u6587\u5c06\u4f1a\u4ecb\u7ecd\u529f\u7387\u589e\u76cadb\u7684\u6362\u7b97\u65b9\u6cd5\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":[45],"class_list":["post-6174","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-txxt"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/6174"}],"collection":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/comments?post=6174"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/6174\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media?parent=6174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=6174"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=6174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}