{"id":20829,"date":"2023-10-04T23:32:14","date_gmt":"2023-10-04T15:32:14","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=20829"},"modified":"2023-10-04T23:32:14","modified_gmt":"2023-10-04T15:32:14","slug":"rzzmk","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/20829.html","title":{"rendered":"RSSI\u503c\u600e\u4e48\u770b"},"content":{"rendered":"

  RSSI\uff08Received Signal Strength Indication\uff09\uff0c\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a\uff0c\u662f\u65e0\u7ebf\u7f51\u7edc\u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u6307\u6807\uff0c\u5b83\u53ef\u4ee5\u53cd\u6620\u65e0\u7ebf\u7f51\u7edc\u7684\u8986\u76d6\u8303\u56f4\u548c\u4fe1\u53f7\u8d28\u91cf\u3002<\/strong>\u672c\u6587\u5c06\u4ecb\u7ecdRSSI\u503c\u7684\u6982\u5ff5\u3001\u8ba1\u7b97\u65b9\u6cd5\u4ee5\u53ca\u5982\u4f55\u89e3\u8bfbRSSI\u503c\u3002<\/p>\n

\u4ec0\u4e48\u662fRSSI\u503c<\/h2>\n

  RSSI\uff08Received Signal Strength Indication\uff09\uff0c\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a\uff0c\u662f\u65e0\u7ebf\u7f51\u7edc\u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u6307\u6807\uff0c\u5b83\u53ef\u4ee5\u53cd\u6620\u65e0\u7ebf\u7f51\u7edc\u7684\u8986\u76d6\u8303\u56f4\u548c\u4fe1\u53f7\u8d28\u91cf\u3002<\/strong>RSSI\u503c\u662f\u4e00\u4e2a\u8861\u91cf\u65e0\u7ebf\u4fe1\u53f7\u5f3a\u5ea6\u7684\u53c2\u6570\uff0c\u5b83\u53ef\u4ee5\u53cd\u6620\u63a5\u6536\u5230\u7684\u65e0\u7ebf\u4fe1\u53f7\u7684\u5f3a\u5ea6\uff0c\u5355\u4f4d\u662fdBm\uff08\u6beb\u74e6\uff09\u3002RSSI\u503c\u53ef\u4ee5\u7528\u6765\u5224\u65ad\u65e0\u7ebf\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\uff0c\u4ee5\u53ca\u4fe1\u53f7\u7684\u8d28\u91cf\u3002<\/p>\n

RSSI\u503c\u7684\u8ba1\u7b97<\/h2>\n

RSSI\u503c\u7684\u8ba1\u7b97\u516c\u5f0f<\/h3>\n

  RSSI\u503c\u7684\u8ba1\u7b97\u662f\u901a\u8fc7\u65e0\u7ebf\u4fe1\u53f7\u7684\u63a5\u6536\u529f\u7387\u548c\u63a5\u6536\u4fe1\u53f7\u7684\u566a\u58f0\u529f\u7387\u4e4b\u5dee\u6765\u8ba1\u7b97\u7684\uff0c\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n

  RSSI = P_rec – P_noise<\/p>\n

RSSI\u503c\u7684\u8ba1\u7b97\u539f\u7406<\/h3>\n

  RSSI\u503c\u7684\u8ba1\u7b97\u539f\u7406\u662f\uff1a\u901a\u8fc7\u63a5\u6536\u5230\u7684\u65e0\u7ebf\u4fe1\u53f7\u7684\u529f\u7387\u548c\u566a\u58f0\u529f\u7387\u4e4b\u5dee\u6765\u8ba1\u7b97RSSI\u503c\u3002RSSI\u503c\u8868\u793a\u7684\u662f\u65e0\u7ebf\u4fe1\u53f7\u7684\u5b9e\u9645\u5f3a\u5ea6\uff0c\u5b83\u53ef\u4ee5\u53cd\u6620\u65e0\u7ebf\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u548c\u4fe1\u53f7\u8d28\u91cf\u3002<\/p>\n

\u5982\u4f55\u89e3\u8bfbRSSI\u503c<\/h2>\n

RSSI\u503c\u7684\u53d6\u503c\u8303\u56f4<\/h3>\n

  RSSI\u503c\u7684\u53d6\u503c\u8303\u56f4\u4e00\u822c\u4e3a-30 dBm\u5230-100 dBm\u3002\u5176\u4e2d\uff0c-30 dBm\u8868\u793a\u65e0\u7ebf\u4fe1\u53f7\u6700\u5f3a\uff0c-100 dBm\u8868\u793a\u65e0\u7ebf\u4fe1\u53f7\u6700\u5f31\u3002<\/p>\n

RSSI\u503c\u7684\u89e3\u8bfb\u65b9\u6cd5<\/h3>\n

  RSSI\u503c\u53ef\u4ee5\u7528\u6765\u53cd\u6620\u65e0\u7ebf\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u548c\u4fe1\u53f7\u8d28\u91cf\u3002\u4e00\u822c\u6765\u8bf4\uff0cRSSI\u503c\u8d8a\u5927\uff0c\u65e0\u7ebf\u4fe1\u53f7\u8d8a\u5f3a\uff0c\u65e0\u7ebf\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u4e5f\u8d8a\u5927\uff1bRSSI\u503c\u8d8a\u5c0f\uff0c\u65e0\u7ebf\u4fe1\u53f7\u8d8a\u5f31\uff0c\u65e0\u7ebf\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u4e5f\u8d8a\u5c0f\u3002<\/p>\n

RSSI\u503c\u7684\u89e3\u8bfb\u53c2\u8003<\/h3>\n

  RSSI\u503c\u7684\u89e3\u8bfb\u53c2\u8003\u5982\u4e0b\uff1a<\/p>\n

    \n
  •   -30 dBm\u4ee5\u4e0a\uff1a\u65e0\u7ebf\u4fe1\u53f7\u975e\u5e38\u5f3a\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u4f20\u8f93\uff1b<\/li>\n
  •   -50 dBm\uff1a\u65e0\u7ebf\u4fe1\u53f7\u8f83\u5f3a\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6b63\u5e38\u901f\u7387\u4f20\u8f93\uff1b<\/li>\n
  •   -70 dBm\uff1a\u65e0\u7ebf\u4fe1\u53f7\u8f83\u5f31\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4f4e\u901f\u4f20\u8f93\uff1b<\/li>\n
  •   -90 dBm\u4ee5\u4e0b\uff1a\u65e0\u7ebf\u4fe1\u53f7\u975e\u5e38\u5f31\uff0c\u65e0\u6cd5\u5b9e\u73b0\u6b63\u5e38\u4f20\u8f93\u3002<\/li>\n<\/ul>\n

    \u603b\u7ed3<\/h2>\n

      RSSI\uff08Received Signal Strength Indication\uff09\uff0c\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a\uff0c\u662f\u65e0\u7ebf\u7f51\u7edc\u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u6307\u6807\uff0c\u5b83\u53ef\u4ee5\u53cd\u6620\u65e0\u7ebf\u7f51\u7edc\u7684\u8986\u76d6\u8303\u56f4\u548c\u4fe1\u53f7\u8d28\u91cf\u3002<\/strong>RSSI\u503c\u7684\u8ba1\u7b97\u662f\u901a\u8fc7\u65e0\u7ebf\u4fe1\u53f7\u7684\u63a5\u6536\u529f\u7387\u548c\u63a5\u6536\u4fe1\u53f7\u7684\u566a\u58f0\u529f\u7387\u4e4b\u5dee\u6765\u8ba1\u7b97\u7684\uff0c\u5176\u53d6\u503c\u8303\u56f4\u4e00\u822c\u4e3a-30 dBm\u5230-100 dBm\uff0c\u5b83\u53ef\u4ee5\u53cd\u6620\u65e0\u7ebf\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u548c\u4fe1\u53f7\u8d28\u91cf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    RSSI\uff08ReceivedSignalStrengthIndication\uff09\uff0c\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a\uff0c\u662f\u65e0\u7ebf\u7f51\u7edc\u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u6307\u6807\uff0c\u5b83\u53ef\u4ee5\u53cd\u6620\u65e0\u7ebf\u7f51\u7edc\u7684\u8986\u76d6<\/p>\n","protected":false},"author":1,"featured_media":3671,"comment_status":"closed","ping_status":"open","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":[138],"class_list":["post-20829","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-rssi"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/20829","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=20829"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/20829\/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=20829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=20829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=20829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}