{"id":20811,"date":"2023-10-05T19:58:58","date_gmt":"2023-10-05T11:58:58","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=20811"},"modified":"2023-10-05T19:58:58","modified_gmt":"2023-10-05T11:58:58","slug":"rhssmstm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/20811.html","title":{"rendered":"RSSI\u548cSNR\uff1a\u4ec0\u4e48\u662f\u5b83\u4eec\uff1f"},"content":{"rendered":"

  RSSI\u548cSNR\u662f\u65e0\u7ebf\u7535\u4fe1\u53f7\u5f3a\u5ea6\u7684\u4e24\u4e2a\u91cd\u8981\u6307\u6807\u3002<\/strong>\u5b83\u4eec\u662f\u65e0\u7ebf\u7535\u4fe1\u53f7\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u91cd\u8981\u53c2\u6570\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u4e86\u89e3\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u6027\u80fd\u548c\u7279\u6027\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bbaRSSI\u548cSNR\u7684\u6982\u5ff5\uff0c\u4ee5\u53ca\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n

RSSI\uff1a\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a<\/h2>\n

  RSSI\u662f\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a\uff08Received Signal Strength Indicator\uff09\u7684\u7f29\u5199\uff0c\u662f\u7528\u6765\u8861\u91cf\u65e0\u7ebf\u7535\u4fe1\u53f7\u5f3a\u5ea6\u7684\u91cd\u8981\u6307\u6807\u3002\u5b83\u53ef\u4ee5\u53cd\u6620\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u5f3a\u5f31\u7a0b\u5ea6\uff0c\u4ece\u800c\u5e2e\u52a9\u6211\u4eec\u4e86\u89e3\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u6027\u80fd\u3002<\/p>\n

  RSSI\u8868\u793a\u7684\u662f\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u63a5\u6536\u5f3a\u5ea6\uff0c\u5b83\u7684\u5355\u4f4d\u662fdBm\uff0c\u5176\u4e2ddBm\u7684\u8303\u56f4\u901a\u5e38\u662f-30\u5230-90dBm\u4e4b\u95f4\u3002\u6570\u503c\u8d8a\u63a5\u8fd10\uff0c\u8868\u793a\u4fe1\u53f7\u8d8a\u5f3a\uff1b\u6570\u503c\u8d8a\u63a5\u8fd1-90\uff0c\u8868\u793a\u4fe1\u53f7\u8d8a\u5f31\u3002<\/p>\n

RSSI\u7684\u4f18\u52bf<\/h3>\n

  RSSI\u5177\u6709\u5f88\u591a\u4f18\u52bf\uff0c\u4f8b\u5982\uff1a<\/p>\n

    \n
  •   \u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u4e86\u89e3\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u5f3a\u5ea6\uff0c\u4ece\u800c\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u63a7\u5236\u4fe1\u53f7\u7684\u4f20\u64ad\u8ddd\u79bb\u548c\u8986\u76d6\u8303\u56f4\u3002<\/li>\n
  •   \u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u63a7\u5236\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u4f20\u8f93\u901f\u7387\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u4f20\u8f93\u7684\u6548\u7387\u3002<\/li>\n
  •   \u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u63a7\u5236\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u8d28\u91cf\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n

    SNR\uff1a\u4fe1\u566a\u6bd4<\/h2>\n

      SNR\u662f\u4fe1\u566a\u6bd4\uff08Signal-to-Noise Ratio\uff09\u7684\u7f29\u5199\uff0c\u662f\u7528\u6765\u8861\u91cf\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u8d28\u91cf\u7684\u91cd\u8981\u6307\u6807\u3002\u5b83\u53ef\u4ee5\u53cd\u6620\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u566a\u58f0\u6c34\u5e73\uff0c\u4ece\u800c\u5e2e\u52a9\u6211\u4eec\u4e86\u89e3\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u6027\u80fd\u3002<\/p>\n

      SNR\u8868\u793a\u7684\u662f\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u4fe1\u566a\u6bd4\uff0c\u5b83\u7684\u5355\u4f4d\u662fdB\uff0c\u5176\u4e2ddB\u7684\u8303\u56f4\u901a\u5e38\u662f0\u523030dB\u4e4b\u95f4\u3002\u6570\u503c\u8d8a\u63a5\u8fd130\uff0c\u8868\u793a\u4fe1\u53f7\u8d28\u91cf\u8d8a\u9ad8\uff1b\u6570\u503c\u8d8a\u63a5\u8fd10\uff0c\u8868\u793a\u4fe1\u53f7\u8d28\u91cf\u8d8a\u4f4e\u3002<\/p>\n

    SNR\u7684\u4f18\u52bf<\/h3>\n

      SNR\u5177\u6709\u5f88\u591a\u4f18\u52bf\uff0c\u4f8b\u5982\uff1a<\/p>\n

      \n
    •   \u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u4e86\u89e3\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u8d28\u91cf\uff0c\u4ece\u800c\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u63a7\u5236\u4fe1\u53f7\u7684\u4f20\u8f93\u6548\u7387\u548c\u53ef\u9760\u6027\u3002<\/li>\n
    •   \u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u63a7\u5236\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u4f20\u8f93\u901f\u7387\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u4f20\u8f93\u7684\u6548\u7387\u3002<\/li>\n
    •   \u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u63a7\u5236\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n

      RSSI\u548cSNR\u4e4b\u95f4\u7684\u5173\u7cfb<\/h2>\n

        RSSI\u548cSNR\u4e4b\u95f4\u5b58\u5728\u4e00\u5b9a\u7684\u5173\u7cfb\uff0c\u5b83\u4eec\u53ef\u4ee5\u76f8\u4e92\u5f71\u54cd\u548c\u4fc3\u8fdb\u3002<\/p>\n

        \u9996\u5148\uff0cRSSI\u53ef\u4ee5\u5f71\u54cdSNR\u3002\u5f53RSSI\u589e\u52a0\u65f6\uff0cSNR\u4e5f\u4f1a\u968f\u4e4b\u589e\u52a0\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u901a\u8fc7\u63a7\u5236RSSI\u6765\u63d0\u9ad8SNR\uff0c\u4ece\u800c\u63d0\u9ad8\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u8d28\u91cf\u3002<\/p>\n

        \u5176\u6b21\uff0cSNR\u4e5f\u53ef\u4ee5\u5f71\u54cdRSSI\u3002\u5f53SNR\u589e\u52a0\u65f6\uff0cRSSI\u4e5f\u4f1a\u968f\u4e4b\u589e\u52a0\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u901a\u8fc7\u63d0\u9ad8SNR\u6765\u63d0\u9ad8RSSI\uff0c\u4ece\u800c\u63d0\u9ad8\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u5f3a\u5ea6\u3002<\/p>\n

        \u603b\u4e4b\uff0cRSSI\u548cSNR\u4e4b\u95f4\u5b58\u5728\u4e00\u5b9a\u7684\u5173\u7cfb\uff0c\u5b83\u4eec\u53ef\u4ee5\u76f8\u4e92\u5f71\u54cd\u548c\u4fc3\u8fdb\uff0c\u4ece\u800c\u63d0\u9ad8\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u6027\u80fd\u3002<\/p>\n

      \u603b\u7ed3<\/h2>\n

        RSSI\u548cSNR\u662f\u65e0\u7ebf\u7535\u4fe1\u53f7\u5f3a\u5ea6\u7684\u4e24\u4e2a\u91cd\u8981\u6307\u6807\u3002<\/strong>RSSI\u8868\u793a\u7684\u662f\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u63a5\u6536\u5f3a\u5ea6\uff0c\u5b83\u7684\u5355\u4f4d\u662fdBm\uff0c\u5176\u4e2ddBm\u7684\u8303\u56f4\u901a\u5e38\u662f-30\u5230-90dBm\u4e4b\u95f4\uff1bSNR\u8868\u793a\u7684\u662f\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u4fe1\u566a\u6bd4\uff0c\u5b83\u7684\u5355\u4f4d\u662fdB\uff0c\u5176\u4e2ddB\u7684\u8303\u56f4\u901a\u5e38\u662f0\u523030dB\u4e4b\u95f4\u3002RSSI\u548cSNR\u4e4b\u95f4\u5b58\u5728\u4e00\u5b9a\u7684\u5173\u7cfb\uff0c\u5b83\u4eec\u53ef\u4ee5\u76f8\u4e92\u5f71\u54cd\u548c\u4fc3\u8fdb\uff0c\u4ece\u800c\u63d0\u9ad8\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      RSSI\u548cSNR\u662f\u65e0\u7ebf\u7535\u4fe1\u53f7\u5f3a\u5ea6\u7684\u4e24\u4e2a\u91cd\u8981\u6307\u6807\u3002\u5b83\u4eec\u662f\u65e0\u7ebf\u7535\u4fe1\u53f7\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u91cd\u8981\u53c2\u6570\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u4e86\u89e3\u65e0\u7ebf\u7535\u4fe1\u53f7\u7684\u6027\u80fd\u548c\u7279\u6027\u3002\u5728\u672c<\/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-20811","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\/20811","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=20811"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/20811\/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=20811"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=20811"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=20811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}