{"id":91430,"date":"2024-04-16T12:00:33","date_gmt":"2024-04-16T04:00:33","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=91430"},"modified":"2024-04-16T12:00:37","modified_gmt":"2024-04-16T04:00:37","slug":"rzssmys","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/91430.html","title":{"rendered":"RSSI\u503c\u662f\u4ec0\u4e48\u610f\u601d"},"content":{"rendered":"\n

\u3000\u3000RSSI\u503c<\/strong>\uff0c\u5373\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a(Received Signal Strength Indication)<\/strong>\uff0c\u662f\u8861\u91cf\u65e0\u7ebf\u901a\u4fe1\u8bbe\u5907\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u5f3a\u5ea6\u7684\u4e00\u4e2a\u6307\u6807\u3002\u5b83\u901a\u5e38\u4ee5\u8d1f\u6570dBm\u4e3a\u5355\u4f4d\u8868\u793a\uff0c\u6570\u503c\u8d8a\u5927\u8868\u793a\u4fe1\u53f7\u8d8a\u5f3a\u3002RSSI\u503c\u968f\u8ddd\u79bb\u7684\u589e\u5927\u800c\u8870\u51cf\uff0c\u901a\u5e38\u4e3a\u8d1f\u503c\uff0c\u8be5\u503c\u8d8a\u63a5\u8fd1\u96f6\u8bf4\u660e\u4fe1\u53f7\u5f3a\u5ea6\u8d8a\u9ad8\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 RSSI\u503c\u7684\u8ba1\u7b97\u65b9\u6cd5\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

\u3000\u3000RSSI\u503c\u7684\u8ba1\u7b97\u65b9\u6cd5\u662f\uff1aRSSI = -10 n log10(d) + A\uff0c\u5176\u4e2dn\u662f\u73af\u5883\u8870\u51cf\u56e0\u5b50\uff0cd\u662f\u4fe1\u53f7\u6e90\u5230\u63a5\u6536\u7aef\u7684\u8ddd\u79bb\uff0cA\u662f\u63a5\u6536\u7aef\u7684\u53d1\u5c04\u529f\u7387\u3002<\/strong>\u8fd9\u4e2a\u516c\u5f0f\u8bf4\u660e\u4e86RSSI\u503c\u662f\u5982\u4f55\u6839\u636e\u4fe1\u53f7\u6e90\u4e0e\u63a5\u6536\u7aef\u4e4b\u95f4\u7684\u8ddd\u79bb\u4ee5\u53ca\u73af\u5883\u56e0\u7d20\u6765\u8ba1\u7b97\u7684\u3002\u6b64\u5916\uff0c\u8fd8\u6709\u53e6\u4e00\u79cd\u8868\u8fbe\u65b9\u5f0f\u7528\u4e8e\u8ba1\u7b97\u8ddd\u79bb\uff0c\u5373d=10^((ABS(RSSI)-A)\/(10*n))\uff0c\u8fd9\u8868\u660e\u53ef\u4ee5\u901a\u8fc7\u5df2\u77e5\u7684RSSI\u503c\u53cd\u63a8\u51fa\u4fe1\u53f7\u6e90\u4e0e\u63a5\u6536\u7aef\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u4f53\u73b0\u4e86RSSI\u503c\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\u7684\u91cd\u8981\u6027\uff0c\u5b83\u4e0d\u4ec5\u5173\u7cfb\u5230\u4fe1\u53f7\u7684\u5f3a\u5ea6\uff0c\u8fd8\u6d89\u53ca\u5230\u4fe1\u53f7\u4f20\u64ad\u8fc7\u7a0b\u4e2d\u7684\u5404\u79cd\u56e0\u7d20\uff0c\u5982\u73af\u5883\u8870\u51cf\u548c\u4fe1\u53f7\u6e90\u7684\u53d1\u5c04\u529f\u7387\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 \u5982\u4f55\u6839\u636eRSSI\u503c\u5224\u65ad\u65e0\u7ebf\u4fe1\u53f7\u7684\u8d28\u91cf\u548c\u7a33\u5b9a\u6027?<\/h2>\n\n\n\n

\u3000\u3000\u6839\u636eRSSI\u503c\u5224\u65ad\u65e0\u7ebf\u4fe1\u53f7\u7684\u8d28\u91cf\u548c\u7a33\u5b9a\u6027\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3RSSI\u503c\u7684\u542b\u4e49\u53ca\u5176\u5bf9\u65e0\u7ebf\u7f51\u7edc\u6027\u80fd\u7684\u5f71\u54cd\u3002RSSI(Received Signal Strength Indicator)\u503c\u662f\u8861\u91cf\u65e0\u7ebf\u4fe1\u53f7\u5f3a\u5ea6\u7684\u4e00\u4e2a\u91cd\u8981\u6307\u6807\uff0c\u901a\u5e38\u7528dBm\u6765\u8868\u793a\u3002RSSI\u503c\u8d8a\u5927\uff0c\u8868\u793a\u5f53\u524d\u7f51\u7edc\u4fe1\u53f7\u8f83\u597d;\u53cd\u4e4b\uff0c\u5219\u8868\u660e\u5f53\u524d\u7f51\u7edc\u4fe1\u53f7\u8f83\u5dee\u3002\u6b63\u5e38\u8303\u56f4\u5728-100\u5230-20\u4e4b\u95f4\u3002<\/p>\n\n\n\n

\u3000\u3000RSSI\u503c\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u5305\u62ec\u4fe1\u53f7\u4f20\u64ad\u8ddd\u79bb\u3001\u969c\u788d\u7269\u3001\u5929\u7ebf\u8d28\u91cf\u7b49\u3002\u56e0\u6b64\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u7efc\u5408\u8003\u8651\u8fd9\u4e9b\u56e0\u7d20\u5bf9\u4fe1\u53f7\u5f3a\u5ea6\u7684\u5f71\u54cd\uff0c\u4ee5\u4fbf\u66f4\u51c6\u786e\u5730\u89e3\u8bfbRSSI\u503c\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u8c03\u6574RSSI\u9608\u503c\uff0c\u53ef\u4ee5\u4f18\u5316\u65e0\u7ebf\u7f51\u7edc\u6027\u80fd\uff0c\u5b9e\u73b0\u6700\u4f73\u7684\u4fe1\u53f7\u8986\u76d6\u548c\u4f20\u8f93\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b64\u5916\uff0cRSSI\u503c\u4e0d\u4ec5\u5f71\u54cd\u901a\u8bdd\u8d28\u91cf\u3001\u5207\u6362\u3001\u62e5\u585e\u53ca\u7f51\u7edc\u8986\u76d6\u3001\u5bb9\u91cf\u7b49\uff0c\u8fd8\u4e0e\u65e0\u7ebf\u7f51\u7edc\u7684\u8986\u76d6\u8303\u56f4\u548c\u7a33\u5b9a\u6027\u5bc6\u5207\u76f8\u5173\u3002\u4e00\u822c\u6765\u8bf4\uff0cRSSI\u503c\u8d8a\u9ad8\uff0c\u8868\u793a\u4fe1\u53f7\u8d8a\u5f3a\uff0c\u65e0\u7ebf\u7f51\u7edc\u7684\u8986\u76d6\u8303\u56f4\u548c\u7a33\u5b9a\u6027\u4e5f\u4f1a\u66f4\u597d\u3002\u4f46\u662f\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cRSSI\u503c\u5e76\u4e0d\u662f\u552f\u4e00\u7684\u8861\u91cf\u6807\u51c6\uff0c\u8fd8\u9700\u8981\u7ed3\u5408\u5176\u4ed6\u6307\u6807\u5982sinr\u3001rsrp\u548crsrq\u7b49\u4e00\u8d77\u8003\u8651\uff0c\u4ee5\u5168\u9762\u8bc4\u4f30\u65e0\u7ebf\u4fe1\u53f7\u7684\u8d28\u91cf\u3002<\/p>\n\n\n\n

\u3000\u3000\u6839\u636eRSSI\u503c\u5224\u65ad\u65e0\u7ebf\u4fe1\u53f7\u7684\u8d28\u91cf\u548c\u7a33\u5b9a\u6027\u65f6\uff0c\u5e94\u8003\u8651RSSI\u503c\u7684\u7edd\u5bf9\u6570\u503c\u4ee5\u53ca\u5176\u76f8\u5bf9\u4e8e\u73af\u5883\u6761\u4ef6\u3001\u4fe1\u53f7\u6e90\u7684\u8ddd\u79bb\u7b49\u56e0\u7d20\u7684\u5f71\u54cd\u3002<\/strong>\u540c\u65f6\uff0c\u4e5f\u9700\u8981\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6307\u6807\uff0c\u4ee5\u83b7\u5f97\u66f4\u5168\u9762\u7684\u8bc4\u4f30\u7ed3\u679c\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 \u4e0d\u540c\u8bbe\u5907\u5bf9RSSI\u503c\u7684\u89e3\u91ca\u6807\u51c6\u6709\u54ea\u4e9b\u5dee\u5f02?<\/h2>\n\n\n\n

\u3000\u3000\u4e0d\u540c\u8bbe\u5907\u5bf9RSSI\u503c\u7684\u89e3\u91ca\u6807\u51c6\u5b58\u5728\u5dee\u5f02\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

\u3000\u3000RSSI\u662f\u4e00\u4e2a\u76f8\u5bf9\u6307\u6570\uff0c\u800cdBm\u662f\u4ee3\u8868\u6beb\u74e6(mw)\u529f\u7387\u6c34\u5e73\u7684\u7edd\u5bf9\u6570\u5b57\u3002\u8fd9\u610f\u5473\u7740RSSI\u7528\u4e8e\u8861\u91cf\u5ba2\u6237\u7aef\u8bbe\u5907\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u7684\u76f8\u5bf9\u8d28\u91cf\uff0c\u4f46\u6ca1\u6709\u7edd\u5bf9\u503c\u3002IEEE 802.11\u6807\u51c6\u89c4\u5b9aRSSI\u53ef\u4ee5\u57280-255\u7684\u8303\u56f4\u5185\uff0c\u6bcf\u4e2a\u82af\u7247\u7ec4\u5236\u9020\u5546\u53ef\u4ee5\u5b9a\u4e49\u4ed6\u4eec\u81ea\u5df1\u7684”RSSI_max”\u503c\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u4e0d\u540c\u7c7b\u578b\u7684\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0cRSSI\u503c\u7684\u597d\u574f\u6807\u51c6\u5b58\u5728\u4e00\u5b9a\u7684\u5dee\u5f02\u3002RSSI(Received Signal Strength Indicator)\u662f\u4e00\u79cd\u8861\u91cf\u65e0\u7ebf\u4fe1\u53f7\u5f3a\u5ea6\u7684\u6307\u6807\uff0c\u901a\u8fc7\u6d4b\u91cf\u63a5\u6536\u5230\u7684\u65e0\u7ebf\u4fe1\u53f7\u7684\u529f\u7387\u6765\u8868\u793a\u4fe1\u53f7\u7684\u5f3a\u5f31\uff0c\u5176\u6570\u503c\u8303\u56f4\u901a\u5e38\u662f\u8d1f\u6570\uff0c\u6570\u503c\u8d8a\u5927\u8868\u793a\u4fe1\u53f7\u8d8a\u5f3a\u3002<\/p>\n\n\n\n

\u3000\u3000\u771f\u6b63\u7684RSSI\u4fe1\u53f7dBm\u503c\u548c\u4fe1\u53f7\u7b49\u7ea7\u662f\u5382\u5bb6\u81ea\u884c\u8fdb\u884c\u6620\u5c04\u7684\uff0c\u5e76\u4e14\u4e0e\u81ea\u5bb6\u4ea7\u54c1\u76f8\u5173\uff0c\u4e0d\u662f\u6807\u51c6\u3002\u4f8b\u5982\uff0cNRF52832\u7684\u4fe1\u53f7\u7b49\u7ea7A\u548cDA14580\u7684\u4fe1\u53f7\u7b49\u7ea7A\u5c3d\u7ba1\u6570\u503c\u4e00\u6837\uff0c\u4f46\u662f\u5bf9\u5e94\u7684\u771f\u6b63\u7684dBm\u53ef\u80fd\u4e0d\u4e00\u6837\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e0d\u540c\u8bbe\u5907\u5bf9RSSI\u503c\u7684\u89e3\u91ca\u6807\u51c6\u4e4b\u95f4\u7684\u5dee\u5f02\u4e3b\u8981\u6e90\u4e8eRSSI\u4f5c\u4e3a\u4e00\u4e2a\u76f8\u5bf9\u6307\u6570\u7684\u7279\u6027\uff0c\u4ee5\u53ca\u5404\u4e2a\u5236\u9020\u5546\u6839\u636e\u81ea\u5df1\u7684\u4ea7\u54c1\u7279\u6027\u81ea\u884c\u5b9a\u4e49\u4fe1\u53f7\u7b49\u7ea7\u4e0edBm\u503c\u4e4b\u95f4\u7684\u6620\u5c04\u5173\u7cfb\u3002<\/strong>\u8fd9\u4e9b\u5dee\u5f02\u5bfc\u81f4\u4e86\u5373\u4f7f\u5728\u76f8\u540c\u7684RSSI\u6570\u503c\u4e0b\uff0c\u4e0d\u540c\u8bbe\u5907\u7684\u5b9e\u9645\u4fe1\u53f7\u5f3a\u5ea6\u4e5f\u53ef\u80fd\u6709\u6240\u4e0d\u540c\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001 RSSI\u503c\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\u7684\u5e94\u7528\u6709\u54ea\u4e9b\u5177\u4f53\u4f8b\u5b50?<\/h2>\n\n\n\n

\u3000\u3000RSSI\u503c\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\u7684\u5e94\u7528\u5177\u4f53\u4f8b\u5b50\u5305\u62ec\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u7f51\u7edc\u8fde\u63a5\u4f18\u5316\uff1a\u901a\u8fc7\u8bbe\u7f6e\u6700\u5c0fRSSI\u503c\uff0c\u5e2e\u52a9\u5ba2\u6237\u7aef\u5728\u4e24\u4e2a\u4e34\u8fd1\u7684\u63a5\u5165\u70b9(AP)\u4e4b\u95f4\u6f2b\u6e38\uff0c\u4ee5\u4fdd\u6301\u7a33\u5b9a\u7684\u8fde\u63a5\u3002\u8fd9\u4e3b\u8981\u7528\u4e8e\u9632\u6b62\u8bbe\u5907\u5728\u8f83\u5f31\u7684\u4fe1\u53f7\u4e0b\u5de5\u4f5c\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7edc\u7684\u6574\u4f53\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u84dd\u7259\u5b9a\u4f4d\u6280\u672f\uff1a\u5229\u7528RSSI\u503c\u8fdb\u884c\u84dd\u7259\u5b9a\u4f4d\uff0c\u8fd9\u79cd\u6280\u672f\u53ef\u4ee5\u57fa\u4e8e\u65e0\u7ebf\u4fe1\u53f7\u63a5\u6536\u5f3a\u5ea6\u6765\u786e\u5b9a\u8bbe\u5907\u7684\u4f4d\u7f6e\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u7cbe\u786e\u4f4d\u7f6e\u4fe1\u606f\u7684\u5e94\u7528\u573a\u666f\u975e\u5e38\u6709\u7528\uff0c\u5982\u5ba4\u5185\u5bfc\u822a\u3001\u8d44\u4ea7\u8ddf\u8e2a\u7b49\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u73af\u5883\u611f\u77e5\u4e0e\u5b89\u5168\u76d1\u63a7\uff1a\u901a\u8fc7\u5206\u6790\u65e0\u7ebf\u4fe1\u9053\u72b6\u6001\u4fe1\u606f(\u5305\u62ecRSSI)\uff0c\u5b9e\u73b0\u88ab\u52a8\u5f0f\u4eba\u5458\u68c0\u6d4b\uff0c\u5305\u62ec\u8bc6\u522b\u4eba\u7684\u4f4d\u7f6e\u3001\u59ff\u52bf\u3001\u52a8\u4f5c\u4ee5\u53ca\u5176\u4ed6\u73af\u5883\u7279\u5f81\u3002\u8fd9\u9879\u6280\u672f\u53ef\u4ee5\u5e94\u7528\u4e8e\u5ba4\u5185\u5b9a\u4f4d\u3001\u5b89\u5168\u76d1\u63a7\u3001\u9488\u5bf9\u8001\u4eba\u548c\u5c0f\u5b69\u7684\u5bb6\u5ead\u533b\u7597\u76d1\u62a4\u7b49\u9886\u57df\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u65e0\u7ebf\u7f51\u7edc\u6027\u80fd\u8bc4\u4f30\uff1aRSSI\u503c\u53ef\u4ee5\u7528\u6765\u8bc4\u4f30\u65e0\u7ebf\u7f51\u7edc\u7684\u8986\u76d6\u8303\u56f4\u548c\u6027\u80fd\uff0c\u5e2e\u52a9\u4f18\u5316\u65e0\u7ebf\u7f51\u7edc\u7684\u6027\u80fd\u3002\u8fd9\u5bf9\u4e8e\u786e\u4fdd\u65e0\u7ebf\u7f51\u7edc\u6ee1\u8db3\u7279\u5b9a\u7684\u6027\u80fd\u6807\u51c6\u548c\u7528\u6237\u9700\u6c42\u81f3\u5173\u91cd\u8981\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5b66\u751f\u8003\u52e4\u7cfb\u7edf\uff1a\u5728\u5b66\u751f\u8003\u52e4\u7cfb\u7edf\u4e2d\uff0c\u901a\u8fc7\u6d4b\u91cf\u4e0d\u540c\u4f4d\u7f6e\u7684RSSI\u503c\u6765\u786e\u5b9a\u5b66\u751f\u7684\u5177\u4f53\u4f4d\u7f6e\uff0c\u5373\u4f7f\u6ca1\u6709\u65b9\u5411\u6027\u4fe1\u606f\uff0c\u4e5f\u80fd\u5b9e\u73b0\u6709\u6548\u7684\u8003\u52e4\u7ba1\u7406\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u8fd9\u4e9b\u4f8b\u5b50\u5c55\u793a\u4e86RSSI\u503c\u5728\u65e0\u7ebf\u901a\u4fe1\u9886\u57df\u7684\u5e7f\u6cdb\u5e94\u7528\uff0c\u4ece\u63d0\u9ad8\u7f51\u7edc\u8fde\u63a5\u8d28\u91cf\u5230\u5b9e\u73b0\u7cbe\u786e\u7684\u5b9a\u4f4d\u670d\u52a1\uff0c\u518d\u5230\u73af\u5883\u611f\u77e5\u548c\u5b89\u5168\u76d1\u63a7\uff0cRSSI\u503c\u90fd\u662f\u4e00\u4e2a\u5173\u952e\u7684\u6280\u672f\u6307\u6807\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e94\u3001 \u5982\u4f55\u4f18\u5316RSSI\u503c\u4ee5\u63d0\u9ad8\u65e0\u7ebf\u901a\u4fe1\u8bbe\u5907\u7684\u6027\u80fd?<\/h2>\n\n\n\n

    \u3000\u3000\u4f18\u5316RSSI\u503c\u4ee5\u63d0\u9ad8\u65e0\u7ebf\u901a\u4fe1\u8bbe\u5907\u7684\u6027\u80fd\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\uff1a<\/strong><\/p>\n\n\n\n

      \n
    • \u3000\u3000\u63d0\u5347RSSI\u9608\u503c<\/strong>\uff1a\u901a\u8fc7\u8c03\u6574RSSI\u9608\u503c\uff0c\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\u548c\u7a33\u5b9a\u6027\u3002\u9002\u5f53\u7684RSSI\u9608\u503c\u8bbe\u7f6e\u5bf9\u4e8e\u63d0\u9ad8\u65e0\u7ebf\u901a\u4fe1\u7684\u6548\u679c\u81f3\u5173\u91cd\u8981\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u4fe1\u53f7\u5f3a\u5ea6\u4fee\u6b63<\/strong>\uff1a\u5bf9\u6bcf\u4e2aRSSI\u503c\u6c42\u5f97\u4e00\u4e2a\u52a0\u6743\u7cfb\u6570\uff0c\u5e76\u7528\u52a0\u6743\u540e\u7684\u4fe1\u53f7\u5f3a\u5ea6\u503c\u8fdb\u884c\u8fd0\u7b97\uff0c\u4ee5\u6b64\u6765\u4f18\u5316RSSI\u7cbe\u5ea6\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u91c7\u7528\u6700\u5c0f\u4e8c\u4e58\u6cd5\u5bf9\u4fe1\u53f7\u8870\u51cf\u6a21\u578b\u7684\u53c2\u6570\u8fdb\u884c\u62df\u5408\uff0c\u5f97\u5230\u6ee1\u8db3\u5177\u4f53\u73af\u5883\u7684\u53c2\u6570\u503c\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u6570\u636e\u6ee4\u6ce2\u5904\u7406<\/strong>\uff1a\u5728\u6d4b\u8ddd\u9636\u6bb5\uff0c\u91c7\u7528\u5747\u503c\u6ee4\u6ce2\u548c\u4e2d\u503c\u6ee4\u6ce2\u76f8\u7ed3\u5408\u7684\u65b9\u5f0f\u5bf9RSSI\u503c\u8fdb\u884c\u9884\u5904\u7406\uff0c\u4ee5\u63d0\u9ad8\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc\u5b9a\u4f4d\u7cbe\u5ea6\u7684\u51c6\u786e\u6027\u3002\u540c\u65f6\uff0c\u4f7f\u7528\u6570\u636e\u6ee4\u6ce2\u5904\u7406\u5f97\u5230RSSI\u503c\u7684\u51c6\u786e\u3001\u5e73\u6ed1\u8f93\u51fa\uff0c\u6709\u52a9\u4e8e\u5b9e\u65f6\u6d4b\u8ddd\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u7b97\u6cd5\u4f18\u5316<\/strong>\uff1a\u57fa\u4e8eBP\u795e\u7ecf\u7f51\u7edc\u7684RSSI\u6d4b\u8ddd\u4f18\u5316\u7b97\u6cd5\uff0c\u901a\u8fc7K-means\u805a\u7c7b\u7b97\u6cd5\u5bf9\u6837\u672c\u6570\u636e\u8fdb\u884c\u9884\u5904\u7406\uff0c\u964d\u4f4e\u4f20\u7edf\u57fa\u4e8e\u53cd\u5411\u4f20\u64ad\u795e\u7ecf\u7f51\u7edc\u7684RSSI\u6d4b\u8ddd\u8bef\u5dee\u3002\u53e6\u5916\uff0c\u5229\u7528\u6539\u8fdb\u7684\u4e09\u89d2\u6d4b\u91cf\u5b9a\u4f4d\u7b97\u6cd5\uff0c\u7ed3\u5408\u52a0\u6743\u9ad8\u65af\u65b9\u6cd5\u5bf9\u6d4b\u91cf\u7684RSSI\u6570\u636e\u8fdb\u884c\u6539\u8fdb\uff0c\u51cf\u5c11\u73af\u5883\u56e0\u7d20\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u51cf\u5c11\u4fe1\u53f7\u8870\u51cf<\/strong>\uff1a\u786e\u4fddWi-Fi\u4fe1\u53f7\u53d1\u5c04\u6e90\u548c\u4fe1\u53f7\u63a5\u6536\u7aef\u4e4b\u95f4\u7684\u8ddd\u79bb\u5c3d\u53ef\u80fd\u77ed\uff0c\u4ee5\u51cf\u5c11\u4fe1\u53f7\u8870\u51cf\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u66f4\u5f3a\u7684\u53d1\u5c04\u529f\u7387\u6216\u6dfb\u52a0\u4fe1\u53f7\u589e\u5f3a\u5668\u6765\u63d0\u9ad8RSSI\u4fe1\u53f7\u5f3a\u5ea6\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u6539\u8fdb\u5b9a\u4f4d\u7b97\u6cd5<\/strong>\uff1a\u5229\u7528RSSI\u503c\u6539\u8fdbDV-Hop\u7b97\u6cd5\u5b9a\u4f4d\u8fc7\u7a0b\u4e2d\u7684\u4e09\u4e2a\u9636\u6bb5\uff0c\u4ee5\u63d0\u9ad8DV-HOP\u7b97\u6cd5\u7684\u5b9a\u4f4d\u7cbe\u5ea6\u3002\u540c\u65f6\uff0c\u57fa\u4e8e\u6700\u5c0f\u4e8c\u4e58\u6cd5\u7684RSSI\u6d4b\u8ddd\u73af\u5883\u53c2\u6570\u4fee\u6b63\u65b9\u6848\uff0c\u4e5f\u662f\u63d0\u9ad8\u6d4b\u8ddd\u7cbe\u5ea6\u7684\u5173\u952e\u6027\u95ee\u9898\u4e4b\u4e00\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000\u901a\u8fc7\u4e0a\u8ff0\u65b9\u6cd5\u7684\u7efc\u5408\u5e94\u7528\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4f18\u5316RSSI\u503c\uff0c\u4ece\u800c\u63d0\u9ad8\u65e0\u7ebf\u901a\u4fe1\u8bbe\u5907\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      RSSI\u503c\uff0c\u5373\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a(Received Signal Strength Indication)\uff0c\u662f\u8861\u91cf\u65e0\u7ebf\u901a\u4fe1\u8bbe\u5907\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u5f3a\u5ea6\u7684\u4e00\u4e2a\u6307\u6807\u3002\u5b83\u901a\u5e38\u4ee5\u8d1f\u6570dBm\u4e3a\u5355\u4f4d\u8868\u793a\uff0c\u6570\u503c\u8d8a\u5927\u8868\u793a\u4fe1\u53f7\u8d8a\u5f3a<\/p>\n","protected":false},"author":1,"featured_media":90603,"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":[138],"class_list":["post-91430","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\/91430","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=91430"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/91430\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/90603"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=91430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=91430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=91430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}