{"id":67528,"date":"2023-12-19T01:32:42","date_gmt":"2023-12-18T17:32:42","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=67528"},"modified":"2023-12-19T01:32:42","modified_gmt":"2023-12-18T17:32:42","slug":"syrjsgsdkpwz","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/67528.html","title":{"rendered":"\u4f7f\u7528RSSI\u8ba1\u7b97\u516c\u5f0f\u7684\u79d1\u666e\u6587\u7ae0"},"content":{"rendered":"
\u65e0\u7ebf\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a\uff08RSSI\uff09\u8ba1\u7b97\u516c\u5f0f\u662f\u65e0\u7ebf\u901a\u4fe1\u9886\u57df\u7684\u91cd\u8981\u6982\u5ff5\uff0c\u5b83\u7528\u4e8e\u8ba1\u7b97\u4fe1\u53f7\u7684\u63a5\u6536\u5f3a\u5ea6\uff0c\u5bf9\u4e8e\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf<\/a>\u7684\u8bbe\u8ba1\u548c\u4f18\u5316\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecdRSSI\u8ba1\u7b97\u516c\u5f0f\u53ca\u5176\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n \u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\uff0cRSSI\u662f\u4e00\u4e2a\u8861\u91cf\u63a5\u6536\u5230\u4fe1\u53f7\u5f3a\u5ea6\u7684\u6307\u6807\u3002\u5b83\u53ef\u4ee5\u901a\u8fc7\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u7684\u529f\u7387\u6765\u8ba1\u7b97\u3002RSSI\u8ba1\u7b97\u516c\u5f0f\u57fa\u4e8e\u63a5\u6536\u4fe1\u53f7\u80fd\u91cf\u7684\u5f3a\u5ea6\uff0c\u4e00\u822c\u4ee5\u8d1f\u503c\u8868\u793a\uff0c\u6570\u503c\u8d8a\u5927\u8868\u793a\u4fe1\u53f7\u5f3a\u5ea6\u8d8a\u4f4e\u3002<\/p>\n \u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\uff08RSSI\uff09\u53ef\u4ee5\u901a\u8fc7\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u529f\u7387\u8fdb\u884c\u6d4b\u91cf\u3002\u4e00\u822c\u7684RSSI<\/a>\u8ba1\u7b97\u516c\u5f0f\u53ef\u4ee5\u5199\u4f5c\uff1a<\/p>\n RSSI = -10n * log10(d) + A<\/p>\n \u5176\u4e2d\uff0cn\u4e3a\u8def\u5f84\u635f\u8017\u6307\u6570\uff0cd\u4e3a\u8ddd\u79bb\uff0cA\u4e3a\u57281\u7c73\u5904\u7684\u53c2\u8003\u4fe1\u53f7\u5f3a\u5ea6\u3002<\/p>\n \u8def\u5f84\u635f\u8017\u6307\u6570\uff08n\uff09\u662f\u8861\u91cf\u4fe1\u53f7\u5728\u4f20\u64ad\u8fc7\u7a0b\u4e2d\u8870\u51cf\u60c5\u51b5\u7684\u91cd\u8981\u53c2\u6570\u3002\u5b83\u53d7\u5230\u5730\u5f62\u3001\u969c\u788d\u7b49\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u4e0d\u540c\u7684\u73af\u5883\u5bf9n\u503c\u90fd\u6709\u6240\u5f71\u54cd\u3002\u4e86\u89e3\u8def\u5f84\u635f\u8017\u6307\u6570\u7684\u53d8\u5316\uff0c\u6709\u52a9\u4e8e\u66f4\u7cbe\u51c6\u5730\u8ba1\u7b97\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u3002<\/p>\nRSSI\u8ba1\u7b97\u516c\u5f0f\u7684\u539f\u7406<\/h2>\n
\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u7684\u8ba1\u7b97<\/h3>\n
\u8def\u5f84\u635f\u8017\u6307\u6570\u7684\u5f71\u54cd<\/h3>\n
RSSI\u8ba1\u7b97\u516c\u5f0f\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\u7684\u5e94\u7528<\/h2>\n