{"id":20823,"date":"2023-09-10T11:15:20","date_gmt":"2023-09-10T03:15:20","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=20823"},"modified":"2023-09-10T11:15:20","modified_gmt":"2023-09-10T03:15:20","slug":"rzdswzc-4","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/20823.html","title":{"rendered":"RSSI\u503c\u591a\u5c11\u4e3a\u6b63\u5e38\uff1f"},"content":{"rendered":"<p>&emsp;&emsp;<strong>RSSI\uff08Received Signal Strength Indicator\uff09\u662f\u6307\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a\u5668\uff0c\u662f\u6307\u65e0\u7ebf\u7f51\u7edc\u4fe1\u53f7\u7684\u5f3a\u5ea6\uff0c\u5b83\u662f\u7528\u6765\u8861\u91cf\u65e0\u7ebf\u7f51\u7edc\u4fe1\u53f7\u5f3a\u5ea6\u7684\u91cf\u5ea6\u3002<\/strong>RSSI\u503c\u8d8a\u5927\uff0c\u8868\u660e\u7f51\u7edc\u4fe1\u53f7\u8d8a\u5f3a\uff0c\u7f51\u7edc\u901f\u5ea6\u4e5f\u8d8a\u5feb\u3002\u672c\u6587\u5c06\u4ecb\u7ecdRSSI\u7684\u6982\u5ff5\uff0c\u4ee5\u53caRSSI\u503c\u591a\u5c11\u4e3a\u6b63\u5e38\u3002<\/p>\n<h2 style=\"text-align: center;\">\u4ec0\u4e48\u662fRSSI\uff1f<\/h2>\n<p>&emsp;&emsp;<strong>RSSI\uff08Received Signal Strength Indicator\uff09\u662f\u6307\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a\u5668\uff0c\u662f\u6307\u65e0\u7ebf\u7f51\u7edc\u4fe1\u53f7\u7684\u5f3a\u5ea6\uff0c\u5b83\u662f\u7528\u6765\u8861\u91cf\u65e0\u7ebf\u7f51\u7edc\u4fe1\u53f7\u5f3a\u5ea6\u7684\u91cf\u5ea6\u3002<\/strong>RSSI\u503c\u8d8a\u5927\uff0c\u8868\u660e\u7f51\u7edc\u4fe1\u53f7\u8d8a\u5f3a\uff0c\u7f51\u7edc\u901f\u5ea6\u4e5f\u8d8a\u5feb\u3002<\/p>\n<h3 style=\"text-align: center;\">RSSI\u7684\u8ba1\u7b97\u65b9\u6cd5<\/h3>\n<p>&emsp;&emsp;RSSI\u662f\u901a\u8fc7\u63a5\u6536\u5230\u7684\u65e0\u7ebf\u4fe1\u53f7\u7684\u529f\u7387\u8ba1\u7b97\u800c\u5f97\uff0c\u53ef\u4ee5\u901a\u8fc7RSSI\u7684\u503c\u6765\u5224\u65ad\u4fe1\u53f7\u7684\u5f3a\u5ea6\u3002RSSI\u7684\u8ba1\u7b97\u65b9\u6cd5\u662f\uff1aRSSI = -10 * n * log10(d) + 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center;\">RSSI\u7684\u5f71\u54cd\u56e0\u7d20<\/h2>\n<p>&emsp;&emsp;RSSI\u503c\u53d7\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u5305\u62ec\u73af\u5883\u8870\u51cf\u56e0\u5b50\u3001\u53d1\u5c04\u529f\u7387\u3001\u8ddd\u79bb\u7b49\u3002\u73af\u5883\u8870\u51cf\u56e0\u5b50\u662f\u6307\u4fe1\u53f7\u4f20\u64ad\u8fc7\u7a0b\u4e2d\u53d7\u5230\u7684\u73af\u5883\u5e72\u6270\uff0c\u53d1\u5c04\u529f\u7387\u662f\u6307\u53d1\u5c04\u7aef\u53d1\u5c04\u7684\u529f\u7387\uff0c\u8ddd\u79bb\u662f\u6307\u53d1\u5c04\u7aef\u5230\u63a5\u6536\u7aef\u7684\u8ddd\u79bb\u3002<\/p>\n<h3 style=\"text-align: center;\">\u73af\u5883\u8870\u51cf\u56e0\u5b50<\/h3>\n<p>&emsp;&emsp;\u73af\u5883\u8870\u51cf\u56e0\u5b50\u53d7\u5230\u73af\u5883\u6761\u4ef6\u7684\u5f71\u54cd\uff0c\u5305\u62ec\u5efa\u7b51\u7269\u3001\u6811\u6728\u3001\u6c34\u6c60\u7b49\uff0c\u5b83\u4f1a\u5f71\u54cd\u4fe1\u53f7\u7684\u4f20\u64ad\u8ddd\u79bb\u3002\u5982\u679c\u73af\u5883\u8870\u51cf\u56e0\u5b50\u589e\u5927\uff0cRSSI\u503c\u4f1a\u53d8\u5c0f\uff0c\u8868\u793a\u4fe1\u53f7\u5f3a\u5ea6\u53d8\u5f31\u3002<\/p>\n<h3 style=\"text-align: center;\">\u53d1\u5c04\u529f\u7387<\/h3>\n<p>&emsp;&emsp;\u53d1\u5c04\u529f\u7387\u662f\u6307\u53d1\u5c04\u7aef\u53d1\u5c04\u7684\u529f\u7387\uff0c\u53d1\u5c04\u529f\u7387\u8d8a\u5927\uff0cRSSI\u503c\u8d8a\u5927\uff0c\u8868\u793a\u4fe1\u53f7\u5f3a\u5ea6\u8d8a\u5f3a\u3002<\/p>\n<h3 style=\"text-align: center;\">\u8ddd\u79bb<\/h3>\n<p>&emsp;&emsp;\u8ddd\u79bb\u662f\u6307\u53d1\u5c04\u7aef\u5230\u63a5\u6536\u7aef\u7684\u8ddd\u79bb\uff0c\u8ddd\u79bb\u8d8a\u8fdc\uff0cRSSI\u503c\u8d8a\u5c0f\uff0c\u8868\u793a\u4fe1\u53f7\u5f3a\u5ea6\u8d8a\u5f31\u3002<\/p>\n<h2 style=\"text-align: center;\">\u603b\u7ed3<\/h2>\n<p>&emsp;&emsp;<strong>RSSI\uff08Received Signal Strength 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