﻿{"id":178,"date":"2023-09-18T13:50:20","date_gmt":"2023-09-18T05:50:20","guid":{"rendered":"http:\/\/blog.yiyilearning.com\/?p=178"},"modified":"2023-09-18T13:50:20","modified_gmt":"2023-09-18T05:50:20","slug":"%e5%b1%8f%e8%94%bd%e5%8f%82%e6%95%b0","status":"publish","type":"post","link":"https:\/\/airlive.online\/index.php\/2023\/09\/18\/%e5%b1%8f%e8%94%bd%e5%8f%82%e6%95%b0\/","title":{"rendered":"\u5c4f\u853d\u53c2\u6570"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">RSSI\uff08Received Signal Strength Indicator\uff09 \u63a5\u6536\u4fe1\u53f7\u7684\u5f3a\u5ea6\u6307\u793a<br>dBm(\u7eaf\u8ba1\u6570\u5355\u4f4d) &#8211; \u767e\u5ea6\u767e\u79d1<br>\ue627<br>1\u3001\u4fe1\u53f7\u5f3a\u5ea6dbm\u662f\u4ec0\u4e48<br>dbm\u7ffb\u8bd1\u6210\u4e2d\u6587\u662f\u5206\u8d1d\u6beb\u74e6\uff0c\u662f\u4e00\u4e2a\u8868\u793a\u65e0\u7ebf\u529f\u7387\u7684\u7edd\u5bf9\u503c\u3002\u5b83\u7684\u6570\u503c\u662f\u4ee51mw\u529f\u7387\u4e3a\u57fa\u51c6\u7684\u4e00\u4e2a\u6bd4\u503c\u3002\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1adbm=10log\uff08p\/1mw\uff09\u3002\u6bd4\u5982\uff1aWIFI\u8def\u7531\u5668\u7684\u529f\u7387\u662f100mw\uff0c\u90a3\u4e48\u5b83\u7684\u53d1\u5c04\u4fe1\u53f7\u5f3a\u5ea6\u5c31\u662f20dbm\u3002<br>2\u3001\u624b\u673a\u901a\u4fe1\u9700\u8981\u7684\u4fe1\u53f7\u6700\u5c0f\u503c\u662f-90dbm\u3002<br>\u5728\u5b89\u5353\u624b\u673a\u7684\u8bbe\u7f6e\u91cc\uff0c\u8c37\u6b4c\u7ed9\u5b89\u5353\u624b\u673a\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7279\u6709\u7684\u4fe1\u53f7\u5355\u4f4d\u53eb\u505aasu\u3002\u7ffb\u8bd1\u6210\u4e2d\u6587\u5c31\u662f\u72ec\u7acb\u4fe1\u53f7\u5355\u5143\u7684\u610f\u601d\u3002\u5b83\u548c\u4fe1\u53f7\u5f3a\u5ea6dbm\u4e4b\u95f4\u7684\u6362\u7b97\u5173\u7cfb\u662f\uff1adbm=2*asu-113 \u3002\u800c\u624b\u673a\u8981\u60f3\u6bd4\u8f83\u597d\u7684\u901a\u8bdd\u8d28\u91cf\uff0casu\u5fc5\u987b\u5927\u4e8e\u7b49\u4e8e10\u3002\u6362\u7b97\u6210dbm\u4e5f\u5c31\u662f-90dbm\u3002<br>\u4fe1\u53f7\u5f3a\u5ea6\u5e76\u4e0d\u662f\u8d8a\u9ad8\u8d8a\u597d\uff0c\u4e5f\u4e0d\u662f\u8d8a\u4f4e\u8d8a\u597d\uff0c\u6700\u4f73\u8303\u56f4\u5e94\u8be5\u662f-60dbm\u5230-40dbm\u4e3a\u6700\u4f73\u533a\u95f4\u3002\u5982\u679c\u4fe1\u53f7\u5f3a\u5ea6\uff1e0dbm\uff0c\u957f\u65f6\u95f4\u8f90\u5c04\uff0c\u5c31\u6709\u70b9\u592a\u9ad8\u4e86\u3002\u4fe1\u53f7\u5f3a\u5ea6\uff1c-90dbm\uff0c\u6839\u672c\u65e0\u6cd5\u5b8c\u6210\u901a\u4fe1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RSSI\uff08Received Signal Strength Indicator\uff09 \u63a5\u6536\u4fe1\u53f7\u7684\u5f3a\u5ea6\u6307\u793adBm(\u7eaf\u8ba1\u6570\u5355\u4f4d) &#8211; 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