{"id":101796,"date":"2025-03-05T15:23:28","date_gmt":"2025-03-05T07:23:28","guid":{"rendered":"\/\/www.viralrail.com\/?p=101796"},"modified":"2025-03-05T15:23:32","modified_gmt":"2025-03-05T07:23:32","slug":"wtcjbyl","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/101796.html","title":{"rendered":"WiFi\u56fe\u4f20\u57fa\u672c\u539f\u7406"},"content":{"rendered":"\n

\u3000\u3000WiFi\u56fe\u4f20\u7684\u57fa\u672c\u539f\u7406<\/strong>\u662f\u901a\u8fc7\u65e0\u7ebf\u7f51\u7edc\u5c06\u56fe\u50cf\u6216\u89c6\u9891\u4fe1\u53f7\u8fdb\u884c\u5b9e\u65f6\u4f20\u8f93\uff0c\u5176\u6838\u5fc3\u6d41\u7a0b\u5305\u62ec\u6570\u636e\u91c7\u96c6\u3001\u538b\u7f29\u7f16\u7801\u3001\u65e0\u7ebf\u4f20\u8f93\u548c\u89e3\u7801\u663e\u793a\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u5b9e\u73b0\u3001\u786c\u4ef6\u7ec4\u6210\u3001\u534f\u8bae\u6807\u51c6\u53ca\u6027\u80fd\u6311\u6218\u7b49\u89d2\u5ea6\u8fdb\u884c\u8be6\u7ec6\u89e3\u6790\uff1a<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001\u6280\u672f\u5b9e\u73b0\u6d41\u7a0b<\/h2>\n\n\n\n
\"lora\"<\/figure>\n\n\n\n

\u3000\u3000\u56fe\u50cf\u91c7\u96c6\u4e0e\u6570\u5b57\u5316<\/strong><\/p>\n\n\n\n

\u3000\u3000\u6444\u50cf\u5934\u6216\u4f20\u611f\u5668\u5c06\u5149\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7(\u5982YUV\u6216RGB\u683c\u5f0f)\u3002\u8fd9\u4e00\u8fc7\u7a0b\u6d89\u53ca\u5149\u7535\u8f6c\u6362\u548c\u6a21\u6570\u8f6c\u6362(ADC)\uff0c\u751f\u6210\u539f\u59cb\u56fe\u50cf\u6570\u636e\u3002<\/p>\n\n\n\n

\u3000\u3000\u6570\u636e\u538b\u7f29\u7f16\u7801<\/strong><\/p>\n\n\n\n

\u3000\u3000\u539f\u59cb\u56fe\u50cf\u6570\u636e\u91cf\u5e9e\u5927(\u4f8b\u59821080P\u89c6\u9891\u6bcf\u79d2\u7ea6\u4ea7\u751f1.5GB\u6570\u636e)\uff0c\u9700\u901a\u8fc7\u538b\u7f29\u7b97\u6cd5\u51cf\u5c11\u5e26\u5bbd\u9700\u6c42\u3002\u5e38\u7528\u6807\u51c6\u5305\u62ec\uff1a<\/p>\n\n\n\n

\u3000\u3000JPEG<\/strong>\uff1a\u9002\u7528\u4e8e\u9759\u6001\u56fe\u50cf\uff0c\u538b\u7f29\u6bd4\u7ea610:1.<\/p>\n\n\n\n

\u3000\u3000H.264\/H.265<\/strong>\uff1a\u52a8\u6001\u89c6\u9891\u538b\u7f29\uff0cH.265\u76f8\u6bd4H.264\u53ef\u8282\u770150%\u5e26\u5bbd\u3002<\/p>\n\n\n\n

\u3000\u3000MJPEG<\/strong>\uff1a\u5c06\u89c6\u9891\u62c6\u89e3\u4e3a\u8fde\u7eedJPEG\u5e27\uff0c\u9002\u5408\u4f4e\u5ef6\u8fdf\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000\u65e0\u7ebf\u4f20\u8f93<\/strong><\/p>\n\n\n\n

\u3000\u3000\u8c03\u5236\u4e0e\u9891\u6bb5\u9009\u62e9<\/strong>\uff1aWiFi\u4f7f\u75282.4GHz\u62165GHz\u9891\u6bb5\u30022.4GHz\u8986\u76d6\u8303\u56f4\u5e7f\u4f46\u6613\u53d7\u5e72\u6270;5GHz\u5e26\u5bbd\u66f4\u9ad8(\u53ef\u8fbe1.3Gbps)\uff0c\u9002\u5408\u9ad8\u6e05\u89c6\u9891\u3002<\/p>\n\n\n\n

\u3000\u3000\u6570\u636e\u5305\u5c01\u88c5<\/strong>\uff1a\u9075\u5faaTCP\/IP\u534f\u8bae\uff0c\u6570\u636e\u88ab\u5206\u5272\u4e3a\u5b9a\u957f512\u5b57\u8282\u7684\u5305\u4f20\u8f93\u3002\u82e5\u6570\u636e\u8d85\u8fc7\u6b64\u957f\u5ea6\uff0c\u9700\u5206\u7247\u53d1\u9001\uff0c\u63a5\u6536\u7aef\u91cd\u7ec4\u3002<\/p>\n\n\n\n

\u3000\u3000\u4f20\u8f93\u63a7\u5236<\/strong>\uff1a\u9700\u5efa\u7acb\u53cc\u5411\u63e1\u624b\u8ba4\u8bc1(\u5982\u4e09\u6b21\u63e1\u624b)\uff0c\u786e\u4fdd\u94fe\u8def\u7a33\u5b9a\u3002\u90e8\u5206\u65b9\u6848\u91c7\u7528UDP\u534f\u8bae\u4ee5\u964d\u4f4e\u5ef6\u8fdf\uff0c\u4f46\u9700\u5bb9\u5fcd\u5c11\u91cf\u4e22\u5305\u3002<\/p>\n\n\n\n

\u3000\u3000\u63a5\u6536\u4e0e\u89e3\u7801<\/strong><\/p>\n\n\n\n

\u3000\u3000\u63a5\u6536\u7aef\u901a\u8fc7\u89e3\u8c03\u8fd8\u539f\u6570\u5b57\u4fe1\u53f7\uff0c\u89e3\u7801\u5668(\u5982\u786c\u4ef6\u52a0\u901f\u7684H.264\u89e3\u7801\u82af\u7247)\u5c06\u538b\u7f29\u6570\u636e\u6062\u590d\u4e3a\u539f\u59cb\u56fe\u50cf\uff0c\u6700\u7ec8\u8f93\u51fa\u5230\u663e\u793a\u5668\u6216\u79fb\u52a8\u8bbe\u5907\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001\u6838\u5fc3\u786c\u4ef6\u8bbe\u5907<\/h2>\n\n\n\n

\u3000\u3000\u53d1\u5c04\u7aef\u7ec4\u4ef6<\/strong><\/p>\n\n\n\n

\u3000\u3000\u6444\u50cf\u5934\u6a21\u5757<\/strong>\uff1a\u5982OpenMV\u76f8\u673a\u6216\u65e0\u4eba\u673a\u4e91\u53f0\u6444\u50cf\u5934\uff0c\u652f\u6301\u9ad8\u5e27\u7387\u91c7\u96c6\u3002<\/p>\n\n\n\n

\u3000\u3000WiFi\u901a\u4fe1\u6a21\u5757<\/strong>\uff1a\u4f8b\u5982SKW77\u5927\u529f\u7387\u6a21\u5757\uff0c\u652f\u6301802.11b\/g\/n\u6807\u51c6\uff0c\u96c6\u6210PA(\u529f\u7387\u653e\u5927\u5668)\u548cLNA(\u4f4e\u566a\u58f0\u653e\u5927\u5668)\uff0c\u53d1\u5c04\u529f\u7387\u8fbe+28dBm\uff0c\u63d0\u5347\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n

\u3000\u3000\u5904\u7406\u5668<\/strong>\uff1a\u5b8c\u6210\u7f16\u7801\u548c\u534f\u8bae\u5c01\u88c5\uff0c\u5982STM32+ESP8266\u7ec4\u5408\u6216\u4e13\u7528\u89c6\u9891\u5904\u7406\u82af\u7247(\u5982Actions\u70ac\u529b\u65b9\u6848)\u3002<\/p>\n\n\n\n

\u3000\u3000\u63a5\u6536\u7aef\u7ec4\u4ef6<\/strong><\/p>\n\n\n\n

\u3000\u3000\u65e0\u7ebf\u63a5\u6536\u5668<\/strong>\uff1a\u5982\u9cde\u7532\u56fe\u4f20\u63a5\u6536\u5668\uff0c\u652f\u6301\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\uff0c\u901a\u8fc7HDMI\u8f93\u51fa\u81f3\u76d1\u89c6\u5668\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e2d\u7ee7\u8bbe\u5907<\/strong>\uff1a\u5730\u9762\u4e2d\u7ee7\u7ad9\u6269\u5c55\u4f20\u8f93\u8ddd\u79bb\uff0c\u4f8b\u5982\u4f7f\u75284G\u6a21\u5757\u4e0a\u4f20\u81f3\u4e91\u7aef\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n

\u3000\u3000\u8f85\u52a9\u8bbe\u5907<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5929\u7ebf<\/strong>\uff1a\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf(\u5982\u67ab\u53f6\u5929\u7ebf)\u53ef\u589e\u5f3a\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u51cf\u5c11\u591a\u5f84\u6548\u5e94\u5f71\u54cd\u3002<\/p>\n\n\n\n

\u3000\u3000\u529f\u7387\u653e\u5927\u5668<\/strong>\uff1a\u9488\u5bf9\u8fdc\u8ddd\u79bb\u4f20\u8f93\uff0c\u5982WiFi HaLow\u6a21\u5757\u652f\u63012W\u529f\u653e\uff0c\u8986\u76d6\u6570\u516c\u91cc\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001\u534f\u8bae\u4e0e\u6807\u51c6<\/h2>\n\n\n\n

\u3000\u3000IEEE 802.11\u7cfb\u5217<\/strong><\/p>\n\n\n\n

\u3000\u3000802.11n<\/strong>\uff1a2.4\/5GHz\u53cc\u9891\uff0cMIMO\u6280\u672f\u63d0\u5347\u541e\u5410\u91cf\uff0c\u7406\u8bba\u901f\u7387600Mbps\u3002<\/p>\n\n\n\n

\u3000\u3000802.11ac<\/strong>\uff1a5GHz\u9891\u6bb5\u4e13\u5c5e\uff0c\u652f\u63018×8 MIMO\uff0c\u901f\u7387\u8fbe6.93Gbps\u3002<\/p>\n\n\n\n

\u3000\u3000802.11ax\uff08WiFi 6\uff09<\/strong> \uff1aOFDMA\u6280\u672f\u4f18\u5316\u591a\u8bbe\u5907\u5e76\u53d1\uff0c\u5ef6\u8fdf\u964d\u4f4e75%\u3002<\/p>\n\n\n\n

\u3000\u3000\u5b89\u5168\u534f\u8bae<\/strong><\/p>\n\n\n\n

\u3000\u3000WPA2\/WPA3<\/strong>\uff1a\u52a0\u5bc6\u4f20\u8f93\u6570\u636e\uff0c\u9632\u6b62\u7a83\u542c\u3002WPA3\u5f15\u5165SAE(\u540c\u6b65\u8ba4\u8bc1\u52a0\u5bc6)\u589e\u5f3a\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000MAC\u5730\u5740\u8fc7\u6ee4<\/strong>\uff1a\u9650\u5236\u63a5\u5165\u8bbe\u5907\uff0c\u51cf\u5c11\u975e\u6cd5\u5165\u4fb5\u98ce\u9669\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001\u6027\u80fd\u6311\u6218\u4e0e\u4f18\u5316<\/h2>\n\n\n\n

\u3000\u3000\u5e26\u5bbd\u4e0e\u5ef6\u8fdf<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5e26\u5bbd\u74f6\u9888<\/strong>\uff1a4K\u89c6\u9891\u970030Mbps\u4ee5\u4e0a\u5e26\u5bbd\uff0c\u4f20\u7edfWiFi(\u5982802.11n)\u96be\u4ee5\u7a33\u5b9a\u652f\u6301\u3002<\/p>\n\n\n\n

\u3000\u3000\u5ef6\u8fdf\u95ee\u9898<\/strong>\uff1aWiFi\u7684\u63e1\u624b\u673a\u5236\u548c\u91cd\u4f20\u7b56\u7565\u5bfc\u81f4\u5178\u578b\u5ef6\u8fdf100-300ms\uff0c\u800cLightbridge\u7b49\u4e13\u7528\u534f\u8bae\u53ef\u964d\u81f3100ms\u4ee5\u5185\u3002<\/p>\n\n\n\n

\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/p>\n\n\n\n

\u3000\u3000\u9891\u6bb5\u9009\u62e9<\/strong>\uff1a5GHz\u5e72\u6270\u8f83\u5c11\uff0c\u4f46\u7a7f\u900f\u529b\u5f31;2.4GHz\u6613\u53d7\u84dd\u7259\u3001\u5fae\u6ce2\u7089\u5e72\u6270\u3002<\/p>\n\n\n\n

\u3000\u3000\u52a8\u6001\u8c03\u9891<\/strong>\uff1a\u81ea\u52a8\u5207\u6362\u9891\u9053(\u5982DFS\u6280\u672f)\u907f\u5f00\u62e5\u5835\u9891\u6bb5\u3002<\/p>\n\n\n\n

\u3000\u3000\u4f20\u8f93\u8ddd\u79bb\u4e0e\u7a33\u5b9a\u6027<\/strong><\/p>\n\n\n\n

\u3000\u3000\u4e2d\u7ee7\u6269\u5c55<\/strong>\uff1a\u901a\u8fc7Mesh\u7ec4\u7f51\u6216\u591a\u8df3\u4f20\u8f93\u6269\u5927\u8986\u76d6\uff0c\u5982\u81ea\u7ec4\u7f51\u6a21\u5757\u652f\u6301\u975e\u89c6\u8ddd\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u529f\u7387\u4e0e\u7075\u654f\u5ea6<\/strong>\uff1a\u9ad8\u529f\u7387\u53d1\u5c04(\u5982+30dBm)\u4e0e\u4f4e\u566a\u58f0\u63a5\u6536(-95dBm)\u63d0\u5347\u4fe1\u566a\u6bd4\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e94\u3001\u5e94\u7528\u573a\u666f\u5bf9\u6bd4<\/h2>\n\n\n\n
\u573a\u666f<\/strong><\/th>\u6280\u672f\u9700\u6c42<\/strong><\/th>\u9002\u7528\u65b9\u6848<\/strong><\/th><\/tr><\/thead>
\u65e0\u4eba\u673a\u822a\u62cd<\/td>\u4f4e\u5ef6\u8fdf\u3001\u6297\u6296\u52a8<\/td>5.8GHz\u9891\u6bb5+OFDM\u8c03\u5236<\/td><\/tr>
\u5b89\u9632\u76d1\u63a7<\/td>\u9ad8\u53ef\u9760\u6027\u3001\u591c\u89c6\u517c\u5bb9<\/td>H.265\u7f16\u7801+WPA3\u52a0\u5bc6<\/td><\/tr>
\u5de5\u4e1a\u68c0\u6d4b<\/td>\u957f\u8ddd\u79bb\u3001\u6297\u5e72\u6270<\/td>WiFi HaLow+\u4e2d\u7ee7\u5668<\/td><\/tr>
\u6d88\u8d39\u7ea7\u76f4\u64ad<\/td>\u591a\u8bbe\u5907\u63a5\u5165\u3001\u4fbf\u643a\u6027<\/td>802.11ax+\u624b\u673a\u76f4\u8fde<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u3000\u3000\u516d\u3001\u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/h2>\n\n\n\n
    \n
  • \u3000\u3000WiFi 7\uff08802.11be\uff09<\/strong> \uff1a\u5f15\u51654096-QAM\u548c320MHz\u4fe1\u9053\uff0c\u7406\u8bba\u901f\u7387\u8fbe30Gbps\uff0c\u652f\u630116K\u89c6\u9891\u6d41\u3002<\/li>\n\n\n\n
  • \u3000\u3000AI\u4f18\u5316\u7f16\u7801<\/strong>\uff1a\u57fa\u4e8e\u795e\u7ecf\u7f51\u7edc\u7684\u538b\u7f29\u7b97\u6cd5(\u5982AV1)\u53ef\u8fdb\u4e00\u6b65\u964d\u4f4e\u7801\u7387\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5f02\u6784\u7f51\u7edc\u878d\u5408<\/strong>\uff1a\u7ed3\u54085G\u548cLi-Fi(\u5982Hy-Fi\u539f\u578b\u673a)\uff0c\u5b9e\u73b0\u65e0\u7f1d\u5207\u6362\u4e0e\u8d85\u9ad8\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u901a\u8fc7\u4e0a\u8ff0\u5206\u6790\u53ef\u89c1\uff0cWiFi\u56fe\u4f20\u867d\u53d7\u9650\u4e8e\u534f\u8bae\u8bbe\u8ba1\u548c\u73af\u5883\u5e72\u6270\uff0c\u4f46\u901a\u8fc7\u786c\u4ef6\u4f18\u5316\u3001\u534f\u8bae\u5347\u7ea7\u53ca\u7b97\u6cd5\u521b\u65b0\uff0c\u4ecd\u5728\u591a\u4e2a\u9886\u57df\u4fdd\u6301\u5e7f\u6cdb\u5e94\u7528\u3002\u672a\u6765\u968f\u7740\u65b0\u6280\u672f\u7684\u5f15\u5165\uff0c\u5176\u6027\u80fd\u8fb9\u754c\u5c06\u4e0d\u65ad\u6269\u5c55\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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