{"id":79,"date":"2020-07-07T12:16:48","date_gmt":"2020-07-07T04:16:48","guid":{"rendered":"\/\/www.100wfx.com\/?p=79"},"modified":"2020-07-07T12:16:48","modified_gmt":"2020-07-07T04:16:48","slug":"uwb%e6%8a%80%e6%9c%af%e7%9a%84%e8%b5%b7%e6%ba%90%e4%b8%8e%e7%8e%b0%e7%8a%b6","status":"publish","type":"post","link":"\/\/www.100wfx.com\/uwbtech\/79.html","title":{"rendered":"UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6"},"content":{"rendered":"

UWB\u6280\u672f\u7684\u8d77\u6e90<\/h3>\n

1960\u5e74\u4ee3\uff0c\u4eba\u4eec\u9996\u6b21\u5f00\u53d1\u51faUWB\uff0c\u5c06\u5176\u7528\u4e8e\u96f7\u8fbe\u5e94\u7528\u3002\u540e\u6765\uff0c\u8be5\u6280\u672f\u7ecf\u8fc7\u8c03\u6574\uff0c\u7528\u4f5c\u6b63\u4ea4\u9891\u5206\u590d\u7528\uff08OFDM\uff09\u6280\u672f\uff0c\u5e76\u5728IEEE.15.3\u4e2d\u6807\u51c6\u5316\u4e3a\u901f\u5ea6\u9ad8\u8fbe480 Mbps\u7684\u8d85\u9ad8\u6570\u636e\u901f\u7387\u4f20\u8f93\u6280\u672f\u3002\u5728\u8fd9\u4e2a\u5bb9\u91cf\u65b9\u9762\uff0c\u8be5\u6280\u672f\u4e0eWiFi\u76f4\u63a5\u7ade\u4e89\uff0c\u4f46WiFi\u5f88\u5feb\u4f7f\u5176\u6570\u636e\u4f20\u8f93\u529f\u80fd\u76f8\u5f62\u89c1\u7ecc\uff0c\u4f7f\u5f97UWB\u5728\u6570\u636e\u4f20\u8f93\u7528\u4f8b\u4e2d\u9000\u5c45\u4e8c\u7ebf\u3002<\/p>\n

\u57fa\u4e8e\u8109\u51b2\u65e0\u7ebf\u7535\u6280\u672f\uff0cUWB\u7684\u4e0b\u4e00\u4e2a\u89d2\u8272\u5219\u6210\u529f\u5f97\u591a\u3002\u5982IEEE 802.15.4a\u4e2d\u6307\u5b9a\u7684\uff0c\u5b83\u4f7f\u75282ns\u8109\u51b2\u6765\u6d4b\u91cf\u98de\u884c\u65f6\u95f4\u548c\u5230\u8fbe\u89d2\u7684\u503c\u3002 \u4e0d\u4e45\u540e\uff0c\u5176\u5b89\u5168\u529f\u80fd\u901a\u8fc7IEEE 802.15.4z\u4e2d\u6307\u5b9a\u7684\u6269\u5c55\u5f97\u5230\u589e\u5f3a\uff08\u5728PHY\/RF\u7ea7\u522b\uff09\uff0c\u8fd9\u4f7f\u5176\u6210\u4e3a\u72ec\u7279\u7684\u5b89\u5168\u7cbe\u5bc6\u6d4b\u8ddd\u548c\u611f\u5e94\u6280\u672f\u3002<\/p>\n

\u4f7f\u7528\u667a\u80fd\u624b\u673a\u4f5c\u4e3a\u667a\u80fd\u94a5\u5319\u6765\u8fdb\u5165\u548c\u542f\u52a8\u6c7d\u8f66\u7684\u60f3\u6cd5\u6781\u5177\u5438\u5f15\u529b\uff0c\u56e0\u6b64\uff0c\u6c7d\u8f66\u548c\u667a\u80fd\u624b\u673a\u884c\u4e1a\u7684\u9886\u5148\u4f01\u4e1a\u7eb7\u7eb7\u79ef\u6781\u53c2\u4e0e\uff0c\u5728802.15.4z\u6807\u51c6\u4e2d\u5b9a\u4e49\u5b89\u5168\u673a\u5236\u3002UWB\u4e3a\u4f55\u80fd\u591f\u4ee5\u5982\u6b64\u9ad8\u7684\u7cbe\u5ea6\u5904\u7406\u8fd9\u4e48\u91cd\u8981\u7684\u7528\u4f8b\uff1f\u8ba9\u6211\u4eec\u6765\u63a2\u7d22\u4e00\u4e0b\u8be5\u6280\u672f\u7684\u80cc\u666f\u548c\u73af\u5883\u3002<\/p>\n

\u4ec0\u4e48\u4f7fUWB\u6210\u4e3a\u4e0e\u4f17\u4e0d\u540c\uff1f<\/h3>\n

\u4e0e\u5927\u591a\u6570\u65e0\u7ebf\u6280\u672f\u4e0d\u540c\uff0c\u8d85\u5bbd\u5e26(UWB)\u901a\u8fc7\u8109\u51b2\u65e0\u7ebf\u7535\u5de5\u4f5c\u3002\u5b83\u5728\u5bbd\u9891\u5e26\u4e0a\u4f7f\u7528\u4e00\u7cfb\u5217\u8109\u51b2\uff0c\u56e0\u6b64\u6709\u65f6\u4e5f\u88ab\u79f0\u4e3aIR-UWB\u6216\u8109\u51b2\u65e0\u7ebf\u7535UWB\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff1a\u536b\u661f\u3001Wi-Fi\u548c\u84dd\u7259\u5728\u7a84\u9891\u5e26\u4e0a\u4f7f\u7528\u8c03\u5236\u6b63\u5f26\u6ce2\u6765\u4f20\u8f93\u4fe1\u606f\u3002<\/p>\n

UWB\u8109\u51b2\u5177\u6709\u591a\u4e2a\u91cd\u8981\u7279\u70b9\u3002\u9996\u5148\uff0c\u5b83\u4eec\u9661\u800c\u7a84\uff0c\u770b\u8d77\u6765\u50cf\u5c16\u5cf0\u4e00\u6837\uff0c\u5373\u4f7f\u662f\u5728\u5608\u6742\u7684\u901a\u9053\u73af\u5883\u4e2d\uff0c\u4e5f\u5f88\u5bb9\u6613\u8bc6\u522b\u3002\u6b64\u5916\uff0c\u4e0eWiFi\u6216BLE\u7b49\u5176\u4ed6\u6280\u672f\u76f8\u6bd4\uff0c\u5bf9\u4e8eToF\u6d4b\u8ddd\uff0cUWB\u8109\u51b2\u66f4\u9002\u5408\u5bc6\u96c6\u591a\u5f84\u73af\u5883\u3002\u7531\u4e8e\u4e3b\u4fe1\u53f7\u8def\u5f84\u65c1\u7684\u5bf9\u8c61\u4f1a\u5f15\u8d77\u53cd\u5c04\u6216\u4e2d\u65ad\uff0c\u901a\u8fc7\u591a\u4e2a\u8def\u5f84\u5230\u8fbe\u63a5\u6536\u5668\u7684\u65e0\u7ebf\u7535\u4fe1\u53f7\u5728IR-UWB\u7cfb\u7edf\u91cc\u5f88\u5bb9\u6613\u4e0e\u4e3b\u4fe1\u53f7\u533a\u5206\u5f00\u6765\u3002\u4f46\u8fd9\u4ef6\u4e8b\u5728\u7a84\u5e26\u7cfb\u7edf\u91cc\u5374\u975e\u5e38\u8017\u65f6\u548c\u56f0\u96be\u3002<\/p>\n

UWB\u5728\u65e0\u7ebf\u7535\u9891\u8c31\u7684\u5176\u4ed6\u90e8\u5206\u5de5\u4f5c\uff0c\u8fdc\u79bb\u805a\u96c6\u57282.4 GHz\u5468\u56f4\u7684\u7e41\u5fd9ISM\u9891\u6bb5\u3002\u7528\u4e8e\u5b9a\u4f4d\u548c\u6d4b\u8ddd\u7684UWB\u8109\u51b2\u57286.5\u548c8 GHz\u4e4b\u95f4\u7684\u9891\u7387\u8303\u56f4\u5185\u5de5\u4f5c\uff0c\u4e0d\u4f1a\u5e72\u6270\u9891\u8c31\u5176\u4ed6\u9891\u6bb5\u53d1\u751f\u7684\u65e0\u7ebf\u4f20\u8f93\u3002\u8fd9\u610f\u5473\u7740UWB\u80fd\u591f\u4e0e\u73b0\u5728\u6700\u6d41\u884c\u7684\u65e0\u7ebf\u5f62\u5f0f\u5171\u5b58\uff0c\u5305\u62ec\u536b\u661f\u5bfc\u822a\u3001Wi-Fi\u548c\u84dd\u7259\u3002<\/p>\n

\u5728\u5178\u578b\u529f\u7387\u7ea7\u5de5\u4f5c\u65f6\uff0c\u8ddd\u79bb\u6700\u957f\u53ef\u8fbe10\u7c73\u5de6\u53f3\u3002\u4f46\u5982\u679c\u4f7f\u7528\u8f83\u9ad8\u529f\u7387\u8109\u51b2\uff0cUWB\u7684\u8ddd\u79bb\u751a\u81f3\u53ef\u8fbe200\u7c73\u3002UWB\u901a\u4fe1\u8fd8\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\uff0c\u5176\u4e2dUWB\u6570\u636e\u5305\u7684\u6709\u6548\u8f7d\u8377\u90e8\u5206\u4ee5\u5927\u7ea67 Mbps\u7684\u901f\u7387\u53d1\u9001\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u4ee5\u7ee7\u7eed\u52a0\u901f\uff0c\u6700\u9ad8\u53ef\u8fbe32 Mbps\u3002<\/p>\n

\u73b0\u5728\uff0cUWB\u4f7f\u7528\u8c03\u5236\u8109\u51b2\u5e8f\u5217\uff0c\u6301\u7eed\u65f6\u95f4\u4e3a2ns\uff0c\u975e\u5e38\u77ed\u3002\u8109\u51b2\u95f4\u8ddd\u53ef\u4ee5\u76f8\u540c\uff0c\u4e5f\u53ef\u4ee5\u4e0d\u540c\u3002\u8109\u51b2\u91cd\u590d\u9891\u7387(PRF)\u4ece\u6bcf\u79d2\u6570\u5341\u4e07\u8109\u51b2\u5230\u6bcf\u79d2\u6570\u5341\u4ebf\u8109\u51b2\u4e0d\u7b49\u3002\u901a\u5e38\u652f\u6301\u7684PRF\u662f62.4 MHz\u548c\/\u6216124.8 MHz\uff0c\u5206\u522b\u79f0\u4e3aPRF64\u548cPRF128\u3002UWB\u7684\u8c03\u5236\u6280\u672f\u5305\u62ec\u8109\u51b2\u4f4d\u7f6e\u8c03\u5236\u548c\u4e8c\u8fdb\u5236\u76f8\u79fb\u952e\u63a7\u3002<\/p>\n

\u5b9a\u4e49\u8109\u51b2\u91cd\u590d\u9891\u7387<\/strong><\/p>\n

\u8109\u51b2\u53d1\u5c04\u5668\u5728\u5f00\u4e0e\u5173\u4e4b\u95f4\u5207\u6362\uff0c\u4ee5\u7279\u5b9a\u901f\u7387\uff08PRT\u6216PRF\uff09\u63d0\u4f9b\u5cf0\u503c\u529f\u7387(Ppeak)\u3002<\/p>\n

\u6700\u5927\u8ddd\u79bb\u4e0e\u53d1\u5c04\u5668\u8f93\u51fa\u529f\u7387\u76f4\u63a5\u76f8\u5173\u3002\u7cfb\u7edf\u53d1\u5c04\u7684\u80fd\u91cf\u8d8a\u591a\uff0c\u76ee\u6807\u68c0\u6d4b\u8ddd\u79bb\u5c06\u8d8a\u5927\u3002<\/p>\n

\u98de\u884c\u65f6\u95f4\uff08ToF\uff09\u7684\u8ba1\u7b97<\/strong><\/p>\n

\u5728\u79d1\u5b66\u548c\u519b\u4e8b\u5e94\u7528\u4e2d\uff0c\u786e\u5b9a\u4e24\u70b9\uff08\u6216\u4e24\u4e2a\u8bbe\u5907\uff09\u95f4\u6c34\u5e73\u8ddd\u79bb\u7684\u8fc7\u7a0b\u88ab\u79f0\u4e3a\u6d4b\u8ddd\u3002\u98de\u884c\u65f6\u95f4\uff08ToF\uff09\u662f\u6d4b\u8ddd\u7684\u4e00\u79cd\u5f62\u5f0f\uff0c\u4f7f\u7528\u4fe1\u53f7\u884c\u7a0b\u65f6\u95f4\u6765\u8ba1\u7b97\u8ddd\u79bb\u3002<\/p>\n

\u4e3a\u4e86\u8ba1\u7b97\u98de\u884c\u65f6\u95f4(ToF)\uff0c\u6211\u4eec\u6d4b\u91cf\u4fe1\u53f7\u4ece\u5230\u8fbe\u70b9\u4f20\u8f93\u5230B\u70b9\u6240\u82b1\u8d39\u7684\u65f6\u95f4\u3002\u6211\u4eec\u9009\u53d6\u6d88\u606f\u5f80\u8fd4\u65f6\u95f4\u7684\u5f80\u8fd4\u8bfb\u6570\uff0c\u8fd9\u5305\u62ec\u8bbe\u59072\u4e2d\u7684\u5904\u7406\u65f6\u95f4\u3002\u7136\u540e\u51cf\u53bb\u5904\u7406\u65f6\u95f4\uff0c\u518d\u9664\u4ee52\uff0c\u4fbf\u53ef\u5f97\u51faToF\u3002\u4e3a\u4e86\u786e\u5b9a\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u8986\u76d6\u4e86\u591a\u5c11\u5730\u9762\uff0c\u5c06ToF\u4e58\u4ee5\u5149\u901f\u5373\u53ef\u3002<\/p>\n

\u7531\u4e8eUWB\u7684\u9ad8\u5e26\u5bbd\uff08500 MHz\uff09\uff0c\u8109\u51b2\u5bbd\u5ea6\u4e3a\u7eb3\u79d2\u7ea7\uff0c\u8fd9\u63d0\u9ad8\u4e86\u7cbe\u5ea6\u3002\u4e0e\u4f7f\u7528\u7a84\u5e26\u6536\u53d1\u5668\u7684WiFi\u548cBLE\u4e0d\u540c\uff0cToF\u548c\u6d4b\u8ddd\u7684\u7cbe\u5ea6\u9650\u4e8e\u7ea6+\/-1m\u81f3+\/-5m\uff0c\u800cUWB\u53ef\u7cbe\u786e\u5230+\/-10cm\u4ee5\u5185\u3002<\/p>\n

\u7531\u4e8eUWB\u4fe1\u53f7\u660e\u663e\u4e0d\u540c\u4e14\u6613\u4e8e\u8bfb\u53d6\uff0c\u5373\u4fbf\u5728\u591a\u901a\u9053\u73af\u5883\u4e2d\u4e5f\u662f\u5982\u6b64\uff0c\u56e0\u6b64\u5f53\u8109\u51b2\u79bb\u5f00\u548c\u5230\u8fbe\u65f6\uff0c\u4fe1\u53f7\u66f4\u5bb9\u6613\u8bc6\u522b\uff0c\u4e14\u9ad8\u5ea6\u786e\u5b9a\u3002UWB\u80fd\u591f\u4ee5\u8d85\u9ad8\u7684\u4f20\u8f93\u901f\u7387\u51c6\u786e\u8ddf\u8e2a\u8109\u51b2\u2014\u2014\u5728\u77ed\u7a81\u53d1\u65f6\u95f4\u5185\u53d1\u9001\u5927\u91cf\u8109\u51b2\u2014\u2014\u56e0\u6b64\u5373\u4f7f\u8ddd\u79bb\u975e\u5e38\u77ed\uff0c\u4e5f\u53ef\u4ee5\u8fdb\u884c\u7ec6\u7c92\u5ea6ToF\u8ba1\u7b97\u3002<\/p>\n

\u8c03\u5236\u6b63\u5f26\u6ce2\u5728\u4f7f\u7528Wi-Fi\u6216\u84dd\u7259\u786e\u5b9a\u4f4d\u7f6e\u65f6\u4f1a\u51fa\u73b0\uff0c\u5176\u591a\u901a\u9053\u5206\u91cf\u53ea\u80fd\u4ee5\u590d\u6742\u7684\u65b9\u5f0f\u5206\u79bb\u3002\u8fd9\u4e5f\u5c31\u662fWi-Fi\u548c\u84dd\u7259\u4e3a\u4f55\u52aa\u529b\u63d0\u4f9b\u7cbe\u5ea6\u4f4e\u4e8e1\u7c73\u7684\u51c6\u786e\u6d4b\u91cf\u503c\u7684\u90e8\u5206\u539f\u56e0\u3002<\/p>\n

 <\/p>\n

\u53ef\u9009\u7684\u5230\u8fbe\u89d2\uff08AoA\uff09\u8ba1\u7b97<\/strong><\/p>\n

\u8bf7\u52a1\u5fc5\u6ce8\u610f\uff0cToF\u8ba1\u7b97\u786e\u5b9a\u7684\u662f\u5f84\u5411\u8ddd\u79bb\uff0c\u800c\u4e0d\u662f\u65b9\u5411\u3002\u4e5f\u5c31\u662f\u8bf4\uff0cToF\u8ba1\u7b97\u544a\u8bc9\u8bbe\u59071\u5176\u4e0e\u8bbe\u59072\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u4f46\u4e0d\u544a\u8bc9\u8bbe\u59072\u7684\u65b9\u5411\u2014\u2014\u524d\u3001\u540e\u3001\u5de6\u3001\u53f3\u3001\u4e1c\u3001\u5357\u3001\u897f\u8fd8\u662f\u5317\u3002\u6240\u4ee5ToF\u56fe\u662f\u4e00\u4e2a\u5706\u5708\uff1a\u5982\u679cToF\u8ba1\u7b97\u8868\u660e\u8bbe\u59072\u4e0e\u8bbe\u59071\u4e4b\u95f4\u7684\u8ddd\u79bb\u4e3a15 cm\uff0c\u5219\u4ee5\u8bbe\u59071\u4e3a\u5706\u5fc3\uff0c\u7528\u5377\u5c3a\u5728\u6bcf\u4e2a\u65b9\u5411\u6d4b\u91cf15 cm\uff0c\u4ee5\u6b64\u65b9\u5f0f\u5f62\u6210\u4e00\u4e2a\u5706\u5708\uff0c\u8bbe\u59072\u53ef\u4ee5\u5728\u8be5\u5706\u5708\u4e2d\u7684\u4efb\u610f\u4f4d\u7f6e\u3002\u82e5\u8981\u901a\u8fc7\u7b2c\u4e8c\u6b21\u6d4b\u91cf\u7684\u65b9\u5f0f\uff0c\u4f7f\u7528\u4e24\u4e2a\u8ddd\u79bb\u5706\u5708\u7684\u4ea4\u96c6\u6765\u786e\u5b9a\u4f4d\u7f6e\uff0c\u5219\u9700\u8981\u989d\u5916\u7684\u8bbe\u5907\u3002<\/p>\n

\u56e0\u6b64\uff0c\u8981\u5b8c\u5584UWB\u6280\u672f\u7684\u8ba8\u8bba\uff0c\u6211\u4eec\u5e94\u8be5\u8003\u8651\u53e6\u4e00\u4e2a\u65b9\u9762\uff0c\u4e5f\u5c31\u662f\u5f53\u524d\u975e\u6c7d\u8f66\u5e94\u7528\u7684\u4e00\u4e2a\u91cd\u8981\u56e0\u7d20\uff1a\u5230\u8fbe\u89d2(AoA)\u3002\u5230\u8fbe\u89d2\u53ef\u5e2e\u52a9\u786e\u5b9a\u8bbe\u59072\u5728\u8be5\u5706\u5708\u4e2d\u7684\u54ea\u4e2a\u4f4d\u7f6e\u3002\u4e3a\u4e86\u8ba1\u7b97AoA\uff0c\u8bbe\u59071\u9700\u8981\u914d\u5907\u4e00\u7ec4\u5c0f\u5fc3\u653e\u7f6e\u7684\u4e13\u7528\u5929\u7ebf\uff0c\u8fd9\u7ec4\u5929\u7ebf\u4ec5\u7528\u4e8eAoA\u6d4b\u91cf\u3002\u5e76\u975e\u6240\u6709UWB\u89e3\u51b3\u65b9\u6848\u90fd\u5305\u542b\u989d\u5916\u5929\u7ebf\uff0c\u4f46\u5305\u542b\u989d\u5916\u5929\u7ebf\u7684UWB\u80fd\u591f\u7cbe\u786e\u5230\u51e0\u5398\u7c73\u4ee5\u5185\u3002<\/p>\n

 <\/p>\n

AoA\u8ba1\u7b97\u662f\u5355\u72ec\u8fdb\u884c\u7684\uff0c\u4e0eToF\u8ba1\u7b97\u4e0d\u540c\uff0c\u4f46\u4e8c\u8005\u5177\u6709\u76f8\u4f3c\u6027\uff1a\u5b83\u4eec\u90fd\u4ee5\u8109\u51b2\u5b9a\u65f6\u5f00\u59cb\u3002\u5728AoA\u9635\u5217\u4e2d\u7684\u6bcf\u4e2a\u5929\u7ebf\uff0c\u63a5\u6536\u5230\u7684\u6bcf\u4e2a\u4fe1\u53f7\u7684\u5230\u8fbe\u65f6\u95f4\u4e0e\u76f8\u4f4d\u5b58\u5728\u5fae\u5c0f\u4f46\u53ef\u8fa8\u522b\u7684\u5dee\u5f02\u3002\u8bb0\u5f55\u6bcf\u4e2a\u4fe1\u53f7\u7684\u5230\u8fbe\u65f6\u95f4\u4e0e\u76f8\u4f4d\uff0c\u7136\u540e\u7528\u4e8e\u7c7b\u4f3c\u4e09\u89d2\u6d4b\u91cf\u7684\u51e0\u4f55\u8ba1\u7b97\u4e2d\uff0c\u4ece\u800c\u786e\u5b9a\u4fe1\u53f7\u6765\u81ea\u54ea\u91cc\u3002<\/p>\n

\u56fe5\u4e2d\u5de6\u56fe\u4ee5\u8bbe\u59071\u4e0a\u7684\u4e24\u4e2aAoA\u5929\u7ebfRx1\u548cRx2\u4e3a\u4f8b\u3002\u4e0eRx2\u76f8\u6bd4\uff0c\u4ece\u8bbe\u59072\u53d1\u51fa\u7684\u4fe1\u53f7\u9700\u8981\u66f4\u957f\u65f6\u95f4\u624d\u80fd\u5230\u8fbeRx1\uff0c\u8fd9\u8868\u793aRx1\u3001Rx2\u548c\u4fe1\u53f7\u539f\u70b9\u7ec4\u6210\u7684\u4e09\u89d2\u5f62\u5411\u53f3\u503e\u659c\uff0c\u6307\u793a\u4fe1\u53f7\u6765\u81ea\u8bbe\u59071\u7684\u4e1c\u5317\u65b9\u5411\u3002<\/p>\n

\u4e0eRx2\u76f8\u6bd4\uff0c\u4ece\u8bbe\u59072\u4f20\u8f93\u5230\u8bbe\u59071\u7684\u4fe1\u53f7\u9700\u8981\u66f4\u957f\u65f6\u95f4\u624d\u80fd\u5230\u8fbeRx1\u3002\u56fe5\u4e2d\u53f3\u56fe\u663e\u793a\u7684AoA\u8ba1\u7b97\u4f7f\u7528\u5230\u8fbe\u65f6\u95f4\u548c\u5929\u7ebf\u95f4\u8ddd\u6765\u786e\u5b9a\u6bcf\u4e2a\u4f20\u5165\u4fe1\u53f7\u7684\u89d2\u5ea6\uff0c\u5e76\u7ed8\u5236\u7531Rx1\u3001Rx2\u548c\u8bbe\u59072\u7ec4\u6210\u7684\u4e09\u89d2\u5f62\u3002\u5728\u672c\u4f8b\u4e2d\uff0c\u8be5\u4e09\u89d2\u5f62\u4e2dRx1\u7684\u8fb9\u8f83\u957f\uff0c\u5e76\u6307\u5411\u53f3\u8fb9\uff0c\u8fd9\u8868\u793a\u8bbe\u59072\u5728\u8bbe\u59071\u7684\u53f3\u8fb9\u3002<\/p>\n

 <\/p>\n

UWB\u5982\u4f55\u7ba1\u7406\u5b89\u5168\u6027\uff1f<\/h3>\n

UWB\u4e2d\u589e\u6dfb\u7684\u5176\u4e2d\u4e00\u4e2a\u91cd\u8981\u7279\u6027\u662f\u7269\u7406\u5c42\uff08PHY\uff09\u4e2d\u7528\u4e8e\u6536\u53d1\u6570\u636e\u5305\u7684\u989d\u5916\u90e8\u5206\uff0c\u8fd9\u4f5c\u4e3a\u5373\u5c06\u63a8\u51fa\u7684802.15.4z\u89c4\u8303\u7684\u4e00\u90e8\u5206\u8fdb\u884c\u5b9a\u4e49\u3002\u8be5\u65b0\u7279\u6027\u4ee5\u6069\u667a\u6d66\u5f00\u53d1\u548c\u63a8\u8350\u7684\u4e00\u9879\u6280\u672f\u4e3a\u57fa\u7840\uff0c\u79f0\u4e3a\u6270\u9891\u65f6\u95f4\u6233\u5e8f\u5217\uff08STS\uff09\u3002\u65b0\u7279\u6027\u589e\u6dfb\u4e86\u52a0\u5bc6\u3001\u968f\u673a\u6570\u751f\u6210\u548c\u5176\u4ed6\u6280\u672f\uff0c\u4f7f\u5f97\u5916\u90e8\u653b\u51fb\u8005\u66f4\u96be\u8bbf\u95ee\u6216\u64cd\u63a7UWB\u901a\u4fe1\u3002<\/p>\n

\u4fdd\u62a4ToF\u8ba1\u7b97<\/p>\n

\u98de\u884c\u65f6\u95f4\u8ba1\u7b97\u5f88\u5bb9\u6613\u53d7\u5230\u8ddd\u79bb\u64cd\u63a7\u7684\u5f71\u54cd\u3002\u5982\u679c\u60a8\u53ef\u4ee5\u5e72\u6270\u65f6\u95f4\u6233\u6216\u8ba1\u7b97\u7684\u5176\u4ed6\u65b9\u9762\uff0c\u5c31\u53ef\u4ee5\u4f7f\u60a8\u770b\u8d77\u6765\u6bd4\u5b9e\u9645\u66f4\u8fd1\u3002\u5728\u7279\u5b9a\u5e94\u7528\u4e2d\uff0c\u5982\u5b89\u5168\u8bbf\u95ee\uff0c\u8fd9\u4f1a\u6b3a\u9a97\u7cfb\u7edf\u8ba4\u4e3a\u6388\u6743\u7528\u6237\u5728\u65c1\u8fb9\uff08\u4f46\u5b9e\u9645\u4e0a\u5e76\u6ca1\u6709\uff09\u5e76\u89e6\u53d1\u5f00\u9501\uff08\u5176\u5b9e\u4e0d\u5e94\u5f00\u9501\uff09\uff0c\u8fd9\u662f\u4e2a\u4e25\u91cd\u7684\u95ee\u9898\u3002<\/p>\n

\u9488\u5bf9\u6d4b\u8ddd\u7684\u539f\u59cbUWB\u6807\u51c6802.15.4a\u5df2\u53d1\u5e03\u5341\u591a\u5e74\uff0c\u5bf9\u5b89\u5168\u6027\u7684\u91cd\u89c6\u5df2\u7ecf\u8ddf\u4e0d\u4e0a\u73b0\u5728\u7684\u53d1\u5c55\u3002\u5728\u6d4b\u8bd54a\u6807\u51c6\u65f6\uff0c\u7814\u7a76\u4eba\u5458\u53d1\u73b0\uff0c\u5916\u90e8\u653b\u51fb\u8005\u80fd\u591f\u4ee5\u8d85\u8fc799%\u7684\u6982\u7387\u5c06\u6d4b\u91cf\u7684\u8ddd\u79bb\u51cf\u5c11\u591a\u8fbe140\u7c73\u3002\u5bf9\u8fd9\u4e00\u7279\u5b9a\u6f0f\u6d1e\u7684\u62c5\u5fe7\u4fc3\u4f7f\u4eba\u4eec\u5f00\u59cb\u4fee\u8ba24z\u6807\u51c6\u3002<\/p>\n

\u5177\u4f53\u60f3\u6cd5\u662f\uff0c\u901a\u8fc7\u4e3aPHY\u6570\u636e\u5305\u6dfb\u52a0\u52a0\u5bc6\u5bc6\u94a5\u548c\u6570\u5b57\u968f\u673a\u6027\uff0c\u963b\u6b62ToF\u76f8\u5173\u6570\u636e\u53ef\u8bbf\u95ee\u6216\u53ef\u9884\u6d4b\u3002\u8fd9\u6709\u52a9\u4e8e\u62b5\u5fa1\u4f7f\u7528\u539f\u59cbUWB PHY\u7684\u786e\u5b9a\u6027\u548c\u53ef\u9884\u6d4b\u6027\u8d28\u6765\u64cd\u63a7\u8ddd\u79bb\u8bfb\u6570\u7684\u5404\u79cd\u5916\u90e8\u653b\u51fb\uff0c\u5305\u62ecCicada\u5de5\u5177\u3001Preamble\u6ce8\u5165\u548c\u65e9\u68c0\u6d4b\/\u665a\u8fde\u63a5(EDLC)\u653b\u51fb\u3002\u66f4\u65b0\u540e\u7684\u65b9\u6cd5\u80fd\u591f\u63d0\u4f9b\u5c3d\u53ef\u80fd\u6700\u597d\u7684\u4fdd\u62a4\uff0c\u907f\u514d\u906d\u5230\u4ee5\u64cd\u63a7\u8ddd\u79bb\u6d4b\u91cf\u503c\u4e3a\u76ee\u6807\u7684\u66b4\u529b\u653b\u51fb\u3002<\/p>\n

\u514d\u8d23\u58f0\u660e\uff1a\u672c\u6587\u6765\u6e90NXP\uff0c\u7248\u6743\u5f52\u539f\u4f5c\u8005\u6240\u6709\u3002\u5982\u6d89\u53ca\u4f5c\u54c1\u7248\u6743\u95ee\u9898\uff0c\u8bf7\u4e0e\u6211\u8054\u7cfb\u5220\u9664\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

UWB\u6280\u672f\u7684\u8d77\u6e90 1960\u5e74\u4ee3\uff0c\u4eba\u4eec\u9996\u6b21\u5f00\u53d1\u51faUWB\uff0c\u5c06\u5176\u7528… <\/p>\n","protected":false},"author":1,"featured_media":80,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[76],"class_list":["post-79","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uwbtech","tag-uwb"],"yoast_head":"\nUWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6 - UWB\u82af\u7247\u5b9e\u9a8c\u5ba4<\/title>\n<meta name=\"description\" content=\"- UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"\/\/www.100wfx.com\/uwbtech\/79.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6 - UWB\u82af\u7247\u5b9e\u9a8c\u5ba4\" \/>\n<meta property=\"og:description\" content=\"- UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6\" \/>\n<meta property=\"og:url\" content=\"\/\/www.100wfx.com\/uwbtech\/79.html\" \/>\n<meta property=\"og:site_name\" content=\"UWB\u82af\u7247\u5b9e\u9a8c\u5ba4\" \/>\n<meta property=\"article:published_time\" content=\"2020-07-07T04:16:48+00:00\" \/>\n<meta property=\"og:image\" content=\"\/\/www.100wfx.com\/wp-content\/uploads\/2024\/03\/UWBLab.png\" \/>\n\t<meta property=\"og:image:width\" content=\"512\" \/>\n\t<meta property=\"og:image:height\" content=\"512\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"UWBadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"UWBadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"\/\/www.100wfx.com\/uwbtech\/79.html#article\",\"isPartOf\":{\"@id\":\"\/\/www.100wfx.com\/uwbtech\/79.html\"},\"author\":{\"name\":\"UWBadmin\",\"@id\":\"\/\/www.100wfx.com\/#\/schema\/person\/5ea34ce0f8e6e01e18f5ec187bf80ae5\"},\"headline\":\"UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6\",\"datePublished\":\"2020-07-07T04:16:48+00:00\",\"dateModified\":\"2020-07-07T04:16:48+00:00\",\"mainEntityOfPage\":{\"@id\":\"\/\/www.100wfx.com\/uwbtech\/79.html\"},\"wordCount\":128,\"commentCount\":0,\"publisher\":{\"@id\":\"\/\/www.100wfx.com\/#organization\"},\"image\":{\"@id\":\"\/\/www.100wfx.com\/uwbtech\/79.html#primaryimage\"},\"thumbnailUrl\":\"\",\"keywords\":[\"UWB\"],\"articleSection\":[\"UWB\u6280\u672f\u9769\u65b0\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"\/\/www.100wfx.com\/uwbtech\/79.html#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"\/\/www.100wfx.com\/uwbtech\/79.html\",\"url\":\"\/\/www.100wfx.com\/uwbtech\/79.html\",\"name\":\"UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6 - UWB\u82af\u7247\u5b9e\u9a8c\u5ba4\",\"isPartOf\":{\"@id\":\"\/\/www.100wfx.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"\/\/www.100wfx.com\/uwbtech\/79.html#primaryimage\"},\"image\":{\"@id\":\"\/\/www.100wfx.com\/uwbtech\/79.html#primaryimage\"},\"thumbnailUrl\":\"\",\"datePublished\":\"2020-07-07T04:16:48+00:00\",\"dateModified\":\"2020-07-07T04:16:48+00:00\",\"description\":\"- UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6\",\"breadcrumb\":{\"@id\":\"\/\/www.100wfx.com\/uwbtech\/79.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"\/\/www.100wfx.com\/uwbtech\/79.html\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"\/\/www.100wfx.com\/uwbtech\/79.html#primaryimage\",\"url\":\"\",\"contentUrl\":\"\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"\/\/www.100wfx.com\/uwbtech\/79.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"\/\/www.100wfx.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6\"}]},{\"@type\":\"WebSite\",\"@id\":\"\/\/www.100wfx.com\/#website\",\"url\":\"\/\/www.100wfx.com\/\",\"name\":\"UWB\u82af\u7247\u5b9e\u9a8c\u5ba4\",\"description\":\"UWB\u8d85\u5bbd\u5e26\u82af\u7247\u5b9a\u4f4d\u6280\u672f\u7cfb\u7edf\",\"publisher\":{\"@id\":\"\/\/www.100wfx.com\/#organization\"},\"alternateName\":\"UWBLAB\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"\/\/www.100wfx.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Organization\",\"@id\":\"\/\/www.100wfx.com\/#organization\",\"name\":\"UWB\u82af\u7247\u5b9e\u9a8c\u5ba4\",\"url\":\"\/\/www.100wfx.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"\/\/www.100wfx.com\/#\/schema\/logo\/image\/\",\"url\":\"\/\/www.100wfx.com\/wp-content\/uploads\/2024\/03\/UWBLab.png\",\"contentUrl\":\"\/\/www.100wfx.com\/wp-content\/uploads\/2024\/03\/UWBLab.png\",\"width\":512,\"height\":512,\"caption\":\"UWB\u82af\u7247\u5b9e\u9a8c\u5ba4\"},\"image\":{\"@id\":\"\/\/www.100wfx.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"\/\/www.100wfx.com\/#\/schema\/person\/5ea34ce0f8e6e01e18f5ec187bf80ae5\",\"name\":\"UWBadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"\/\/www.100wfx.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/d148aa3fc3d8cb7406efa32911c0a284?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/d148aa3fc3d8cb7406efa32911c0a284?s=96&d=mm&r=g\",\"caption\":\"UWBadmin\"},\"sameAs\":[\"\/\/www.100wfx.com\"],\"url\":\"\/\/www.100wfx.com\/author\/uwbadmin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6 - UWB\u82af\u7247\u5b9e\u9a8c\u5ba4","description":"- UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"\/\/www.100wfx.com\/uwbtech\/79.html","og_locale":"zh_CN","og_type":"article","og_title":"UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6 - UWB\u82af\u7247\u5b9e\u9a8c\u5ba4","og_description":"- UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6","og_url":"\/\/www.100wfx.com\/uwbtech\/79.html","og_site_name":"UWB\u82af\u7247\u5b9e\u9a8c\u5ba4","article_published_time":"2020-07-07T04:16:48+00:00","og_image":[{"width":512,"height":512,"url":"\/\/www.100wfx.com\/wp-content\/uploads\/2024\/03\/UWBLab.png","type":"image\/png"}],"author":"UWBadmin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"UWBadmin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"\/\/www.100wfx.com\/uwbtech\/79.html#article","isPartOf":{"@id":"\/\/www.100wfx.com\/uwbtech\/79.html"},"author":{"name":"UWBadmin","@id":"\/\/www.100wfx.com\/#\/schema\/person\/5ea34ce0f8e6e01e18f5ec187bf80ae5"},"headline":"UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6","datePublished":"2020-07-07T04:16:48+00:00","dateModified":"2020-07-07T04:16:48+00:00","mainEntityOfPage":{"@id":"\/\/www.100wfx.com\/uwbtech\/79.html"},"wordCount":128,"commentCount":0,"publisher":{"@id":"\/\/www.100wfx.com\/#organization"},"image":{"@id":"\/\/www.100wfx.com\/uwbtech\/79.html#primaryimage"},"thumbnailUrl":"","keywords":["UWB"],"articleSection":["UWB\u6280\u672f\u9769\u65b0"],"inLanguage":"zh-Hans","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["\/\/www.100wfx.com\/uwbtech\/79.html#respond"]}]},{"@type":"WebPage","@id":"\/\/www.100wfx.com\/uwbtech\/79.html","url":"\/\/www.100wfx.com\/uwbtech\/79.html","name":"UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6 - UWB\u82af\u7247\u5b9e\u9a8c\u5ba4","isPartOf":{"@id":"\/\/www.100wfx.com\/#website"},"primaryImageOfPage":{"@id":"\/\/www.100wfx.com\/uwbtech\/79.html#primaryimage"},"image":{"@id":"\/\/www.100wfx.com\/uwbtech\/79.html#primaryimage"},"thumbnailUrl":"","datePublished":"2020-07-07T04:16:48+00:00","dateModified":"2020-07-07T04:16:48+00:00","description":"- UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6","breadcrumb":{"@id":"\/\/www.100wfx.com\/uwbtech\/79.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["\/\/www.100wfx.com\/uwbtech\/79.html"]}]},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"\/\/www.100wfx.com\/uwbtech\/79.html#primaryimage","url":"","contentUrl":""},{"@type":"BreadcrumbList","@id":"\/\/www.100wfx.com\/uwbtech\/79.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"\/\/www.100wfx.com\/"},{"@type":"ListItem","position":2,"name":"UWB\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u73b0\u72b6"}]},{"@type":"WebSite","@id":"\/\/www.100wfx.com\/#website","url":"\/\/www.100wfx.com\/","name":"UWB\u82af\u7247\u5b9e\u9a8c\u5ba4","description":"UWB\u8d85\u5bbd\u5e26\u82af\u7247\u5b9a\u4f4d\u6280\u672f\u7cfb\u7edf","publisher":{"@id":"\/\/www.100wfx.com\/#organization"},"alternateName":"UWBLAB","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"\/\/www.100wfx.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-Hans"},{"@type":"Organization","@id":"\/\/www.100wfx.com\/#organization","name":"UWB\u82af\u7247\u5b9e\u9a8c\u5ba4","url":"\/\/www.100wfx.com\/","logo":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"\/\/www.100wfx.com\/#\/schema\/logo\/image\/","url":"\/\/www.100wfx.com\/wp-content\/uploads\/2024\/03\/UWBLab.png","contentUrl":"\/\/www.100wfx.com\/wp-content\/uploads\/2024\/03\/UWBLab.png","width":512,"height":512,"caption":"UWB\u82af\u7247\u5b9e\u9a8c\u5ba4"},"image":{"@id":"\/\/www.100wfx.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"\/\/www.100wfx.com\/#\/schema\/person\/5ea34ce0f8e6e01e18f5ec187bf80ae5","name":"UWBadmin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"\/\/www.100wfx.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/d148aa3fc3d8cb7406efa32911c0a284?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d148aa3fc3d8cb7406efa32911c0a284?s=96&d=mm&r=g","caption":"UWBadmin"},"sameAs":["\/\/www.100wfx.com"],"url":"\/\/www.100wfx.com\/author\/uwbadmin"}]}},"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","jetpack-related-posts":[],"_links":{"self":[{"href":"\/\/www.100wfx.com\/wp-json\/wp\/v2\/posts\/79","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.100wfx.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.100wfx.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.100wfx.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.100wfx.com\/wp-json\/wp\/v2\/comments?post=79"}],"version-history":[{"count":0,"href":"\/\/www.100wfx.com\/wp-json\/wp\/v2\/posts\/79\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.100wfx.com\/wp-json\/"}],"wp:attachment":[{"href":"\/\/www.100wfx.com\/wp-json\/wp\/v2\/media?parent=79"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.100wfx.com\/wp-json\/wp\/v2\/categories?post=79"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.100wfx.com\/wp-json\/wp\/v2\/tags?post=79"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}