{"id":100366,"date":"2025-01-10T14:38:21","date_gmt":"2025-01-10T06:38:21","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=100366"},"modified":"2025-01-10T14:38:24","modified_gmt":"2025-01-10T06:38:24","slug":"umkzzbsl","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/100366.html","title":{"rendered":"UWB\u6a21\u5757\u5b50\u8f7d\u6ce2\u6570\u91cf"},"content":{"rendered":"\n

\u3000\u3000UWB(\u8d85\u5bbd\u5e26)\u6a21\u5757<\/strong>\u7684\u5b50\u8f7d\u6ce2\u6570\u91cf\u901a\u5e38\u4e3a128\u4e2a\u3002\u4f8b\u5982\uff0c\u548c\u90fd\u63d0\u5230\uff0c\u6bcf\u4e2a\u5de5\u4f5c\u9891\u9053\u4f7f\u7528128\u4e2a\u5b50\u8f7d\u6ce2\uff0c\u5176\u4e2d100\u4e2a\u7528\u4e8e\u4f20\u8f93\u6570\u636e\uff0c\u53e6\u591628\u4e2a\u7528\u4e8e\u4fdd\u62a4\u5e26\u3002\u6b64\u5916\uff0c\u4e5f\u63d0\u5230\uff0cMB-OFDM\u7cfb\u7edf\u4e2d\u7684\u6bcf\u4e2a\u9891\u6bb5\u88ab\u5212\u5206\u4e3a128\u4e2a\u5b50\u8f7d\u6ce2\u3002<\/p>\n\n\n\n

\u3000\u3000\u56e0\u6b64\uff0c\u53ef\u4ee5\u786e\u5b9aUWB\u6a21\u5757\u901a\u5e38\u4f7f\u7528128\u4e2a\u5b50\u8f7d\u6ce2\u3002<\/p>\n\n\n\n

\u3000\u3000UWB\u6a21\u5757\u5b50\u8f7d\u6ce2\u6570\u91cf\u7684\u6700\u65b0\u7814\u7a76\u8fdb\u5c55\u4e3b\u8981\u96c6\u4e2d\u5728WiMedia\u8054\u76df\u7684528MHz\u9891\u5e26\u5185\u3002WiMedia\u8054\u76df\u91c7\u7528\u6b63\u4ea4\u9891\u5206\u590d\u7528(OFDM)\u8c03\u5236\u6280\u672f\uff0c\u5c06528MHz\u9891\u5e26\u5206\u6210128\u4e2a\u5b50\u8f7d\u6ce2\u3002\u8fd9\u4e00\u6280\u672f\u7684\u5e94\u7528\u4f7f\u5f97UWB\u6a21\u5757\u80fd\u591f\u5728\u8f83\u5bbd\u7684\u9891\u8c31\u4e0a\u4f20\u9001\u4f4e\u529f\u7387\u4fe1\u53f7\uff0c\u5b9e\u73b0\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u548c\u9ad8\u7cbe\u5ea6\u5b9a\u4f4d\u7b49\u529f\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b64\u5916\uff0cMurata\u516c\u53f8\u4e5f\u63a8\u51fa\u4e86\u57fa\u4e8eNXP\u82af\u7247\u7ec4\u7684UWB\u6a21\u5757\uff0c\u5982Type 2BP\u548cType 2DK\uff0c\u8fd9\u4e9b\u6a21\u5757\u652f\u6301\u77ed\u7a0b\u5c04\u9891\u6280\u672f\uff0c\u5e76\u5177\u6709\u9ad8\u7cbe\u5ea6\u548c\u4f4e\u529f\u8017\u7684\u7279\u70b9\u3002\u7136\u800c\uff0c\u5173\u4e8e\u8fd9\u4e9b\u6a21\u5757\u7684\u5177\u4f53\u5b50\u8f7d\u6ce2\u6570\u91cf\u5e76\u672a\u5728\u6211\u641c\u7d22\u5230\u7684\u8d44\u6599\u4e2d\u8be6\u7ec6\u8bf4\u660e\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 \u4e0d\u540cUWB\u6280\u672f\u6807\u51c6\u4e2d\u5b50\u8f7d\u6ce2\u6570\u91cf\u662f\u5426\u6709\u5dee\u5f02?<\/h2>\n\n\n\n

\u3000\u3000\u4e0d\u540cUWB\u6280\u672f\u6807\u51c6\u4e2d\u5b50\u8f7d\u6ce2\u6570\u91cf\u786e\u5b9e\u5b58\u5728\u5dee\u5f02\u3002\u4f8b\u5982\uff0cIEEE 802.15.4a\u6807\u51c6\u4e2d\u5b9a\u4e49\u4e86\u4e24\u79cd\u7269\u7406\u5c42\uff1aCSS\u6280\u672f\u548cIR-UWB\u6280\u672f\u3002\u5176\u4e2d\uff0cIR-UWB\u6280\u672f\u91c7\u7528\u57fa\u5e26\u8109\u51b2\u8c03\u5236\uff0c\u800c\u5e26\u5bbd\u8c03\u5236\u6280\u672f(DS-UWB)\u5219\u4f7f\u7528\u591a\u4e2a\u5b50\u8f7d\u6ce2\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u6b64\u5916\uff0cAtheros\u516c\u53f8\u63d0\u51fa\u76845-UPTM\u534f\u8bae\u4e5f\u8868\u660e\u5728\u4e0d\u540c\u7684\u4e1a\u52a1\u4e2d\u4f7f\u7528\u4e0d\u540c\u6570\u91cf\u7684\u5b50\u8f7d\u6ce2\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 UWB\u6a21\u5757\u4e2d\u5b50\u8f7d\u6ce2\u6570\u91cf\u4e0e\u4f20\u8f93\u901f\u7387\u4e4b\u95f4\u7684\u5173\u7cfb\u662f\u600e\u6837\u7684?<\/h2>\n\n\n\n

\u3000\u3000\u5728\u8d85\u5bbd\u5e26\uff08UWB\uff09\u6a21\u5757\u8bbe\u8ba1\u4e2d\uff0c\u5b50\u8f7d\u6ce2\u6570\u91cf\u4e0e\u4f20\u8f93\u901f\u7387\u4e4b\u95f4\u5b58\u5728\u5bc6\u5207\u7684\u5173\u7cfb\u3002\u589e\u52a0\u5b50\u8f7d\u6ce2\u7684\u6570\u91cf\u901a\u5e38\u80fd\u591f\u63d0\u5347\u6574\u4f53\u7684\u9891\u8c31\u6548\u7387<\/strong>\uff0c\u4ece\u800c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002\u8fd9\u662f\u56e0\u4e3a\u66f4\u591a\u7684\u5b50\u8f7d\u6ce2\u610f\u5473\u7740\u53ef\u4ee5\u5728\u76f8\u540c\u7684\u5e26\u5bbd\u5185\u627f\u8f7d\u66f4\u591a\u7684\u6570\u636e\u6d41\uff0c\u6bcf\u4e2a\u5b50\u8f7d\u6ce2\u72ec\u7acb\u5730\u8fdb\u884c\u6570\u636e\u8c03\u5236\u548c\u4f20\u8f93\u3002\u7136\u800c\uff0c\u968f\u7740\u5b50\u8f7d\u6ce2\u6570\u91cf\u7684\u589e\u52a0\uff0c\u7cfb\u7edf\u5bf9\u9891\u7387\u540c\u6b65<\/strong>\u548c\u76f8\u4f4d\u566a\u58f0<\/strong>\u7684\u8981\u6c42\u4e5f\u968f\u4e4b\u63d0\u9ad8\uff0c\u5fc5\u987b\u786e\u4fdd\u5404\u4e2a\u5b50\u8f7d\u6ce2\u4e4b\u95f4\u7684\u5e72\u6270\u6700\u5c0f\u5316\uff0c\u4ee5\u7ef4\u6301\u9ad8\u8d28\u91cf\u7684\u4fe1\u53f7\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b64\u5916\uff0c\u5b50\u8f7d\u6ce2\u6570\u91cf\u7684\u589e\u52a0\u5bf9\u529f\u7387\u5206\u914d<\/strong>\u548c\u4fe1\u9053\u7f16\u7801<\/strong>\u63d0\u51fa\u4e86\u66f4\u9ad8\u7684\u8981\u6c42\u3002\u66f4\u591a\u7684\u5b50\u8f7d\u6ce2\u610f\u5473\u7740\u6bcf\u4e2a\u5b50\u8f7d\u6ce2\u6240\u80fd\u5206\u914d\u7684\u529f\u7387\u76f8\u5bf9\u51cf\u5c11\uff0c\u8fd9\u9700\u8981\u66f4\u52a0\u9ad8\u6548\u7684\u529f\u7387\u7ba1\u7406\u7b56\u7565\u6765\u4f18\u5316\u6bcf\u4e2a\u5b50\u8f7d\u6ce2\u7684\u4fe1\u566a\u6bd4(SNR)\u3002\u540c\u65f6\uff0c\u968f\u7740\u5b50\u8f7d\u6ce2\u6570\u91cf\u7684\u589e\u52a0\uff0c\u7ea0\u9519\u7f16\u7801<\/strong>\u548c\u8c03\u5236\u65b9\u6848<\/strong>\u5fc5\u987b\u66f4\u52a0\u590d\u6742\uff0c\u4ee5\u5e94\u5bf9\u66f4\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u5e26\u6765\u7684\u8bef\u7801\u7387(BER)\u6311\u6218\u3002\u8fd9\u4e9b\u56e0\u7d20\u7efc\u5408\u4f5c\u7528\uff0c\u51b3\u5b9a\u4e86UWB\u6a21\u5757\u5728\u8bbe\u8ba1\u65f6\u9700\u8981\u5728\u5b50\u8f7d\u6ce2\u6570\u91cf\u548c\u4f20\u8f93\u901f\u7387\u4e4b\u95f4\u8fdb\u884c\u6743\u8861\uff0c\u4ee5\u8fbe\u5230\u6700\u4f73\u7684\u6027\u80fd\u8868\u73b0\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5b50\u8f7d\u6ce2\u6570\u91cf\u7684\u8c03\u6574\u8fd8\u4f1a\u5f71\u54cd\u7cfb\u7edf\u5ef6\u8fdf<\/strong>\u548c\u80fd\u8017<\/strong>\u3002\u66f4\u591a\u7684\u5b50\u8f7d\u6ce2\u901a\u5e38\u610f\u5473\u7740\u66f4\u9ad8\u7684\u5e76\u884c\u5904\u7406\u9700\u6c42\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u5904\u7406\u5668\u8d1f\u8f7d<\/strong>\u589e\u52a0\uff0c\u4ece\u800c\u5f15\u8d77\u7cfb\u7edf\u5ef6\u8fdf\u7684\u4e0a\u5347\u3002\u540c\u65f6\uff0c\u589e\u52a0\u5b50\u8f7d\u6ce2\u6570\u91cf\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6574\u4f53\u80fd\u8017\u7684\u589e\u52a0\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u5b50\u8f7d\u6ce2\u90fd\u9700\u8981\u72ec\u7acb\u7684\u8c03\u5236\u548c\u4f20\u8f93\uff0c\u8fd9\u5728\u529f\u8017\u654f\u611f\u7684\u5e94\u7528\u573a\u666f\u4e2d\u5c24\u4e3a\u91cd\u8981\u3002\u56e0\u6b64\uff0c\u8bbe\u8ba1\u8005\u5fc5\u987b\u5728\u4f20\u8f93\u901f\u7387\u63d0\u5347\u4e0e\u7cfb\u7edf\u5ef6\u8fdf\u3001\u80fd\u8017\u4e4b\u95f4\u627e\u5230\u4e00\u4e2a\u5e73\u8861\u70b9\uff0c\u4ee5\u6ee1\u8db3\u7279\u5b9a\u5e94\u7528\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n

\u3000\u3000\u6700\u540e\uff0c\u5b50\u8f7d\u6ce2\u6570\u91cf\u5bf9\u7cfb\u7edf\u590d\u6742\u6027<\/strong>\u548c\u6210\u672c<\/strong>\u4e5f\u6709\u663e\u8457\u5f71\u54cd\u3002\u66f4\u591a\u7684\u5b50\u8f7d\u6ce2\u610f\u5473\u7740\u9700\u8981\u66f4\u590d\u6742\u7684\u4fe1\u53f7\u5904\u7406\u7b97\u6cd5<\/strong>\u548c\u66f4\u9ad8\u6027\u80fd\u7684\u786c\u4ef6\u652f\u6301\uff0c\u8fd9\u65e0\u7591\u4f1a\u589e\u52a0\u7cfb\u7edf\u7684\u8bbe\u8ba1\u590d\u6742\u6027\u548c\u5236\u9020\u6210\u672c\u3002\u6b64\u5916\uff0c\u5b50\u8f7d\u6ce2\u6570\u91cf\u7684\u589e\u52a0\u8fd8\u53ef\u80fd\u5bf9\u9891\u8c31\u7ba1\u7406<\/strong>\u63d0\u51fa\u66f4\u9ad8\u7684\u8981\u6c42\uff0c\u9700\u8981\u66f4\u52a0\u7cbe\u7ec6\u7684\u9891\u8c31\u5206\u914d\u548c\u5e72\u6270\u7ba1\u7406\u7b56\u7565\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1UWB\u6a21\u5757\u65f6\uff0c\u5fc5\u987b\u7efc\u5408\u8003\u8651\u5b50\u8f7d\u6ce2\u6570\u91cf\u5bf9\u4f20\u8f93\u901f\u7387\u3001\u7cfb\u7edf\u590d\u6742\u6027\u3001\u6210\u672c\u4ee5\u53ca\u5176\u4ed6\u5173\u952e\u6027\u80fd\u6307\u6807\u7684\u5f71\u54cd\uff0c\u4ee5\u5b9e\u73b0\u9ad8\u6548\u4e14\u7ecf\u6d4e\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 \u5728\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u4e0b\uff0cUWB\u6a21\u5757\u7684\u5b50\u8f7d\u6ce2\u6570\u91cf\u662f\u5426\u6709\u6240\u4e0d\u540c?<\/h2>\n\n\n\n

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