{"id":92056,"date":"2024-04-26T11:29:36","date_gmt":"2024-04-26T03:29:36","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=92056"},"modified":"2024-04-26T11:29:41","modified_gmt":"2024-04-26T03:29:41","slug":"sffyypffydqb-3","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/92056.html","title":{"rendered":"\u65f6\u5206\u590d\u7528\u4e0e\u9891\u5206\u590d\u7528\u7684\u533a\u522b"},"content":{"rendered":"\n

\u3000\u3000\u65f6\u5206\u590d\u7528(Time Division Multiplexing\uff0cTDM)<\/strong>\u548c\u9891\u5206\u590d\u7528(Frequency Division Multiplexing\uff0cFDM)<\/strong>\u662f\u901a\u4fe1\u9886\u57df\u4e2d\u4e24\u79cd\u5e38\u89c1\u7684\u4fe1\u53f7\u8c03\u5ea6\u6280\u672f\uff0c\u5b83\u4eec\u5728\u539f\u7406\u3001\u5e94\u7528\u4ee5\u53ca\u4f18\u7f3a\u70b9\u4e0a\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002<\/p>\n\n\n\n

\u3000\u3000\u4ece\u539f\u7406\u4e0a\u6765\u770b\uff0c\u65f6\u5206\u590d\u7528\u7684\u57fa\u672c\u539f\u7406\u662f\u901a\u8fc7\u65f6\u95f4\u8f74\u7684\u5207\u5272\uff0c\u5c06\u591a\u4e2a\u6570\u636e\u6d41\u6216\u4fe1\u53f7\u5728\u540c\u4e00\u901a\u4fe1\u4ecb\u8d28\u4e0a\u540c\u65f6\u8fdb\u884c\u4f20\u8f93\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5b83\u6d89\u53ca\u5c06\u65f6\u95f4\u5212\u5206\u4e3a\u82e5\u5e72\u4e2a\u7b49\u957f\u7684\u65f6\u9699\uff0c\u6bcf\u4e2a\u65f6\u9699\u5206\u914d\u7ed9\u4e00\u8def\u4fe1\u53f7\uff0c\u4f7f\u5f97\u8fd9\u4e9b\u4fe1\u53f7\u80fd\u591f\u4f9d\u6b21\u5728\u540c\u4e00\u6761\u901a\u4fe1\u7ebf\u8def\u4e0a\u4f20\u8f93\u3002\u800c\u9891\u5206\u590d\u7528\u7684\u539f\u7406\u5219\u662f\u5c06\u591a\u4e2a\u4fe1\u53f7\u6e90\u6309\u9891\u7387\u5206\u7ec4\uff0c\u7136\u540e\u5206\u522b\u4f20\u8f93\uff0c\u4ee5\u5145\u5206\u5229\u7528\u4f20\u8f93\u5e26\u5bbd\u3002\u5b83\u662f\u4e00\u79cd\u5206\u6bb5\u4f20\u8f93\u6280\u672f\uff0c\u53ef\u4ee5\u5c06\u4e00\u4e2a\u5bbd\u5e26\u4fe1\u53f7\u5206\u89e3\u6210\u591a\u4e2a\u72ec\u7acb\u7684\u5b50\u4fe1\u53f7\uff0c\u6bcf\u4e2a\u5b50\u4fe1\u53f7\u7684\u9891\u7387\u8303\u56f4\u4e3a\u4e00\u4e2a\u72ec\u7acb\u7684\u9891\u6bb5\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u5e94\u7528\u65b9\u9762\uff0c\u65f6\u5206\u590d\u7528\u9002\u7528\u4e8e\u90a3\u4e9b\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u5408\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u786e\u4fdd\u4fe1\u53f7\u5728\u7279\u5b9a\u7684\u65f6\u95f4\u5185\u88ab\u51c6\u786e\u5730\u4f20\u8f93\u548c\u63a5\u6536\u3002\u4f8b\u5982\uff0c\u5728\u7535\u8bdd\u901a\u4fe1\u4e2d\uff0c\u6bcf\u4e2a\u901a\u8bdd\u90fd\u662f\u5728\u9884\u5b9a\u7684\u65f6\u95f4\u6bb5\u5185\u8fdb\u884c\u7684\uff0c\u8fd9\u5c31\u4f53\u73b0\u4e86\u65f6\u5206\u590d\u7528\u7684\u5e94\u7528\u3002\u9891\u5206\u590d\u7528\u5219\u66f4\u591a\u5730\u5e94\u7528\u4e8e\u5bbd\u5e26\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u5982\u4e92\u8054\u7f51\u3001\u6709\u7ebf\u7535\u89c6\u7f51\u7edc\u7b49\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u63d0\u4f9b\u66f4\u5927\u7684\u5e26\u5bbd\u5229\u7528\u7387\uff0c\u9002\u5408\u4f20\u8f93\u5927\u91cf\u6570\u636e\u3002<\/p>\n\n\n\n

\u3000\u3000\u5173\u4e8e\u4f18\u7f3a\u70b9\uff0c\u65f6\u5206\u590d\u7528\u7684\u4f18\u70b9\u5728\u4e8e\u5b83\u80fd\u591f\u6709\u6548\u5730\u5229\u7528\u65f6\u95f4\u8d44\u6e90\uff0c\u5b9e\u73b0\u9ad8\u6548\u7387\u7684\u6570\u636e\u4f20\u8f93\u3002\u7136\u800c\uff0c\u5b83\u7684\u7f3a\u70b9\u662f\u9700\u8981\u7cbe\u786e\u7684\u65f6\u95f4\u63a7\u5236\uff0c\u4e14\u5f53\u4fe1\u53f7\u6570\u91cf\u589e\u52a0\u65f6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4fe1\u9053\u7684\u5229\u7528\u7387\u964d\u4f4e\u3002\u9891\u5206\u590d\u7528\u7684\u4f18\u70b9\u5728\u4e8e\u5b83\u80fd\u591f\u63d0\u4f9b\u8f83\u9ad8\u7684\u5e26\u5bbd\u5229\u7528\u7387\uff0c\u9002\u5408\u4f20\u8f93\u5927\u91cf\u6570\u636e\u3002\u4f46\u662f\uff0c\u5b83\u7684\u7f3a\u70b9\u662f\u5728\u76f8\u90bb\u4fe1\u9053\u4e4b\u95f4\u53ef\u80fd\u4ea7\u751f\u5e72\u6270\uff0c\u9700\u8981\u901a\u8fc7\u8bbe\u7f6e\u9694\u79bb\u5e26\u6765\u907f\u514d\u8fd9\u79cd\u5e72\u6270\u3002<\/p>\n\n\n\n

\u3000\u3000\u65f6\u5206\u590d\u7528\u548c\u9891\u5206\u590d\u7528\u5404\u6709\u5176\u7279\u70b9\u548c\u9002\u7528\u573a\u666f\u3002\u65f6\u5206\u590d\u7528\u901a\u8fc7\u65f6\u95f4\u5206\u5272\u5b9e\u73b0\u591a\u8def\u4fe1\u53f7\u7684\u4f20\u8f93\uff0c\u9002\u5408\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u7684\u573a\u5408;\u800c\u9891\u5206\u590d\u7528\u901a\u8fc7\u9891\u7387\u5206\u5272\u5b9e\u73b0\u591a\u8def\u4fe1\u53f7\u7684\u4f20\u8f93\uff0c\u9002\u5408\u5bbd\u5e26\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u6570\u636e\u4f20\u8f93\u3002\u9009\u62e9\u54ea\u79cd\u6280\u672f\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u901a\u4fe1\u9700\u6c42\u548c\u73af\u5883\u6761\u4ef6\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 \u65f6\u5206\u590d\u7528\u548c\u9891\u5206\u590d\u7528\u5728\u73b0\u4ee3\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u5177\u4f53\u5e94\u7528\u6848\u4f8b\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

\u3000\u3000\u65f6\u5206\u590d\u7528\u548c\u9891\u5206\u590d\u7528\u662f\u73b0\u4ee3\u901a\u4fe1\u7cfb\u7edf\u4e2d\u5e38\u7528\u7684\u4e24\u79cd\u591a\u8def\u590d\u7528\u6280\u672f\uff0c\u5b83\u4eec\u5404\u81ea\u5728\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u9891\u5206\u590d\u7528(FDM)\u7684\u5177\u4f53\u5e94\u7528\u6848\u4f8b\u5305\u62ec\u65e0\u7ebf\u7535\u901a\u4fe1\u548c\u6570\u5b57\u7535\u89c6\u3002\u5728\u65e0\u7ebf\u7535\u901a\u4fe1\u9886\u57df\uff0cFDM\u901a\u8fc7\u5c06\u4fe1\u53f7\u5206\u914d\u5230\u4e0d\u540c\u7684\u9891\u7387\u4e0a\u8fdb\u884c\u4f20\u8f93\uff0c\u6709\u6548\u5730\u63d0\u9ad8\u4e86\u4f20\u8f93\u6548\u7387\u5e76\u6539\u5584\u4e86\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4ece\u800c\u63d0\u5347\u4e86\u4fe1\u53f7\u8d28\u91cf\u3002\u6b64\u5916\uff0c\u6b63\u4ea4\u9891\u5206\u590d\u7528(OFDM)\u6280\u672f\uff0c\u4f5c\u4e3aFDM\u7684\u4e00\u79cd\u53d8\u4f53\uff0c\u5df2\u7ecf\u5728\u77ed\u8ddd\u79bb\u65e0\u7ebf\u63a5\u5165\u65b9\u9762\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\uff0c\u7279\u522b\u662f\u5728\u4e0b\u4e00\u4ee3\u79fb\u52a8\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0cOFDM\u56e0\u5176\u9ad8\u9891\u8c31\u5229\u7528\u7387\u3001\u5f3a\u6297\u5e72\u6270\u80fd\u529b\u548c\u826f\u597d\u7684\u5e26\u5bbd\u6269\u5c55\u6027\u800c\u6210\u4e3a\u4e00\u9879\u5173\u952e\u6280\u672f\u3002<\/p>\n\n\n\n

\u3000\u3000\u65f6\u5206\u590d\u7528(TDM)\u7684\u5e94\u7528\u6848\u4f8b\u5219\u4f53\u73b0\u5728\u5149\u901a\u4fe1\u9886\u57df\u3002\u4f8b\u5982\uff0cOptiSystem\u6848\u4f8b\u6559\u5b66\u4e2d\u7684\u65f6\u5206\u590d\u7528\u7cfb\u7edfOTDM\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5c06\u56db\u8def\u4fe1\u53f7\u8fdb\u884c\u65f6\u5206\u590d\u7528\uff0c\u5e76\u8fdb\u884c\u65f6\u949f\u7684\u63d0\u53d6\u4e0e\u89e3\u8c03\u3002\u8fd9\u79cd\u6280\u672f\u901a\u8fc7\u5c06\u65f6\u95f4\u5212\u5206\u4e3a\u82e5\u5e72\u4e2a\u5c0f\u7684\u65f6\u95f4\u6bb5\uff0c\u6bcf\u4e2a\u65f6\u95f4\u6bb5\u5185\u4f20\u8f93\u4e00\u8def\u4fe1\u53f7\uff0c\u5b9e\u73b0\u4e86\u591a\u8def\u4fe1\u53f7\u7684\u6709\u6548\u590d\u7528\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u4fe1\u9053\u7684\u5229\u7528\u7387\uff0c\u8fd8\u4fdd\u8bc1\u4e86\u6570\u636e\u4f20\u8f93\u7684\u9ad8\u6548\u6027\u548c\u5b9e\u65f6\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u9891\u5206\u590d\u7528\u5728\u65e0\u7ebf\u7535\u901a\u4fe1\u548c\u6570\u5b57\u7535\u89c6\u7b49\u9886\u57df\u6709\u5e7f\u6cdb\u5e94\u7528\uff0c\u800c\u65f6\u5206\u590d\u7528\u5219\u5728\u5149\u901a\u4fe1\u9886\u57df\uff0c\u5982OptiSystem\u6848\u4f8b\u4e2d\u7684\u65f6\u5206\u590d\u7528\u7cfb\u7edfOTDM\u4e2d\u5f97\u5230\u5e94\u7528\u3002\u8fd9\u4e24\u79cd\u6280\u672f\u5404\u6709\u7279\u70b9\uff0c\u4f46\u90fd\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u901a\u4fe1\u7cfb\u7edf\u7684\u6548\u7387\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 \u5982\u4f55\u89e3\u51b3\u65f6\u5206\u590d\u7528\u4e2d\u4fe1\u53f7\u6570\u91cf\u589e\u52a0\u5bfc\u81f4\u7684\u4fe1\u9053\u5229\u7528\u7387\u964d\u4f4e\u95ee\u9898?<\/h2>\n\n\n\n

\u3000\u3000\u89e3\u51b3\u65f6\u5206\u590d\u7528\u4e2d\u4fe1\u53f7\u6570\u91cf\u589e\u52a0\u5bfc\u81f4\u7684\u4fe1\u9053\u5229\u7528\u7387\u964d\u4f4e\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u7528\u7edf\u8ba1\u65f6\u5206\u590d\u7528(STDM)\u6280\u672f\u3002\u7edf\u8ba1\u65f6\u5206\u590d\u7528\u662f\u4e00\u79cd\u6539\u8fdb\u7684\u65f6\u5206\u590d\u7528\u6280\u672f\uff0c\u5b83\u901a\u8fc7\u52a8\u6001\u5206\u914d\u65f6\u9699\u7684\u65b9\u5f0f\u6765\u63d0\u9ad8\u4fe1\u9053\u7684\u5229\u7528\u7387\u3002\u5728\u4f20\u7edf\u7684\u65f6\u5206\u590d\u7528(TDM)\u4e2d\uff0c\u6bcf\u4e2a\u7528\u6237\u90fd\u88ab\u5206\u914d\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u7684\u65f6\u9699\uff0c\u5f53\u8be5\u7528\u6237\u6682\u65f6\u6ca1\u6709\u6570\u636e\u53d1\u9001\u65f6\uff0c\u8fd9\u4e2a\u65f6\u9699\u5c31\u4f1a\u5904\u4e8e\u7a7a\u95f2\u72b6\u6001\uff0c\u800c\u5176\u4ed6\u6709\u6570\u636e\u8981\u53d1\u9001\u7684\u7528\u6237\u5219\u65e0\u6cd5\u4f7f\u7528\u8fd9\u4e9b\u7a7a\u95f2\u7684\u65f6\u9699\uff0c\u8fd9\u5bfc\u81f4\u4e86\u4fe1\u9053\u5229\u7528\u7387\u4e0d\u9ad8\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u7edf\u8ba1\u65f6\u5206\u590d\u7528\u6280\u672f\u5e76\u4e0d\u56fa\u5b9a\u5206\u914d\u65f6\u9699\uff0c\u800c\u662f\u6839\u636e\u5b9e\u9645\u7684\u6570\u636e\u4f20\u8f93\u9700\u6c42\u52a8\u6001\u5730\u5206\u914d\u65f6\u9699\u3002\u8fd9\u79cd\u7075\u6d3b\u7684\u65f6\u9699\u5206\u914d\u65b9\u5f0f\u4f7f\u5f97\u5373\u4f7f\u5728\u67d0\u4e9b\u7528\u6237\u6682\u65f6\u65e0\u6570\u636e\u53d1\u9001\u7684\u60c5\u51b5\u4e0b\uff0c\u5176\u4ed6\u7528\u6237\u7684\u4fe1\u53f7\u4e5f\u53ef\u4ee5\u586b\u5145\u8fd9\u4e9b\u7a7a\u95f2\u7684\u65f6\u9699\uff0c\u4ece\u800c\u6709\u6548\u63d0\u9ad8\u4e86\u4fe1\u9053\u7684\u6574\u4f53\u5229\u7528\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u901a\u8fc7\u91c7\u7528\u7edf\u8ba1\u65f6\u5206\u590d\u7528\u6280\u672f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u51b3\u65f6\u5206\u590d\u7528\u4e2d\u56e0\u4fe1\u53f7\u6570\u91cf\u589e\u52a0\u800c\u5bfc\u81f4\u7684\u4fe1\u9053\u5229\u7528\u7387\u964d\u4f4e\u95ee\u9898\uff0c\u5b9e\u73b0\u4fe1\u9053\u8d44\u6e90\u7684\u66f4\u9ad8\u6548\u5229\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 \u9891\u5206\u590d\u7528\u5982\u4f55\u8bbe\u7f6e\u9694\u79bb\u5e26\u6765\u907f\u514d\u76f8\u90bb\u4fe1\u9053\u4e4b\u95f4\u7684\u5e72\u6270?<\/h2>\n\n\n\n

\u3000\u3000\u9891\u5206\u590d\u7528(FDM)\u6280\u672f\u4e2d\uff0c\u4e3a\u4e86\u907f\u514d\u76f8\u90bb\u4fe1\u9053\u4e4b\u95f4\u7684\u5e72\u6270\uff0c\u901a\u5e38\u9700\u8981\u5728\u5404\u5b50\u4fe1\u9053\u4e4b\u95f4\u8bbe\u7acb\u9694\u79bb\u5e26\uff0c\u5373\u4fdd\u62a4\u9891\u5e26\u3002\u8fd9\u79cd\u505a\u6cd5\u7684\u76ee\u7684\u662f\u786e\u4fdd\u4e0d\u540c\u5b50\u4fe1\u9053\u4e2d\u7684\u4fe1\u53f7\u4e92\u4e0d\u5e72\u6270\uff0c\u4ece\u800c\u4fdd\u8bc1\u901a\u4fe1\u7684\u6e05\u6670\u5ea6\u548c\u7a33\u5b9a\u6027\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u9891\u5206\u590d\u7528\u8981\u6c42\u603b\u9891\u7387\u5bbd\u5ea6\u5927\u4e8e\u5404\u4e2a\u5b50\u4fe1\u9053\u9891\u7387\u4e4b\u548c\uff0c\u5e76\u4e14\u5728\u76f8\u90bb\u9891\u5e26\u4e4b\u95f4\u8bbe\u7f6e\u4e00\u5b9a\u5bbd\u5ea6\u7684\u9694\u79bb\u5e26\uff0c\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u4fe1\u53f7\u95f4\u7684\u76f8\u4e92\u5e72\u6270\u3002<\/p>\n\n\n\n

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