{"id":7358,"date":"2023-07-25T13:32:20","date_gmt":"2023-07-25T05:32:20","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=7358"},"modified":"2023-07-25T13:32:24","modified_gmt":"2023-07-25T05:32:24","slug":"xxlzdxndlszsm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/7358.html","title":{"rendered":"\u4fe1\u606f\u8bba\u4e2d\u7684\u9999\u519c\u5b9a\u7406\u662f\u6307\u4ec0\u4e48?"},"content":{"rendered":"\n

\u3000\u3000\u5728\u73b0\u4ee3\u793e\u4f1a\u4e2d\uff0c\u4fe1\u606f\u7684\u4f20\u8f93\u548c\u5904\u7406\u5df2\u7ecf\u6210\u4e3a\u4e86\u4e00\u9879\u5173\u952e\u7684\u6280\u672f\u3002\u4fe1\u606f\u8bba\u5219\u662f\u7814\u7a76\u4fe1\u606f\u4f20\u8f93\u548c\u5904\u7406\u7684\u4e00\u95e8\u5b66\u79d1\uff0c\u5176\u4e2d\u9999\u519c\u5b9a\u7406\u662f\u4fe1\u606f\u8bba\u4e2d\u6700\u91cd\u8981\u7684\u5b9a\u7406\u4e4b\u4e00\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u9999\u519c\u5b9a\u7406\u7684\u542b\u4e49\u3001\u5e94\u7528\u4ee5\u53ca\u76f8\u5173\u7684\u6570\u5b66\u539f\u7406\u3002<\/p>\n\n\n\n

\u3000\u3000\u4ec0\u4e48\u662f\u9999\u519c\u5b9a\u7406?<\/h2>\n\n\n\n

\u3000\u3000\u9999\u519c\u5b9a\u7406\u662f\u7531\u7f8e\u56fd\u6570\u5b66\u5bb6\u514b\u52b3\u5fb7\u00b7\u9999\u519c\u57281948\u5e74\u63d0\u51fa\u7684\u3002\u5b83\u662f\u4fe1\u606f\u8bba\u4e2d\u6700\u91cd\u8981\u7684\u5b9a\u7406\u4e4b\u4e00\uff0c\u4e5f\u88ab\u79f0\u4e3a\u4fe1\u606f\u4f20\u8f93\u7684\u6781\u9650\u3002\u8be5\u5b9a\u7406\u7684\u6838\u5fc3\u601d\u60f3\u662f\uff0c\u5728\u7ed9\u5b9a\u4fe1\u9053\u5bb9\u91cf\u7684\u60c5\u51b5\u4e0b\uff0c\u4fe1\u606f\u4f20\u8f93\u7684\u901f\u7387\u5b58\u5728\u4e00\u4e2a\u6781\u9650\uff0c\u79f0\u4e3a\u9999\u519c\u6781\u9650\u3002<\/p>\n\n\n\n

\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0c\u9999\u519c\u5b9a\u7406\u6307\u51fa\uff0c\u5728\u566a\u58f0\u5b58\u5728\u7684\u4fe1\u9053\u4e2d\uff0c\u4fe1\u606f\u4f20\u8f93\u7684\u901f\u7387\u4e0d\u80fd\u8d85\u8fc7\u4fe1\u9053\u5bb9\u91cf\u7684\u6781\u9650\u3002\u4fe1\u9053\u5bb9\u91cf\u662f\u6307\u5728\u7ed9\u5b9a\u4fe1\u566a\u6bd4\u7684\u60c5\u51b5\u4e0b\uff0c\u4fe1\u9053\u80fd\u591f\u4f20\u8f93\u7684\u6700\u5927\u4fe1\u606f\u901f\u7387\u3002\u5f53\u4fe1\u606f\u4f20\u8f93\u901f\u7387\u8d85\u8fc7\u4fe1\u9053\u5bb9\u91cf\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0\u4fe1\u606f\u4f20\u8f93\u9519\u8bef\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n

\u3000\u3000\u9999\u519c\u5b9a\u7406\u7684\u5e94\u7528<\/h2>\n\n\n\n

\u3000\u3000\u9999\u519c\u5b9a\u7406\u5728\u901a\u4fe1\u9886\u57df\u4e2d\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\uff0c\u4fe1\u9053\u5bb9\u91cf\u53ef\u4ee5\u7528\u6765\u8861\u91cf\u65e0\u7ebf\u4fe1\u53f7\u4f20\u8f93\u7684\u8d28\u91cf\u3002\u901a\u8fc7\u6d4b\u91cf\u4fe1\u9053\u5bb9\u91cf\uff0c\u53ef\u4ee5\u4f18\u5316\u65e0\u7ebf\u7f51\u7edc\u7684\u8bbe\u8ba1\uff0c\u63d0\u9ad8\u65e0\u7ebf\u7f51\u7edc\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000\u53e6\u5916\uff0c\u5728\u6570\u5b57\u901a\u4fe1\u4e2d\uff0c\u9999\u519c\u5b9a\u7406\u53ef\u4ee5\u7528\u6765\u786e\u5b9a\u6570\u636e\u4f20\u8f93\u7684\u901f\u7387\u3002\u5982\u679c\u6570\u636e\u4f20\u8f93\u901f\u7387\u8d85\u8fc7\u4e86\u4fe1\u9053\u5bb9\u91cf\uff0c\u90a3\u4e48\u5c31\u4f1a\u51fa\u73b0\u6570\u636e\u4f20\u8f93\u9519\u8bef\u3002\u56e0\u6b64\uff0c\u6839\u636e\u9999\u519c\u5b9a\u7406\uff0c\u53ef\u4ee5\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u4f20\u8f93\u8d28\u91cf\u3002<\/p>\n\n\n\n

\u3000\u3000\u6570\u5b66\u539f\u7406<\/h2>\n\n\n\n

\u3000\u3000\u9999\u519c\u5b9a\u7406\u7684\u6570\u5b66\u539f\u7406\u6d89\u53ca\u5230\u4fe1\u606f\u71b5\u3001\u6761\u4ef6\u71b5\u3001\u8054\u5408\u71b5\u7b49\u6982\u5ff5\u3002\u5176\u4e2d\uff0c\u4fe1\u606f\u71b5\u662f\u6307\u968f\u673a\u53d8\u91cf\u4e0d\u786e\u5b9a\u6027\u7684\u5ea6\u91cf\uff0c\u5373\u71b5\u8d8a\u5927\uff0c\u4e0d\u786e\u5b9a\u6027\u5c31\u8d8a\u9ad8\u3002\u6761\u4ef6\u71b5\u662f\u6307\u5728\u5df2\u77e5\u4e00\u4e9b\u4fe1\u606f\u7684\u60c5\u51b5\u4e0b\uff0c\u968f\u673a\u53d8\u91cf\u7684\u4e0d\u786e\u5b9a\u6027\u7684\u5ea6\u91cf\u3002\u8054\u5408\u71b5\u5219\u662f\u6307\u591a\u4e2a\u968f\u673a\u53d8\u91cf\u7684\u71b5\u7684\u603b\u548c\u3002<\/p>\n\n\n\n

\u3000\u3000\u6839\u636e\u4fe1\u606f\u71b5\u3001\u6761\u4ef6\u71b5\u3001\u8054\u5408\u71b5\u7b49\u6982\u5ff5\uff0c\u53ef\u4ee5\u63a8\u5bfc\u51fa\u9999\u519c\u5b9a\u7406\u7684\u6570\u5b66\u516c\u5f0f\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u9999\u519c\u5b9a\u7406\u7684\u6570\u5b66\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u3000C = B log2(1 + S\/N)<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5176\u4e2d\uff0cC\u662f\u4fe1\u9053\u5bb9\u91cf\uff0cB\u662f\u4fe1\u9053\u5e26\u5bbd\uff0cS\u662f\u4fe1\u53f7\u7684\u5e73\u5747\u529f\u7387\uff0cN\u662f\u566a\u58f0\u7684\u529f\u7387\u3002\u8be5\u516c\u5f0f\u8868\u660e\uff0c\u4fe1\u9053\u5bb9\u91cf\u548c\u4fe1\u53f7\u529f\u7387\u3001\u566a\u58f0\u529f\u7387\u3001\u4fe1\u9053\u5e26\u5bbd\u7b49\u56e0\u7d20\u6709\u5173\u3002<\/p>\n\n\n\n

\u3000\u3000\u7ed3\u8bba\uff1a<\/h2>\n\n\n\n

\u3000\u3000\u9999\u519c\u5b9a\u7406\u662f\u4fe1\u606f\u8bba\u4e2d\u6700\u91cd\u8981\u7684\u5b9a\u7406\u4e4b\u4e00\uff0c\u5b83\u6307\u51fa\u4e86\u4fe1\u606f\u4f20\u8f93\u7684\u6781\u9650\u3002\u5728\u901a\u4fe1\u9886\u57df\u4e2d\uff0c\u9999\u519c\u5b9a\u7406\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u53ef\u4ee5\u7528\u6765\u8861\u91cf\u65e0\u7ebf\u4fe1\u53f7\u4f20\u8f93\u7684\u8d28\u91cf\uff0c\u786e\u5b9a\u6570\u636e\u4f20\u8f93\u7684\u901f\u7387\u7b49\u3002\u6b64\u5916\uff0c\u9999\u519c\u5b9a\u7406\u7684\u6570\u5b66\u539f\u7406\u6d89\u53ca\u5230\u4fe1\u606f\u71b5\u3001\u6761\u4ef6\u71b5\u3001\u8054\u5408\u71b5\u7b49\u6982\u5ff5\uff0c\u53ef\u4ee5\u63a8\u5bfc\u51fa\u9999\u519c\u5b9a\u7406\u7684\u6570\u5b66\u516c\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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