{"id":64745,"date":"2023-11-07T10:41:25","date_gmt":"2023-11-07T02:41:25","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=64745"},"modified":"2023-11-07T10:41:29","modified_gmt":"2023-11-07T02:41:29","slug":"qtzzmyzhskxwslxdm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/64745.html","title":{"rendered":"QPSK\u8c03\u5236\u5728\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u662f\u8fde\u7eed\u7684\u5417?"},"content":{"rendered":"\n

\u3000\u3000QPSK<\/strong>(Quadrature Phase Shift Keying)\u662f\u4e00\u79cd\u5e38\u7528\u7684\u6570\u5b57\u8c03\u5236\u6280\u672f\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u901a\u4fe1\u9886\u57df\u3002\u5728QPSK\u8c03\u5236\u4e2d\uff0c\u7801\u5143\u8f6c\u6362\u65f6\u523b\u7684\u76f8\u4f4d\u8fde\u7eed\u6027\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6027\u8d28\uff0c\u5b83\u76f4\u63a5\u5f71\u54cd\u5230\u4fe1\u53f7\u7684\u89e3\u8c03\u6027\u80fd\u548c\u8bef\u7801\u7387\u3002\u672c\u6587\u5c06\u5bf9QPSK\u8c03\u5236\u7684\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u8fde\u7eed\u6027\u8fdb\u884c\u5206\u6790\uff0c\u5e76\u8ba8\u8bba\u5176\u5f71\u54cd\u56e0\u7d20\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001QPSK\u8c03\u5236\u7684\u57fa\u672c\u539f\u7406<\/h2>\n\n\n\n

\u3000\u3000QPSK\u8c03\u5236\u662f\u4e00\u79cd\u57fa\u4e8e\u76f8\u4f4d\u8c03\u5236\u7684\u6570\u5b57\u8c03\u5236\u6280\u672f\u3002\u5b83\u5c06\u6bcf\u4e24\u4e2a\u8fde\u7eed\u7684\u6bd4\u7279\u6620\u5c04\u4e3a\u4e00\u4e2a\u76f8\u4f4d\u70b9\uff0c\u5171\u6709\u56db\u4e2a\u76f8\u4f4d\u70b9\uff0c\u5206\u522b\u4e3a0\u00b0\u300190\u00b0\u3001180\u00b0\u548c270\u00b0\u3002<\/strong>\u5728\u53d1\u9001\u7aef\uff0cQPSK\u8c03\u5236\u5668\u5c06\u8f93\u5165\u7684\u6bd4\u7279\u6d41\u5206\u4e3a\u4e24\u4e2a\u5e76\u884c\u7684\u6bd4\u7279\u6d41\uff0c\u5206\u522b\u79f0\u4e3aI\u8def\u548cQ\u8def\u3002I\u8def\u548cQ\u8def\u7684\u6bd4\u7279\u6d41\u5206\u522b\u7ecf\u8fc7\u76f8\u4f4d\u8c03\u5236\u5668\uff0c\u8c03\u5236\u6210\u4e0d\u540c\u7684\u76f8\u4f4d\u70b9\uff0c\u5e76\u901a\u8fc7\u6b63\u4ea4\u8c03\u5236\u5668\u53e0\u52a0\u6210\u4e00\u4e2a\u590d\u5408\u4fe1\u53f7\uff0c\u7136\u540e\u53d1\u9001\u51fa\u53bb\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u7684\u8fde\u7eed\u6027<\/h2>\n\n\n\n

\u3000\u3000\u5728QPSK\u8c03\u5236\u4e2d\uff0c\u7801\u5143\u8f6c\u6362\u65f6\u523b\u662f\u6307\u6bcf\u4e2a\u6bd4\u7279\u4e4b\u95f4\u7684\u5207\u6362\u65f6\u523b\u3002\u5bf9\u4e8e\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u7684\u8fde\u7eed\u6027\uff0c\u6709\u4e24\u79cd\u60c5\u51b5\uff1a\u76f8\u4f4d\u8fde\u7eed\u548c\u76f8\u4f4d\u4e0d\u8fde\u7eed\u3002<\/p>\n\n\n\n

\u3000\u30001. \u76f8\u4f4d\u8fde\u7eed<\/h3>\n\n\n\n

\u3000\u3000\u76f8\u4f4d\u8fde\u7eed\u662f\u6307\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u4e4b\u95f4\u7684\u53d8\u5316\u662f\u5e73\u6ed1\u8fde\u7eed\u7684\u3002\u5728\u76f8\u4f4d\u8fde\u7eed\u7684\u60c5\u51b5\u4e0b\uff0c\u4fe1\u53f7\u7684\u76f8\u4f4d\u53d8\u5316\u662f\u7ebf\u6027\u7684\uff0c\u6ca1\u6709\u7a81\u53d8\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u89e3\u8c03\u5668\u53ef\u4ee5\u51c6\u786e\u5730\u6062\u590d\u51fa\u53d1\u9001\u7aef\u53d1\u9001\u7684\u76f8\u4f4d\u4fe1\u606f\uff0c\u4ece\u800c\u5b9e\u73b0\u4fe1\u53f7\u7684\u89e3\u8c03\u3002<\/p>\n\n\n\n

\u3000\u30002. \u76f8\u4f4d\u4e0d\u8fde\u7eed<\/h3>\n\n\n\n

\u3000\u3000\u76f8\u4f4d\u4e0d\u8fde\u7eed\u662f\u6307\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u4e4b\u95f4\u7684\u53d8\u5316\u662f\u4e0d\u8fde\u7eed\u7684\uff0c\u5b58\u5728\u7a81\u53d8\u3002\u5728\u76f8\u4f4d\u4e0d\u8fde\u7eed\u7684\u60c5\u51b5\u4e0b\uff0c\u89e3\u8c03\u5668\u65e0\u6cd5\u51c6\u786e\u5730\u6062\u590d\u51fa\u53d1\u9001\u7aef\u53d1\u9001\u7684\u76f8\u4f4d\u4fe1\u606f\uff0c\u4ece\u800c\u5bfc\u81f4\u89e3\u8c03\u6027\u80fd\u4e0b\u964d\u548c\u8bef\u7801\u7387\u7684\u589e\u52a0\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001\u5f71\u54cd\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u8fde\u7eed\u6027\u7684\u56e0\u7d20<\/h2>\n\n\n\n

\u3000\u3000\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u8fde\u7eed\u6027\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u4e0b\u9762\u5217\u4e3e\u4e86\u51e0\u4e2a\u4e3b\u8981\u56e0\u7d20\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u53d1\u9001\u7aef\u7684\u8c03\u5236\u5668\u8bbe\u8ba1<\/h3>\n\n\n\n

\u3000\u3000\u53d1\u9001\u7aef\u7684\u8c03\u5236\u5668\u8bbe\u8ba1\u5bf9\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u8fde\u7eed\u6027\u6709\u7740\u91cd\u8981\u7684\u5f71\u54cd\u3002\u5408\u7406\u7684\u8c03\u5236\u5668\u8bbe\u8ba1\u53ef\u4ee5\u4f7f\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u8fde\u7eed\u6027\u5f97\u5230\u4fdd\u8bc1\uff0c\u4ece\u800c\u63d0\u9ad8\u89e3\u8c03\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u30002. \u4fe1\u9053\u7684\u5f71\u54cd<\/h3>\n\n\n\n

\u3000\u3000\u4fe1\u9053\u7684\u566a\u58f0\u3001\u5e72\u6270\u548c\u8870\u843d\u7b49\u56e0\u7d20\u90fd\u4f1a\u5bf9\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u8fde\u7eed\u6027\u4ea7\u751f\u5f71\u54cd\u3002\u7279\u522b\u662f\u5728\u591a\u5f84\u4f20\u64ad\u73af\u5883\u4e0b\uff0c\u7531\u4e8e\u591a\u5f84\u6548\u5e94\u7684\u5b58\u5728\uff0c\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u53ef\u80fd\u4f1a\u53d1\u751f\u7a81\u53d8\uff0c\u5bfc\u81f4\u76f8\u4f4d\u4e0d\u8fde\u7eed\u3002<\/p>\n\n\n\n

\u3000\u30003. \u63a5\u6536\u7aef\u7684\u89e3\u8c03\u7b97\u6cd5<\/h3>\n\n\n\n

\u3000\u3000\u63a5\u6536\u7aef\u7684\u89e3\u8c03\u7b97\u6cd5\u5bf9\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u8fde\u7eed\u6027\u4e5f\u6709\u4e00\u5b9a\u7684\u5f71\u54cd\u3002\u5408\u9002\u7684\u89e3\u8c03\u7b97\u6cd5\u53ef\u4ee5\u51cf\u5c0f\u76f8\u4f4d\u4e0d\u8fde\u7eed\u6027\u5e26\u6765\u7684\u5f71\u54cd\uff0c\u63d0\u9ad8\u89e3\u8c03\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001\u5982\u4f55\u63d0\u9ad8\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u8fde\u7eed\u6027<\/h2>\n\n\n\n

\u3000\u3000\u4e3a\u4e86\u63d0\u9ad8\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u7684\u8fde\u7eed\u6027\uff0c\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\u4f18\u5316\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u53d1\u9001\u7aef\u7684\u8c03\u5236\u5668\u8bbe\u8ba1\u4f18\u5316<\/h3>\n\n\n\n

\u3000\u3000\u5408\u7406\u8bbe\u8ba1\u53d1\u9001\u7aef\u7684\u8c03\u5236\u5668\uff0c\u4f7f\u5f97\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u4e4b\u95f4\u53d8\u5316\u5e73\u6ed1\u8fde\u7eed\u3002\u53ef\u4ee5\u91c7\u7528\u6ee4\u6ce2\u6280\u672f\u3001\u9884\u7f16\u7801\u6280\u672f\u7b49\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002<\/p>\n\n\n\n

\u3000\u30002. \u5f15\u5165\u7b49\u5316\u5668<\/h3>\n\n\n\n

\u3000\u3000\u5728\u63a5\u6536\u7aef\u5f15\u5165\u7b49\u5316\u5668\uff0c\u53ef\u4ee5\u8865\u507f\u4fe1\u9053\u5f15\u8d77\u7684\u76f8\u4f4d\u4e0d\u8fde\u7eed\u6027\uff0c\u63d0\u9ad8\u89e3\u8c03\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u30003. \u4f18\u5316\u89e3\u8c03\u7b97\u6cd5<\/h3>\n\n\n\n

\u3000\u3000\u4f18\u5316\u89e3\u8c03\u7b97\u6cd5\uff0c\u4f7f\u5176\u80fd\u591f\u66f4\u597d\u5730\u62b5\u6297\u76f8\u4f4d\u4e0d\u8fde\u7eed\u6027\u7684\u5f71\u54cd\u3002\u53ef\u4ee5\u91c7\u7528\u65f6\u949f\u6062\u590d\u6280\u672f\u3001\u76f8\u4f4d\u4f30\u8ba1\u6280\u672f\u7b49\u65b9\u6cd5\u6765\u6539\u5584\u89e3\u8c03\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n

\u3000\u3000QPSK\u8c03\u5236\u5728\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u8fde\u7eed\u6027\u65b9\u9762\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6027\u8d28\uff0c\u76f4\u63a5\u5f71\u54cd\u5230\u4fe1\u53f7\u7684\u89e3\u8c03\u6027\u80fd\u548c\u8bef\u7801\u7387\u3002\u76f8\u4f4d\u8fde\u7eed\u6027\u53ef\u4ee5\u901a\u8fc7\u5408\u7406\u7684\u8c03\u5236\u5668\u8bbe\u8ba1\u3001\u4f18\u5316\u89e3\u8c03\u7b97\u6cd5\u548c\u5f15\u5165\u7b49\u5316\u5668\u7b49\u65b9\u6cd5\u6765\u63d0\u9ad8\u3002<\/strong>\u540c\u65f6\uff0c\u4fe1\u9053\u7684\u5f71\u54cd\u4e5f\u662f\u5bfc\u81f4\u76f8\u4f4d\u4e0d\u8fde\u7eed\u6027\u7684\u4e00\u4e2a\u91cd\u8981\u56e0\u7d20\uff0c\u9700\u8981\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u8fdb\u884c\u5145\u5206\u8003\u8651\u548c\u4f18\u5316\u3002\u901a\u8fc7\u5bf9QPSK\u8c03\u5236\u7684\u7801\u5143\u8f6c\u6362\u65f6\u523b\u76f8\u4f4d\u8fde\u7eed\u6027\u7684\u5206\u6790\uff0c\u53ef\u4ee5\u4e3a\u5b9e\u9645\u7cfb\u7edf\u7684\u8bbe\u8ba1\u548c\u4f18\u5316\u63d0\u4f9b\u4e00\u5b9a\u7684\u53c2\u8003\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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