{"id":88394,"date":"2024-02-18T14:23:12","date_gmt":"2024-02-18T06:23:12","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=88394"},"modified":"2024-02-18T14:23:20","modified_gmt":"2024-02-18T06:23:20","slug":"ohqxbynxyd","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/88394.html","title":{"rendered":"OQPSK\u548cQPSK\u76f8\u6bd4\u6709\u54ea\u4e9b\u4f18\u70b9"},"content":{"rendered":"\n

\u3000\u3000\u5728\u6570\u5b57\u901a\u4fe1\u9886\u57df\uff0cQPSK(Quadrature Phase Shift Keying)<\/strong>\u548cOQPSK(Offset Quadrature Phase Shift Keying)<\/strong>\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u8c03\u5236\u6280\u672f\uff0c\u5b83\u4eec\u5728\u6570\u636e\u4f20\u8f93\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\u3002\u672c\u6587\u5c06\u63a2\u8ba8OQPSK\u76f8\u8f83\u4e8eQPSK\u7684\u4f18\u52bf\uff0c\u4ee5\u53ca\u5728\u4e0d\u540c\u5e94\u7528\u573a\u666f\u4e0b\u7684\u6027\u80fd\u5dee\u5f02\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 QPSK\u548cOQPSK\u7b80\u4ecb<\/h2>\n\n\n\n

\u3000\u3000\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u7b80\u8981\u4e86\u89e3\u4e00\u4e0bQPSK\u548cOQPSK\u7684\u57fa\u672c\u6982\u5ff5\u3002QPSK\u662f\u4e00\u79cd\u57fa\u672c\u7684\u8c03\u5236\u65b9\u5f0f\uff0c\u5b83\u5c06\u8f93\u5165\u7684\u6570\u5b57\u6570\u636e\u5206\u4e3a\u4e24\u8def\uff0c\u5206\u522b\u8fdb\u884c\u6b63\u4ea4\u8c03\u5236\uff0c\u6700\u540e\u518d\u5c06\u8fd9\u4e24\u8def\u4fe1\u53f7\u76f8\u52a0\u5f62\u6210\u4e00\u4e2a\u590d\u5408\u4fe1\u53f7\u3002\u8fd9\u79cd\u8c03\u5236\u65b9\u5f0f\u53ef\u4ee5\u5728\u6709\u9650\u5e26\u5bbd\u5185\u4f20\u8f93\u66f4\u591a\u7684\u6570\u636e\uff0c\u56e0\u6b64\u5728\u8bb8\u591a\u6570\u5b57\u901a\u4fe1\u7cfb\u7edf\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u800cOQPSK\u662fQPSK\u7684\u4e00\u79cd\u6539\u8fdb\u5f62\u5f0f\uff0c\u5b83\u5728QPSK\u7684\u57fa\u7840\u4e0a\u5f15\u5165\u4e86\u4e00\u5b9a\u7684\u76f8\u4f4d\u504f\u79fb\uff0c\u4f7f\u5f97\u76f8\u90bb\u7b26\u53f7\u7684\u76f8\u4f4d\u5dee\u4fdd\u6301\u572890\u5ea6\u3002\u8fd9\u79cd\u8c03\u5236\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u51cf\u5c0f\u76f8\u4f4d\u8df3\u53d8\uff0c\u63d0\u9ad8\u4fe1\u53f7\u7684\u8fde\u7eed\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 OQPSK\u76f8\u8f83\u4e8eQPSK\u7684\u4f18\u52bf<\/h2>\n\n\n\n

\u3000\u30001. \u6297\u591a\u5f84\u5e72\u6270\u80fd\u529b\u66f4\u5f3a<\/strong>\uff1aOQPSK\u76f8\u8f83\u4e8eQPSK\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u66f4\u5177\u6709\u6297\u591a\u5f84\u5e72\u6270\u7684\u80fd\u529b\u3002\u7531\u4e8eOQPSK\u5f15\u5165\u4e86\u76f8\u4f4d\u504f\u79fb\uff0c\u4f7f\u5f97\u4fe1\u53f7\u6ce2\u5f62\u66f4\u52a0\u5e73\u6ed1\uff0c\u51cf\u5c0f\u4e86\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u53d7\u5230\u591a\u5f84\u6548\u5e94\u7684\u5f71\u54cd\uff0c\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u30002. \u964d\u4f4e\u76f8\u4f4d\u8df3\u53d8<\/strong>\uff1a\u5728QPSK\u4e2d\uff0c\u76f8\u90bb\u7b26\u53f7\u4e4b\u95f4\u5b58\u5728180\u5ea6\u7684\u76f8\u4f4d\u5dee\uff0c\u8fd9\u5bb9\u6613\u5bfc\u81f4\u76f8\u4f4d\u8df3\u53d8\uff0c\u4f7f\u5f97\u63a5\u6536\u7aef\u96be\u4ee5\u51c6\u786e\u89e3\u8c03\u3002\u800cOQPSK\u901a\u8fc7\u5f15\u516590\u5ea6\u7684\u76f8\u4f4d\u504f\u79fb\uff0c\u6709\u6548\u964d\u4f4e\u4e86\u76f8\u4f4d\u8df3\u53d8\u7684\u6982\u7387\uff0c\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u89e3\u8c03\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u30003. \u51cf\u5c0f\u529f\u7387\u5cf0\u5747\u6bd4<\/strong>\uff1aOQPSK\u76f8\u8f83\u4e8eQPSK\u5728\u4fe1\u53f7\u529f\u7387\u5206\u5e03\u4e0a\u66f4\u52a0\u5747\u5300\uff0c\u51cf\u5c0f\u4e86\u529f\u7387\u5cf0\u5747\u6bd4\uff0c\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u4f20\u8f93\u6548\u7387\u3002\u8fd9\u5bf9\u4e8e\u4e00\u4e9b\u5bf9\u529f\u7387\u8981\u6c42\u8f83\u9ad8\u7684\u901a\u4fe1\u7cfb\u7edf\u6765\u8bf4\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n\n\n\n

\u3000\u30004. \u63d0\u5347\u9891\u8c31\u5229\u7528\u7387<\/strong>\uff1a\u7531\u4e8eOQPSK\u5728\u76f8\u4f4d\u504f\u79fb\u4e0a\u7684\u4f18\u5316\uff0c\u53ef\u4ee5\u63d0\u9ad8\u9891\u8c31\u7684\u5229\u7528\u7387\u3002\u5728\u9891\u8c31\u8d44\u6e90\u6709\u9650\u7684\u60c5\u51b5\u4e0b\uff0cOQPSK\u53ef\u4ee5\u66f4\u597d\u5730\u6ee1\u8db3\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n

\u3000\u30005. \u9002\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93<\/strong>\uff1a\u7531\u4e8eOQPSK\u5728\u6297\u5e72\u6270\u3001\u51cf\u5c0f\u76f8\u4f4d\u8df3\u53d8\u7b49\u65b9\u9762\u7684\u4f18\u52bf\uff0c\u4f7f\u5f97\u5b83\u7279\u522b\u9002\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u573a\u666f\u3002\u5728\u9700\u8981\u4fdd\u8bc1\u6570\u636e\u4f20\u8f93\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u7684\u60c5\u51b5\u4e0b\uff0cOQPSK\u5f80\u5f80\u662f\u4e00\u4e2a\u66f4\u597d\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 \u7ed3\u8bed<\/h2>\n\n\n\n

\u3000\u3000OQPSK\u76f8\u8f83\u4e8eQPSK\u5728\u6297\u5e72\u6270\u3001\u51cf\u5c0f\u76f8\u4f4d\u8df3\u53d8\u3001\u529f\u7387\u5206\u5e03\u5747\u5300\u7b49\u65b9\u9762\u5177\u6709\u660e\u663e\u7684\u4f18\u52bf\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u548c\u5bf9\u4fe1\u53f7\u7a33\u5b9a\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\u3002<\/strong>\u7136\u800c\uff0c\u5728\u5177\u4f53\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u6839\u636e\u901a\u4fe1\u7cfb\u7edf\u7684\u9700\u6c42\u548c\u73af\u5883\u7279\u70b9\u9009\u62e9\u5408\u9002\u7684\u8c03\u5236\u65b9\u5f0f\uff0c\u4ee5\u5b9e\u73b0\u6700\u4f73\u7684\u4f20\u8f93\u6548\u679c\u548c\u6027\u80fd\u8868\u73b0\u3002\u5728\u672a\u6765\u7684\u6570\u5b57\u901a\u4fe1\u53d1\u5c55\u4e2d\uff0cOQPSK\u4f5c\u4e3a\u4e00\u79cd\u4f18\u79c0\u7684\u8c03\u5236\u6280\u672f\uff0c\u5c06\u7ee7\u7eed\u53d1\u6325\u91cd\u8981\u4f5c\u7528\uff0c\u63a8\u52a8\u901a\u4fe1\u6280\u672f\u7684\u4e0d\u65ad\u8fdb\u6b65\u4e0e\u521b\u65b0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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