{"id":90949,"date":"2024-04-09T15:18:21","date_gmt":"2024-04-09T07:18:21","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=90949"},"modified":"2024-04-09T15:18:25","modified_gmt":"2024-04-09T07:18:25","slug":"qtzhjtyl","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/90949.html","title":{"rendered":"16QAM\u8c03\u5236\u548c\u89e3\u8c03\u539f\u7406"},"content":{"rendered":"\n

\u3000\u300016QAM\u8c03\u5236\u548c\u89e3\u8c03\u539f\u7406<\/strong>\u4e3b\u8981\u57fa\u4e8e\u6b63\u4ea4\u5e45\u5ea6\u8c03\u5236(Quadrature Amplitude Modulation, QAM)\u6280\u672f\u3002\u572816QAM\u4e2d\uff0c\u4fe1\u53f7\u88ab\u5206\u4e3a\u4e24\u4e2a\u6b63\u4ea4\u7684\u8f7d\u6ce2\u4fe1\u53f7\uff1aI(In-phase)\u548cQ(Quadrature)\u3002\u6bcf\u4e2a\u57fa\u5e26\u4fe1\u53f7\u901a\u8fc7\u63a7\u5236\u8fd9\u4e24\u4e2a\u8f7d\u6ce2\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u6765\u5b9e\u73b0\u8c03\u5236\uff0c\u4ece\u800c\u80fd\u591f\u643a\u5e26\u66f4\u591a\u7684\u4fe1\u606f\u91cf\u3002<\/p>\n\n\n\n

\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0c16QAM\u8c03\u5236\u662f\u5c064bit\u4e8c\u8fdb\u5236\u6570\u636e\u6620\u5c04\u5230\u4e00\u4e2a\u56db\u7ef4\u7684\u661f\u5ea7\u56fe\u4e0a\uff0c\u8fd9\u4e2a\u661f\u5ea7\u56fe\u753116\u4e2a\u70b9\u7ec4\u6210\uff0c\u6bcf\u4e2a\u70b9\u4ee3\u8868\u4e00\u79cd\u7279\u5b9a\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u7ec4\u5408\u3002\u4f8b\u5982\uff0c\u6bcf\u4e2a\u57fa\u5e26\u4fe1\u53f7\u9700\u8981\u75282bit\u7684\u4e8c\u8fdb\u5236\u6765\u8868\u793a\uff0c\u90a3\u4e48\u6620\u5c04\u5230\u6a2a\u7eb5\u5750\u6807\u4e0a\u5c31\u9700\u89814bit\u7684\u4e8c\u8fdb\u5236\uff0c\u4e5f\u5c31\u662f\u6bcf\u4e2a\u5750\u6807\u70b9\u90fd\u9700\u89814bit\u4e8c\u8fdb\u5236\u6570\u636e\u8868\u793a\u3002\u8fd9\u79cd\u6620\u5c04\u65b9\u5f0f\u4f7f\u5f9716QAM\u80fd\u591f\u5728\u4e0d\u589e\u52a0\u4fe1\u53f7\u529f\u7387\u7684\u60c5\u51b5\u4e0b\uff0c\u589e\u5927\u76f8\u90bb\u4fe1\u53f7\u70b9\u7684\u8ddd\u79bb\uff0c\u4ece\u800c\u63d0\u9ad8\u9891\u8c31\u5229\u7528\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u89e3\u8c03\u8fc7\u7a0b\u4e2d\uff0c\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u9996\u5148\u7ecf\u8fc7\u4f4e\u901a\u6ee4\u6ce2\u5668\uff0c\u7136\u540e\u4e0e\u5bf9\u5e94\u7684\u8f7d\u6ce2\u76f8\u4e58\uff0c\u5f97\u5230I\u548cQ\u4e24\u8def\u4fe1\u53f7\u3002\u8fd9\u4e24\u8def\u4fe1\u53f7\u7ecf\u8fc7\u62bd\u6837\u5224\u51b3\u540e\uff0c\u53ef\u4ee5\u6062\u590d\u51fa\u539f\u59cb\u76844bit\u4e8c\u8fdb\u5236\u6570\u636e\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u901a\u5e38\u91c7\u7528\u683c\u96f7\u7801\u6765\u51cf\u5c11\u8bef\u7801\u7387\uff0c\u56e0\u4e3a\u683c\u96f7\u7801\u76f8\u90bb\u7801\u5143\u4e4b\u95f4\u7684\u5dee\u5f02\u53ea\u5728\u4e00\u4e2a\u6bd4\u7279\u4e0a\uff0c\u8fd9\u6709\u52a9\u4e8e\u51cf\u5c11\u9519\u8bef\u4f20\u64ad\u3002<\/p>\n\n\n\n

\u3000\u300016QAM\u7684\u4f18\u70b9\u5305\u62ec\u9ad8\u9891\u8c31\u5229\u7528\u7387\u3001\u9ad8\u529f\u7387\u8c31\u5bc6\u5ea6\u4ee5\u53ca\u8f83\u4f4e\u7684\u8bef\u7801\u7387\u7b49\u3002\u8fd9\u4e9b\u7279\u6027\u4f7f\u5f9716QAM\u6210\u4e3a\u73b0\u4ee3\u901a\u4fe1\u7cfb\u7edf\u4e2d\u5e7f\u6cdb\u5e94\u7528\u7684\u4e00\u79cd\u8c03\u5236\u6280\u672f\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u4f20\u8f93\u5927\u91cf\u6570\u636e\u7684\u573a\u5408\u3002<\/p>\n\n\n\n

\u3000\u300016QAM\u8c03\u5236\u548c\u89e3\u8c03\u539f\u7406\u6d89\u53ca\u5230\u5c06\u6570\u5b57\u4fe1\u53f7\u901a\u8fc7\u63a7\u5236\u8f7d\u6ce2\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u6765\u5b9e\u73b0\u591a\u500d\u7684\u4fe1\u606f\u8f6c\u6362\uff0c\u4ee5\u53ca\u901a\u8fc7\u4f4e\u901a\u6ee4\u6ce2\u5668\u548c\u62bd\u6837\u5224\u51b3\u7b49\u6b65\u9aa4\u6765\u6062\u590d\u539f\u59cb\u4fe1\u53f7\u7684\u8fc7\u7a0b\u3002\u8fd9\u79cd\u6280\u672f\u56e0\u5176\u9ad8\u6548\u7684\u9891\u8c31\u5229\u7528\u7387\u548c\u8f83\u4f4e\u7684\u8bef\u7801\u7387\u800c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u901a\u4fe1\u7cfb\u7edf\u4e2d\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 16QAM\u8c03\u5236\u548c\u89e3\u8c03\u8fc7\u7a0b\u4e2d\u5982\u4f55\u7cbe\u786e\u63a7\u5236\u8f7d\u6ce2\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d?<\/h2>\n\n\n\n

\u3000\u3000\u572816QAM\u8c03\u5236\u548c\u89e3\u8c03\u8fc7\u7a0b\u4e2d\uff0c\u7cbe\u786e\u63a7\u5236\u8f7d\u6ce2\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u662f\u901a\u8fc7\u591a\u79cd\u6280\u672f\u548c\u7b97\u6cd5\u5b9e\u73b0\u7684\u3002\u9996\u5148\uff0c16QAM\u8c03\u5236\u662f\u4e00\u79cd\u540c\u65f6\u6839\u636e\u6570\u5b57\u57fa\u5e26\u4fe1\u53f7\u63a7\u5236\u8f7d\u6ce2\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u7684\u8c03\u5236\u65b9\u5f0f\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5bf9\u4e8e\u4e0d\u540c\u7684\u57fa\u5e26\u4fe1\u53f7(\u53730\u548c1)\uff0c\u8f7d\u6ce2\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u4ee5\u9002\u5e94\u8fd9\u4e9b\u53d8\u5316\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e3a\u4e86\u786e\u4fdd\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u80fd\u591f\u51c6\u786e\u5730\u53cd\u6620\u539f\u59cb\u4fe1\u53f7\uff0c\u9700\u8981\u5bf9\u4fe1\u53f7\u8fdb\u884c\u7cbe\u786e\u7684\u6d4b\u91cf\u548c\u8c03\u6574\u3002\u5728\u89e3\u8c03\u8fc7\u7a0b\u4e2d\uff0c\u901a\u8fc7\u6d4b\u91cf\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\uff0c\u53ef\u4ee5\u786e\u5b9a\u63a5\u6536\u5230\u7684\u8c03\u5236\u7b26\u53f7\uff0c\u4ece\u800c\u6062\u590d\u539f\u59cb\u7684\u6570\u5b57\u4fe1\u53f7\u3002\u8fd9\u4e00\u8fc7\u7a0b\u8981\u6c42\u5bf9\u4fe1\u53f7\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u6709\u6781\u9ad8\u7684\u7cbe\u5ea6\u63a7\u5236\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b64\u5916\uff0c\u7531\u4e8e\u4fe1\u9053\u5931\u771f\u3001\u591a\u5f84\u6548\u5e94\u548c\u76f8\u4f4d\u566a\u58f0\u7b49\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u63a5\u6536\u7aef\u53ef\u80fd\u4f1a\u9047\u5230\u76f8\u4f4d\u504f\u79fb\u7684\u95ee\u9898\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u7528\u9501\u76f8\u73af(PLL)\u6280\u672f\u6765\u5b9e\u73b0\u76f8\u4f4d\u7684\u9501\u5b9a\u548c\u8ddf\u8e2a\u3002\u9501\u76f8\u73af\u6280\u672f\u80fd\u591f\u6709\u6548\u5730\u8ddf\u8e2a\u548c\u8865\u507f\u76f8\u4f4d\u504f\u79fb\uff0c\u786e\u4fdd\u63a5\u6536\u7aef\u80fd\u591f\u51c6\u786e\u5730\u89e3\u8c03\u51fa\u539f\u59cb\u4fe1\u53f7\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8fd8\u53ef\u4ee5\u5229\u7528\u6df1\u5ea6\u5b66\u4e60\u7b97\u6cd5\u6765\u63d0\u9ad8\u76f8\u4f4d\u68c0\u6d4b\u548c\u8865\u507f\u7684\u51c6\u786e\u6027\u3002\u57fa\u4e8e\u6df1\u5ea6\u5b66\u4e60\u768416QAM\u8c03\u5236\u89e3\u8c03\u7cfb\u7edf\u76f8\u4f4d\u68c0\u6d4b\u548c\u8865\u507f\u7b97\u6cd5\u53ef\u4ee5\u901a\u8fc7\u4eff\u771f\u9a8c\u8bc1\u5176\u6548\u679c\uff0c\u8fdb\u4e00\u6b65\u8bc1\u660e\u4e8616QAM\u8c03\u5236\u6280\u672f\u7684\u4f18\u8d8a\u6027\u3002\u8fd9\u8868\u660e\uff0c\u7ed3\u5408\u5148\u8fdb\u7684\u7b97\u6cd5\u548c\u6280\u672f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u8f7d\u6ce2\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\uff0c\u4ece\u800c\u63d0\u9ad816QAM\u8c03\u5236\u548c\u89e3\u8c03\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u300016QAM\u8c03\u5236\u548c\u89e3\u8c03\u8fc7\u7a0b\u4e2d\u7cbe\u786e\u63a7\u5236\u8f7d\u6ce2\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u4f9d\u8d56\u4e8e\u5bf9\u57fa\u5e26\u4fe1\u53f7\u7684\u6df1\u5165\u7406\u89e3\u548c\u591a\u79cd\u6280\u672f\u7684\u5e94\u7528\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u9501\u76f8\u73af\u6280\u672f\u548c\u6df1\u5ea6\u5b66\u4e60\u7b97\u6cd5\u3002\u901a\u8fc7\u8fd9\u4e9b\u6280\u672f\u548c\u7b97\u6cd5\u7684\u5e94\u7528\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u51b3\u4fe1\u9053\u5931\u771f\u3001\u591a\u5f84\u6548\u5e94\u548c\u76f8\u4f4d\u566a\u58f0\u7b49\u95ee\u9898\uff0c\u786e\u4fdd\u4fe1\u53f7\u7684\u51c6\u786e\u4f20\u8f93\u548c\u63a5\u6536\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 16QAM\u4e0e\u5176\u4ed6QAM\u8c03\u5236\u6280\u672f(\u598216PSK\u300164QAM)\u5728\u6027\u80fd\u4e0a\u7684\u6bd4\u8f83\u7814\u7a76\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n

\u3000\u300016QAM\u4e0e\u5176\u4ed6QAM\u8c03\u5236\u6280\u672f(\u598216PSK\u300164QAM)\u5728\u6027\u80fd\u4e0a\u7684\u6bd4\u8f83\u7814\u7a76\u4e3b\u8981\u6d89\u53ca\u8bef\u7801\u7387\u3001\u4f20\u8f93\u901f\u7387\u3001\u5e26\u5bbd\u6548\u7387\u548c\u9c81\u68d2\u6027\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u8bef\u7801\u7387\uff1a\u5728\u4f4e\u4fe1\u566a\u6bd4\u73af\u5883\u4e0b\uff0cFSK\u8c03\u5236\u8868\u73b0\u6700\u4f73\uff0c\u800cPSK\u8c03\u5236\u4e5f\u5177\u6709\u76f8\u5f53\u4e0d\u9519\u7684\u8868\u73b0\u3002\u4f46\u662f\u5728\u4fe1\u566a\u6bd4\u6bd4\u8f83\u9ad8\u65f6\uff0cQAM\u8c03\u5236\u548c16QAM\u8c03\u5236\u4f1a\u6bd4\u5176\u4ed6\u4e24\u79cd\u8c03\u5236\u66f4\u52a0\u4f18\u79c0\u3002\u8fd9\u8868\u660e\u5728\u9ad8\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\uff0cQAM\u8c03\u5236\u6280\u672f\uff0c\u5305\u62ec16QAM\uff0c\u76f8\u6bd4\u4e8eFSK\u548cPSK\uff0c\u80fd\u591f\u63d0\u4f9b\u66f4\u4f4e\u7684\u8bef\u7801\u7387\u3002\u6b64\u5916\uff0c\u5e26\u683c\u96f7\u7801\u7684\u65b9\u5f62QAM\u5728\u6027\u80fd\u548c\u590d\u6742\u5ea6\u4e4b\u95f4\u53d6\u5f97\u4e86\u4e00\u5b9a\u7684\u5e73\u8861\uff0c\u901a\u8fc7MATLAB\u4eff\u771f\u6bd4\u8f83\u4e86\u4e09\u79cd\u8c03\u5236\u65b9\u6848\u572816QAM\u8c03\u5236\u89e3\u8c03\u4e2d\u7684\u8bef\u7801\u7387\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4f20\u8f93\u901f\u7387\uff1a16QAM\u5c06\u6bcf\u4e2a\u7b26\u53f7\u6269\u5c55\u52304\u6bd4\u7279\uff0c\u610f\u5473\u7740\u901a\u8fc7\u4f7f\u752816\u79cd\u4e0d\u540c\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u7ec4\u5408\u6765\u8868\u793a\u6570\u5b57\u4fe1\u53f7\uff0c\u5176\u4f20\u8f93\u901f\u7387\u6bd44QAM\u66f4\u5feb\u3002\u7136\u800c\uff0c\u4e0e64QAM\u76f8\u6bd4\uff0c16QAM\u7684\u4f20\u8f93\u901f\u5ea6\u8f83\u6162\uff0c\u56e0\u4e3a64QAM\u8fdb\u4e00\u6b65\u6269\u5c55\u4e86\u6bcf\u4e2a\u7b26\u53f7\uff0c\u75286\u4e2a\u6bd4\u7279\u8868\u793a\u6bcf\u4e2a\u7b26\u53f7\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u8fd9\u610f\u5473\u7740\u5728\u76f8\u540c\u7684\u6570\u636e\u4f20\u8f93\u9700\u6c42\u4e0b\uff0cQAM\u6280\u672f\u80fd\u591f\u4ee5\u66f4\u5c11\u7684\u5e26\u5bbd\u5360\u7528\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u6574\u4f53\u6548\u7387\u3002\u5177\u4f53\u523016QAM\uff0c\u5b83\u652f\u6301\u7684\u6700\u5927\u6570\u636e\u7387\u4e3a11.5 Mbps\uff0c\u8fd9\u662f\u901a\u8fc7\u6bcf\u4e2a\u7b26\u53f7\u6700\u591a4\u6bd4\u7279\u7684\u8c03\u5236\u5b9e\u73b0\u7684\u3002<\/p>\n\n\n\n

    \u3000\u3000\u8fd9\u53ef\u80fd\u610f\u5473\u7740\u5728\u9762\u5bf9\u4fe1\u53f7\u5e72\u6270\u6216\u8870\u51cf\u65f6\uff0cQAM\u6280\u672f\uff0c\u5305\u62ec16QAM\uff0c\u53ef\u80fd\u4e0d\u5982\u4e00\u4e9b\u5177\u6709\u66f4\u597d\u9c81\u68d2\u6027\u7684\u8c03\u5236\u6280\u672f\u3002<\/p>\n\n\n\n

    \u3000\u300016QAM\u76f8\u6bd4\u4e8e\u5176\u4ed6QAM\u8c03\u5236\u6280\u672f(\u598216PSK\u300164QAM)\u5728\u9ad8\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\u63d0\u4f9b\u4e86\u66f4\u4f4e\u7684\u8bef\u7801\u7387\u548c\u66f4\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4f46\u5176\u5e26\u5bbd\u6548\u7387\u867d\u9ad8\uff0c\u9c81\u68d2\u6027\u76f8\u5bf9\u8f83\u5dee\u3002\u8fd9\u4e9b\u7279\u6027\u4f7f\u5f9716QAM\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u4e14\u4fe1\u566a\u6bd4\u8f83\u9ad8\u7684\u901a\u4fe1\u73af\u5883\uff0c\u4f46\u5728\u4fe1\u53f7\u8d28\u91cf\u4e0d\u4f73\u7684\u60c5\u51b5\u4e0b\u53ef\u80fd\u9700\u8981\u8003\u8651\u5176\u9c81\u68d2\u6027\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e09\u3001 \u5728\u5b9e\u9645\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c16QAM\u7684\u8bef\u7801\u7387\u662f\u5982\u4f55\u8ba1\u7b97\u548c\u4f18\u5316\u7684?<\/h2>\n\n\n\n

    \u3000\u3000\u5728\u5b9e\u9645\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c16QAM\u7684\u8bef\u7801\u7387\u8ba1\u7b97\u548c\u4f18\u5316\u662f\u4e00\u4e2a\u590d\u6742\u7684\u8fc7\u7a0b\uff0c\u6d89\u53ca\u5230\u591a\u4e2a\u65b9\u9762\u7684\u6280\u672f\u548c\u7b56\u7565\u3002\u9996\u5148\uff0c16QAM\u7684\u7406\u8bba\u8bef\u7801\u7387\u53ef\u4ee5\u901a\u8fc7\u7279\u5b9a\u7684\u516c\u5f0f\u8ba1\u7b97\u5f97\u51fa\uff0c\u8fd9\u9700\u8981\u5047\u8bbe\u53d1\u9001\u7684\u6bd4\u7279\u6d41\u4e3a\u4e8c\u8fdb\u52360\u548c1\u7684\u7b49\u6982\u7387\u968f\u673a\u5e8f\u5217\uff0c\u5e76\u7ecf\u8fc716QAM\u8c03\u5236\u540e\u5f97\u5230\u7684\u7b26\u53f7\u5e8f\u5217\u4e3a16\u4e2a\u4e0d\u540c\u7684\u590d\u6570\uff0c\u6bcf\u4e2a\u7b26\u53f7\u5bf9\u5e944\u4e2a\u6bd4\u7279\u3002\u8fd9\u610f\u5473\u7740\uff0c\u7406\u8bba\u4e0a\u7684\u8bef\u7801\u7387\u8ba1\u7b97\u662f\u57fa\u4e8e\u4fe1\u53f7\u7684\u6570\u5b66\u6a21\u578b\u548c\u7edf\u8ba1\u7279\u6027\u6765\u8fdb\u884c\u7684\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e3a\u4e86\u964d\u4f4e16QAM\u65b9\u6848\u4e2d\u7684\u8bef\u7801\u7387\uff0c\u53ef\u4ee5\u91c7\u53d6\u591a\u79cd\u7b56\u7565\u3002\u5e38\u89c1\u7684\u8bef\u7801\u7387\u964d\u4f4e\u7b56\u7565\u5305\u62ec\u4fe1\u9053\u7f16\u7801\u3001\u8c03\u5236\u89e3\u8c03\u6280\u672f\u7684\u4f18\u5316\u4ee5\u53ca\u4fe1\u53f7\u5904\u7406\u6280\u672f\u7684\u5e94\u7528\u3002\u4fe1\u9053\u7f16\u7801\u901a\u8fc7\u52a0\u5165\u7ea0\u9519\u7801\u6765\u6709\u6548\u51cf\u5c11\u8bef\u7801\u3002\u6b64\u5916\uff0c\u8c03\u5236\u89e3\u8c03\u8fc7\u7a0b\u4e2d\u7684\u9891\u504f\u4f30\u8ba1\u53ca\u8865\u507f\u7b97\u6cd5\u4e5f\u662f\u964d\u4f4e\u8bef\u7801\u7387\u7684\u91cd\u8981\u624b\u6bb5\uff0c\u8fd9\u4e9b\u7b97\u6cd5\u7684\u8bbe\u8ba1\u901a\u5e38\u4f1a\u91c7\u7528\u591a\u79cd\u7b56\u7565\uff0c\u5305\u62ec\u7b97\u6cd5\u4f18\u5316\u3001\u81ea\u9002\u5e94\u7b97\u6cd5\u8bbe\u8ba1\u4ee5\u53ca\u5229\u7528\u5148\u8fdb\u7684\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u6280\u672f\u7b49\u3002\u89e3\u8c03\u4e0e\u8bd1\u7801\u8fc7\u7a0b\u4e2d\uff0c\u5c06\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u8fdb\u884c\u89e3\u8c03\u64cd\u4f5c\uff0c\u5e76\u5bf9\u89e3\u8c03\u540e\u7684\u6570\u636e\u8fdb\u884c\u8bd1\u7801\u64cd\u4f5c\uff0c\u4ee5\u8fd8\u539f\u539f\u59cb\u6570\u636e\u6bd4\u7279\u5e8f\u5217\uff0c\u7136\u540e\u8ba1\u7b97\u8bef\u7801\u7387\uff0c\u5373\u5c06\u89e3\u7801\u540e\u7684\u6570\u636e\u6bd4\u7279\u5e8f\u5217\u4e0e\u53d1\u9001\u7684\u539f\u59cb\u6570\u636e\u6bd4\u7279\u5e8f\u5217\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5728\u4eff\u771f\u65b9\u9762\uff0cMatlab\u662f\u4e00\u4e2a\u5e38\u7528\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u8fdb\u884c16QAM\u8bef\u7801\u7387\u6027\u80fd\u4eff\u771f\uff0c\u5305\u62ec\u8bef\u7801\u7387\u66f2\u7ebf\u548c\u4e0d\u540c\u4fe1\u566a\u6bd4\u4e0b\u7684\u661f\u5ea7\u56fe\u8f93\u51fa\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u7814\u7a76\u4eba\u5458\u548c\u5de5\u7a0b\u5e08\u53ef\u4ee5\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\u6d4b\u8bd5\u548c\u4f18\u531616QAM\u7cfb\u7edf\u7684\u6027\u80fd\uff0c\u8fdb\u800c\u627e\u5230\u6700\u4f73\u7684\u5e72\u6270\u6837\u5f0f\u548c\u53c2\u6570\u8bbe\u7f6e\u3002<\/p>\n\n\n\n

    \u3000\u300016QAM\u7684\u8bef\u7801\u7387\u8ba1\u7b97\u548c\u4f18\u5316\u662f\u4e00\u4e2a\u6d89\u53ca\u7406\u8bba\u5206\u6790\u3001\u6280\u672f\u5e94\u7528\u548c\u4eff\u771f\u6d4b\u8bd5\u7684\u7efc\u5408\u8fc7\u7a0b\u3002\u901a\u8fc7\u7406\u8bba\u8ba1\u7b97\u3001\u4fe1\u9053\u7f16\u7801\u3001\u8c03\u5236\u89e3\u8c03\u6280\u672f\u7684\u4f18\u5316\u3001\u4fe1\u53f7\u5904\u7406\u6280\u672f\u7684\u5e94\u7528\u4ee5\u53ca\u4eff\u771f\u6d4b\u8bd5\u7b49\u591a\u79cd\u624b\u6bb5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u964d\u4f4e16QAM\u65b9\u6848\u4e2d\u7684\u8bef\u7801\u7387\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u4fe1\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

    \u3000\u3000\u56db\u3001 16QAM\u8c03\u5236\u6280\u672f\u5728\u73b0\u4ee3\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u6848\u4f8b\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n

    \u3000\u300016QAM\u8c03\u5236\u6280\u672f\u5728\u73b0\u4ee3\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u6848\u4f8b\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

      \n
    • \u3000\u3000\u57fa\u4e8eFPGA\u768416QAM\u8c03\u5236\u4fe1\u53f7\u4ea7\u751f\uff1a\u901a\u8fc7matlab\u6d4b\u8bd5\u5176\u661f\u5ea7\u56fe\uff0c\u5c55\u793a\u4e8616QAM\u8c03\u5236\u89e3\u8c03\u539f\u7406\u65b9\u6846\u56fe\u7684\u5e94\u7528\uff0c\u8bf4\u660e\u4e8616QAM\u662f\u901a\u8fc7\u4e24\u8def\u72ec\u7acb\u7684\u6b63\u4ea44ASK\u4fe1\u53f7\u53e0\u52a0\u800c\u6210\u7684\u6280\u672f\u3002<\/li>\n\n\n\n
    • \u3000\u3000OFDM\u7cfb\u7edf\uff1a\u5229\u7528MATLAB\u5e73\u53f0\u4eff\u771f\u5b9e\u73b0\u4e86\u57fa\u4e8e\u5341\u516d\u8fdb\u5236\u6b63\u4ea4\u5e45\u5ea6\u8c03\u5236(16QAM)\u8c03\u5236\u7684OFDM\u7cfb\u7edf\u5404\u9636\u6bb5\u5bf9\u4fe1\u53f7\u7684\u5904\u7406\uff0c\u5305\u62ec\u6dfb\u52a0\u5faa\u73af\u524d\u7f00(CP)\u7b49\u6b65\u9aa4\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u76f8\u5e72\u5149\u901a\u4fe1\u7cfb\u7edf\uff1a\u7814\u7a76\u4e86DP-16QAM\u957f\u8ddd\u79bb\u76f8\u5e72\u5149\u901a\u4fe1\u7cfb\u7edf\u7684\u5173\u952e\u6280\u672f\uff0c\u5982\u7ea7\u8054\u8f7d\u6ce2\u76f8\u4f4d\u566a\u58f0\u4f30\u8ba1\u7b97\u6cd5\u3001\u7ebf\u6027\u76f8\u4f4d\u63d2\u503c(LPI)\u3001IQ\u975e\u6b63\u4ea4\u8865\u507f\u7b97\u6cd5\u7b49\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u6570\u5b57\u901a\u4fe1\u7cfb\u7edf\uff1a\u5f3a\u8c03\u4e86\u6570\u5b57\u8c03\u5236\u7684\u91cd\u8981\u6027\uff0c\u5176\u4e2d16QAM\u4f5c\u4e3a\u4e00\u79cd\u6570\u5b57\u8c03\u5236\u65b9\u5f0f\uff0c\u5177\u6709\u66f4\u597d\u7684\u6297\u5e72\u6270\u6027\u80fd\u3001\u66f4\u5f3a\u7684\u6297\u4fe1\u9053\u635f\u8017\u4ee5\u53ca\u66f4\u597d\u7684\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u8bef\u7801\u7387\u6027\u80fd\u4eff\u771f\uff1a\u8ba8\u8bba\u4e86\u6570\u5b57\u4fe1\u53f7\u7684QAM\uff0c\u7279\u522b\u662f16QAM\u4fe1\u53f7\u91c7\u53d6\u6b63\u4ea4\u76f8\u5e72\u89e3\u8c03\u7684\u65b9\u6cd5\u89e3\u8c03\uff0c\u89e3\u8c03\u8fc7\u7a0b\u4e2d\u7684\u8bef\u7801\u7387\u6027\u80fd\u4eff\u771f\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u6269\u9891\u6280\u672f\u5e94\u7528\uff1a\u5728\u73b0\u4ee3\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u6269\u9891\u6280\u672f\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6570\u5b57\u901a\u4fe1\u94fe\u8def\u4e2d\uff0c16QAM\u4f5c\u4e3a\u5176\u4e2d\u7684\u4e00\u79cd\u5f62\u5f0f\uff0c\u5176\u7b97\u6cd5\u4eff\u771f\u6548\u679c\u548c\u7406\u8bba\u77e5\u8bc6\u6982\u8981\u88ab\u8be6\u7ec6\u8ba8\u8bba\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u7cfb\u7edf\u4eff\u771f\u8bbe\u8ba1\uff1a\u9488\u5bf916QAM\u7cfb\u7edf\u8c03\u5236\u89e3\u8c03\u7cfb\u7edf\uff0c\u5229\u7528MATLAB\u5de5\u5177\u5bf9\u6574\u4e2a\u7cfb\u7edf\u8fdb\u884c\u5b8c\u6574\u4eff\u771f\uff0c\u5e76\u901a\u8fc7\u661f\u5ea7\u56fe\u4eff\u771f\u5bf9\u8bef\u7801\u7387\u8fdb\u884c\u5206\u6790\uff0c\u8868\u660e\u8be5\u7cfb\u7edf\u7b80\u5355\u53ef\u884c\uff0c\u5bf9QAM\u76f8\u5173\u4ea7\u54c1\u7814\u53d1\u548c\u7406\u8bba\u7814\u7a76\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000\u8fd9\u4e9b\u6848\u4f8b\u5c55\u793a\u4e8616QAM\u8c03\u5236\u6280\u672f\u5728\u73b0\u4ee3\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u591a\u6837\u5316\u5e94\u7528\uff0c\u4ece\u57fa\u672c\u7684\u4fe1\u53f7\u4ea7\u751f\u5230\u590d\u6742\u7684\u7cfb\u7edf\u4eff\u771f\uff0c\u518d\u5230\u7279\u5b9a\u7684\u6280\u672f\u7814\u7a76\uff0c16QAM\u7684\u5e94\u7528\u8986\u76d6\u4e86\u901a\u4fe1\u7cfb\u7edf\u7684\u591a\u4e2a\u65b9\u9762\u3002<\/p>\n\n\n\n

      \u3000\u3000\u4e94\u3001 \u5982\u4f55\u901a\u8fc7\u786c\u4ef6\u8bbe\u8ba1\u63d0\u9ad816QAM\u7cfb\u7edf\u7684\u9891\u8c31\u5229\u7528\u7387\u548c\u964d\u4f4e\u529f\u8017?<\/h2>\n\n\n\n

      \u3000\u3000\u901a\u8fc7\u786c\u4ef6\u8bbe\u8ba1\u63d0\u9ad816QAM\u7cfb\u7edf\u7684\u9891\u8c31\u5229\u7528\u7387\u548c\u964d\u4f4e\u529f\u8017\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n

        \n
      • \u3000\u3000\u91c7\u7528\u6570\u5b57\u63a7\u5236\u768416-QAM\u8c03\u5236\u6280\u672f\uff1a\u540c\u6d4e\u5927\u5b66\u56e2\u961f\u7684\u7814\u7a76\u8868\u660e\uff0c\u57fa\u4e8e\u6570\u5b57\u63a7\u5236\u768416-QAM\u8c03\u5236\u6280\u672f\u80fd\u591f\u6210\u529f\u5e94\u7528\u4e8e\u7269\u8054\u7f51\u6807\u7b7e\uff0c\u76f8\u8f83\u4e8e\u540c\u7c7b\u82af\u7247\uff0c\u5728\u63d0\u9ad8\u82af\u7247\u6570\u636e\u4f20\u8f93\u901f\u7387\u4e0e\u9891\u8c31\u6548\u7387\u65b9\u9762\u53d6\u5f97\u4e86\u7a81\u7834\u6027\u8fdb\u5c55\u3002\u8fd9\u8bf4\u660e\u901a\u8fc7\u4f18\u5316\u8c03\u5236\u6280\u672f\uff0c\u53ef\u4ee5\u5728\u4e0d\u589e\u52a0\u989d\u5916\u529f\u8017\u7684\u60c5\u51b5\u4e0b\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u9891\u8c31\u5229\u7528\u7387\u3002<\/li>\n\n\n\n
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