{"id":93904,"date":"2024-06-11T13:34:19","date_gmt":"2024-06-11T05:34:19","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=93904"},"modified":"2024-06-11T13:34:28","modified_gmt":"2024-06-11T05:34:28","slug":"qjsdylhtd","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/93904.html","title":{"rendered":"QAM\u6280\u672f\u7684\u539f\u7406\u548c\u7279\u70b9"},"content":{"rendered":"\n<p>\u3000\u3000<strong>QAM(Quadrature Amplitude Modulation\uff0c\u6b63\u4ea4\u632f\u5e45\u8c03\u5236)<\/strong>\u662f\u4e00\u79cd\u5728\u6570\u5b57\u901a\u4fe1\u9886\u57df\u5e7f\u6cdb\u4f7f\u7528\u7684\u8c03\u5236\u6280\u672f\u3002\u5176\u57fa\u672c\u539f\u7406\u662f\u901a\u8fc7\u8c03\u6574\u4fe1\u53f7\u7684\u632f\u5e45\u548c\u76f8\u4f4d\u6765\u4f20\u8f93\u6570\u5b57\u6570\u636e\u3002\u5177\u4f53\u6765\u8bf4\uff0cQAM\u6280\u672f\u5c06\u6570\u5b57\u6570\u636e\u5206\u6210\u591a\u4e2a\u6bd4\u7279\u7ec4\uff0c\u5e76\u5c06\u6bcf\u4e2a\u6bd4\u7279\u7ec4\u6620\u5c04\u5230\u4e00\u4e2a\u7279\u5b9a\u7684\u4fe1\u53f7\u70b9\uff0c\u8fd9\u4e9b\u4fe1\u53f7\u70b9\u4f4d\u4e8e\u4e00\u4e2a\u590d\u5e73\u9762\u4e0a\u3002<\/p>\n\n\n\n<p>\u3000\u3000QAM\u8c03\u5236\u6280\u672f\u57fa\u4e8e\u6b63\u4ea4\u4fe1\u53f7\u7684\u53e0\u52a0\uff0c\u5c06\u4fe1\u53f7\u52a0\u8f7d\u5230\u4e24\u4e2a\u6b63\u4ea4\u7684\u8f7d\u6ce2\u4e0a(\u901a\u5e38\u662f\u6b63\u5f26\u548c\u4f59\u5f26)\uff0c\u901a\u8fc7\u5bf9\u8fd9\u4e24\u4e2a\u8f7d\u6ce2\u7684\u5e45\u5ea6\u8c03\u6574\u5e76\u53e0\u52a0\uff0c\u6700\u7ec8\u5f97\u5230\u76f8\u4f4d\u548c\u5e45\u5ea6\u90fd\u8c03\u5236\u8fc7\u7684\u4fe1\u53f7\u3002\u8fd9\u79cd\u8c03\u5236\u65b9\u5f0f\u4e5f\u88ab\u79f0\u4e3aIQ\u8c03\u5236\u3002<\/p>\n\n\n\n<p>\u3000\u3000QAM\u6280\u672f\u5177\u6709\u4ee5\u4e0b\u51e0\u4e2a\u663e\u8457\u7279\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u9ad8\u9891\u8c31\u5229\u7528\u7387<\/strong>\uff1aQAM\u8c03\u5236\u53ef\u4ee5\u5728\u6709\u9650\u7684\u9891\u5e26\u5bbd\u5ea6\u5185\u4f20\u8f93\u66f4\u591a\u7684\u4fe1\u606f\uff0c\u4ece\u800c\u63d0\u9ad8\u9891\u8c31\u5229\u7528\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u566a\u58f0\u80fd\u529b\u5f3a<\/strong>\uff1a\u7531\u4e8eQAM\u8c03\u5236\u6280\u672f\u80fd\u591f\u5145\u5206\u5229\u7528\u5e26\u5bbd\uff0c\u5176\u6297\u566a\u58f0\u80fd\u529b\u8f83\u5f3a\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9002\u5e94\u6027\u5f3a<\/strong>\uff1aQAM\u8c03\u5236\u6280\u672f\u80fd\u591f\u9002\u5e94\u4e0d\u540c\u7535\u8bdd\u7ebf\u8def\u4e4b\u95f4\u7684\u6027\u80fd\u5dee\u5f02\uff0c\u5c3d\u7ba1\u5728ADSL\u5e94\u7528\u4e2d\u5b58\u5728\u4e00\u5b9a\u7684\u6311\u6218\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u591a\u79cd\u5f62\u5f0f<\/strong>\uff1a\u5e38\u89c1\u7684QAM\u5f62\u5f0f\u670916-QAM\u300164-QAM\u3001256-QAM\u7b49\uff0c\u6bcf\u79cd\u5f62\u5f0f\u90fd\u6709\u4e0d\u540c\u7684\u6570\u636e\u901f\u7387\u548c\u9891\u8c31\u6548\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000QAM\u6280\u672f\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6709\u7ebf\u548c\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u5982\u7535\u7f06\u8c03\u5236\u89e3\u8c03\u5668\u3001\u6570\u5b57\u7535\u89c6\u3001\u6570\u5b57\u97f3\u9891\u5e7f\u64ad\u4ee5\u53ca\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u5982Wi-Fi\u548cLTE\u7b49\u3002\u901a\u8fc7\u7406\u89e3QAM\u7684\u539f\u7406\u4e0e\u7279\u70b9\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u5e94\u7528\u5b83\uff0c\u63a8\u52a8\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u53d1\u5c55\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 QAM\u8c03\u5236\u6280\u672f\u5728\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u5177\u4f53\u5e94\u7528\u6848\u4f8b\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000QAM(\u6b63\u4ea4\u632f\u5e45\u8c03\u5236)\u8c03\u5236\u6280\u672f\u5728\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u5177\u4f53\u5e94\u7528\u6848\u4f8b\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>2G LTE\u57fa\u7ad9<\/strong>\uff1aQAM\u8c03\u5236\u6280\u672f\u57283G LTE\u57fa\u7ad9\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u901a\u8fc7\u7ed3\u5408QAM\u6b63\u4ea4\u5e45\u5ea6\u8c03\u5236\u3001\u591a\u8f7d\u6ce2\u8c03\u5236\u7b49\u6280\u672f\uff0cLTE\u57fa\u7ad9\u80fd\u591f\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u548c\u9891\u8c31\u5229\u7528\u7387\uff0c\u4ece\u800c\u63d0\u9ad8\u6574\u4f53\u901a\u4fe1\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u5b57\u6709\u7ebf\u7535\u89c6\u7cfb\u7edf<\/strong>\uff1aQAM\u8c03\u5236\u6280\u672f\u4e5f\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6570\u5b57\u6709\u7ebf\u7535\u89c6\u7cfb\u7edf\u4e2d\u3002\u7531\u4e8e\u5176\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u80fd\u529b\uff0cQAM\u8c03\u5236\u5668\u5728\u8fd9\u4e9b\u7cfb\u7edf\u4e2d\u8d77\u5230\u4e86\u5173\u952e\u4f5c\u7528\uff0c\u80fd\u591f\u652f\u6301\u9ad8\u6e05\u6670\u5ea6\u89c6\u9891\u4fe1\u53f7\u7684\u4f20\u8f93\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5ba4\u5185MIMO\u5149\u65e0\u7ebf\u901a\u4fe1<\/strong>\uff1a\u57fa\u4e8eDMT\/QAM\u548cSTBC(\u7a7a\u95f4\u65f6\u5206\u590d\u7528)\u7684\u5ba4\u5185MIMO\u5149\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0cQAM\u8c03\u5236\u6280\u672f\u7528\u4e8e\u63d0\u9ad8\u4fe1\u53f7\u7684\u4f20\u8f93\u8d28\u91cf\u548c\u7cfb\u7edf\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u8fd9\u79cd\u7cfb\u7edf\u901a\u5e38\u7528\u4e8e\u5ba4\u5185\u73af\u5883\uff0c\u80fd\u591f\u6709\u6548\u5730\u89e3\u51b3\u5ba4\u5185\u4fe1\u53f7\u8870\u51cf\u7684\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>Wi-Fi\u548c\u84dd\u7259\u6280\u672f<\/strong>\uff1a\u5728Wi-Fi\u548c\u84dd\u7259\u6280\u672f\u4e2d\uff0cQAM\u8c03\u5236\u6280\u672f\u4e5f\u88ab\u7528\u4e8e\u77ed\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u4ee5\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u6548\u7387\u3002\u8fd9\u4e9b\u7cfb\u7edf\u901a\u5e38\u9700\u8981\u9ad8\u6548\u7684\u8c03\u5236\u6280\u672f\u6765\u6ee1\u8db3\u7528\u6237\u5bf9\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u9700\u6c42\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e94\u6025\u5e7f\u64ad\u7cfb\u7edf<\/strong>\uff1a\u5728\u5e94\u6025\u5e7f\u64ad\u7cfb\u7edf\u4e2d\uff0cQAM\u8c03\u5236\u5668\u88ab\u7528\u4e8e\u786e\u4fdd\u5e7f\u64ad\u4fe1\u53f7\u7684\u7a33\u5b9a\u4f20\u8f93\u3002\u8fd9\u79cd\u7cfb\u7edf\u901a\u5e38\u8981\u6c42\u9ad8\u5ea6\u7684\u53ef\u9760\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0cQAM\u8c03\u5236\u6280\u672f\u5728\u8fd9\u65b9\u9762\u8868\u73b0\u51fa\u8272\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000QAM\u8c03\u5236\u6280\u672f\u5728\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u4ece4G LTE\u57fa\u7ad9\u5230\u6570\u5b57\u6709\u7ebf\u7535\u89c6\u7cfb\u7edf\uff0c\u518d\u5230\u5ba4\u5185MIMO\u5149\u65e0\u7ebf\u901a\u4fe1\u3001Wi-Fi\u548c\u84dd\u7259\u6280\u672f\uff0c\u4ee5\u53ca\u5e94\u6025\u5e7f\u64ad\u7cfb\u7edf\uff0cQAM\u8c03\u5236\u6280\u672f\u90fd\u53d1\u6325\u4e86\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 \u5982\u4f55\u8ba1\u7b97QAM\u8c03\u5236\u6280\u672f\u7684\u9891\u8c31\u5229\u7528\u7387\uff0c\u5e76\u4e0e\u5176\u4ed6\u8c03\u5236\u6280\u672f(\u5982QPSK\u3001QAM)\u8fdb\u884c\u6bd4\u8f83?<\/h2>\n\n\n\n<p>\u3000\u3000QAM(\u6b63\u4ea4\u5e45\u5ea6\u8c03\u5236)\u6280\u672f\u901a\u8fc7\u540c\u65f6\u8c03\u5236\u8f7d\u6ce2\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u6765\u4f20\u9012\u4fe1\u606f\u6bd4\u7279\uff0c\u4ece\u800c\u5728\u6700\u5c0f\u8ddd\u79bb\u76f8\u540c\u7684\u6761\u4ef6\u4e0b\u5b9e\u73b0\u66f4\u9ad8\u7684\u9891\u5e26\u5229\u7528\u7387\u3002\u5177\u4f53\u6765\u8bf4\uff0cQAM\u6280\u672f\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0\u8c03\u5236\u9636\u6570(\u6837\u70b9\u6570)\u6765\u63d0\u9ad8\u9891\u5e26\u5229\u7528\u7387\u3002\u4f8b\u5982\uff0c1024-QAM\u6280\u672f\u53ef\u4ee5\u8fbe\u52301024\u4e2a\u6837\u70b9\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ef\u4ee5\u5728\u6709\u9650\u7684\u9891\u8c31\u5e26\u5bbd\u5185\u4f20\u8f93\u66f4\u591a\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0e\u5176\u4ed6\u8c03\u5236\u6280\u672f\u76f8\u6bd4\uff0cQAM\u7684\u9891\u8c31\u5229\u7528\u7387\u663e\u8457\u9ad8\u4e8e\u4e00\u4e9b\u57fa\u672c\u7684\u8c03\u5236\u6280\u672f\u3002\u4f8b\u5982\uff0c\u4e0e\u4ec5\u4f7f\u7528\u5e45\u5ea6\u8c03\u5236(\u5982AM)\u7684\u6280\u672f\u76f8\u6bd4\uff0cQAM\u53ef\u4ee5\u5728\u540c\u6837\u7684\u9891\u5e26\u5bbd\u5ea6\u5185\u4f20\u8f93\u53cc\u500d\u7684\u6570\u636e\u91cf\uff0c\u4ece\u800c\u63d0\u9ad8\u4e861\u500d\u7684\u9891\u8c31\u5229\u7528\u7387\u3002\u6b64\u5916\uff0c\u4e0eQPSK(\u56db\u76f8\u4f4d\u79fb\u952e\u63a7)\u76f8\u6bd4\uff0cQAM\u7531\u4e8e\u540c\u65f6\u8c03\u5236\u5e45\u5ea6\u548c\u76f8\u4f4d\uff0c\u53ef\u4ee5\u4f20\u8f93\u66f4\u591a\u7684\u6bd4\u7279\u6bcf\u7b26\u53f7\uff0c\u800cQPSK\u53ea\u8c03\u5236\u76f8\u4f4d\uff0c\u6bcf\u7b26\u53f7\u4f20\u8f932\u6bd4\u7279\u3002<\/p>\n\n\n\n<p>\u3000\u3000QAM\u6280\u672f\u901a\u8fc7\u7ed3\u5408\u5e45\u5ea6\u548c\u76f8\u4f4d\u8c03\u5236\uff0c\u80fd\u591f\u5728\u4fdd\u6301\u76f8\u540c\u4fe1\u53f7\u8d28\u91cf\u7684\u60c5\u51b5\u4e0b\uff0c\u663e\u8457\u63d0\u9ad8\u9891\u8c31\u5229\u7528\u7387\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 QAM\u8c03\u5236\u6280\u672f\u7684\u6297\u566a\u58f0\u80fd\u529b\u662f\u5982\u4f55\u5b9e\u73b0\u7684?<\/h2>\n\n\n\n<p>\u3000\u3000QAM(\u6b63\u4ea4\u5e45\u5ea6\u8c03\u5236)\u6280\u672f\u901a\u8fc7\u540c\u65f6\u8c03\u5236\u4fe1\u53f7\u7684\u632f\u5e45\u548c\u76f8\u4f4d\u6765\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u3002\u5176\u6297\u566a\u58f0\u80fd\u529b\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u632f\u5e45\u548c\u76f8\u4f4d\u8054\u5408\u952e\u63a7<\/strong>\uff1aQAM\u6280\u672f\u901a\u8fc7\u540c\u65f6\u8c03\u5236\u4fe1\u53f7\u7684\u632f\u5e45\u548c\u76f8\u4f4d\uff0c\u4f7f\u5f97\u6bcf\u4e2a\u7b26\u53f7\u5728\u9891\u57df\u4e2d\u5360\u636e\u66f4\u5927\u7684\u5e26\u5bbd\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u5bb9\u9650\uff0c\u589e\u5f3a\u4e86\u6297\u566a\u58f0\u80fd\u529b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9ad8\u9636QAM\u7cfb\u7edf\u7684\u8bbe\u8ba1<\/strong>\uff1a\u9ad8\u9636QAM\u7cfb\u7edf(\u598216QAM\u300164QAM\u7b49)\u901a\u8fc7\u589e\u52a0\u8c03\u5236\u7ea7\u522b\uff0c\u80fd\u591f\u5728\u8f83\u5c0f\u7684\u9891\u5e26\u5185\u4f20\u8f93\u66f4\u591a\u7684\u6570\u636e\uff0c\u4ece\u800c\u63d0\u9ad8\u9891\u5e26\u5229\u7528\u7387\u3002\u867d\u7136\u9ad8\u9636QAM\u727a\u7272\u4e86\u4e00\u5b9a\u7684\u6297\u5e72\u6270\u6027\uff0c\u4f46\u5176\u8bbe\u8ba1\u4ecd\u7136\u8003\u8651\u4e86\u6297\u566a\u58f0\u7684\u9700\u6c42\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6291\u5236\u76f8\u4f4d\u566a\u58f0\u7684\u7b97\u6cd5<\/strong>\uff1a\u5728\u9ad8\u9636QAM\u7cfb\u7edf\u4e2d\uff0c\u76f8\u4f4d\u566a\u58f0\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u5e72\u6270\u56e0\u7d20\u3002\u7814\u7a76\u8868\u660e\uff0c\u901a\u8fc7\u91c7\u7528\u57fa\u4e8e\u661f\u5ea7\u56fe\u7684\u6291\u5236\u7b97\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u51cf\u5c11\u76f8\u4f4d\u566a\u58f0\u5bf9\u7cfb\u7edf\u7684\u5f71\u54cd\uff0c\u4ece\u800c\u63d0\u9ad8\u6297\u566a\u58f0\u80fd\u529b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8bef\u7801\u7387\u7684\u63a7\u5236<\/strong>\uff1aQAM\u7cfb\u7edf\u901a\u8fc7\u4f18\u5316\u661f\u5ea7\u56fe\u548c\u8c03\u5236\u7b56\u7565\uff0c\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u63a7\u5236\u8bef\u7801\u7387\uff0c\u4ece\u800c\u63d0\u9ad8\u6297\u566a\u58f0\u6027\u80fd\u3002\u4f8b\u5982\uff0c16QAM\u7cfb\u7edf\u7684\u6297\u5e72\u6270\u80fd\u529b\u4f18\u4e8e16PSK\u7cfb\u7edf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9002\u5e94\u4e0d\u540c\u7684\u4f20\u8f93\u60c5\u51b5<\/strong>\uff1aQAM\u6280\u672f\u80fd\u591f\u9002\u5e94\u4e0d\u540c\u7684\u4f20\u8f93\u73af\u5883\u548c\u6761\u4ef6\uff0c\u901a\u8fc7\u7075\u6d3b\u8c03\u6574\u8c03\u5236\u53c2\u6570\u548c\u89e3\u8c03\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u4e0d\u540c\u566a\u58f0\u6c34\u5e73\u4e0b\u4fdd\u6301\u8f83\u597d\u7684\u901a\u4fe1\u8d28\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cQAM\u8c03\u5236\u6280\u672f\u9762\u4e34\u7684\u4e3b\u8981\u6311\u6218\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cQAM\u8c03\u5236\u6280\u672f\u9762\u4e34\u7684\u4e3b\u8981\u6311\u6218\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5cf0\u5747\u6bd4(PAR)\u95ee\u9898<\/strong>\uff1a\u9ad8\u9636QAM\u8c03\u5236\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u7684\u5cf0\u5747\u6bd4(PAR)\u589e\u52a0\uff0c\u8fd9\u5bf9\u4f20\u8f93\u8bbe\u5907\u7684\u8bbe\u8ba1\u63d0\u51fa\u4e86\u66f4\u9ad8\u7684\u8981\u6c42\u3002\u9ad8PAR\u503c\u610f\u5473\u7740\u4fe1\u53f7\u5728\u67d0\u4e9b\u65f6\u523b\u53ef\u80fd\u4f1a\u975e\u5e38\u5f3a\u70c8\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u975e\u7ebf\u6027\u5931\u771f\uff0c\u4ece\u800c\u5f71\u54cd\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b\u4e0b\u964d<\/strong>\uff1a\u7531\u4e8eQAM\u91c7\u7528\u4e86\u66f4\u5bc6\u96c6\u7684\u4fe1\u53f7\u70b9\u6765\u63d0\u9ad8\u6570\u636e\u901f\u7387\uff0c\u8fd9\u4f7f\u5f97\u7cfb\u7edf\u7684\u6297\u5e72\u6270\u80fd\u529b\u4e0b\u964d\uff0c\u4fe1\u9053\u8bef\u7801\u7387\u589e\u5927\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u89e3\u8c03\u590d\u6742\u5ea6\u589e\u52a0<\/strong>\uff1a\u968f\u7740\u8c03\u5236\u9636\u6570\u7684\u589e\u52a0\uff0c\u89e3\u8c03\u8fc7\u7a0b\u53d8\u5f97\u66f4\u52a0\u590d\u6742\u3002\u73b0\u6709\u7684\u81ea\u9002\u5e94\u89e3\u8c03\u65b9\u6848\u4e2d\uff0c\u91c7\u7528\u7684\u8c03\u5236\u661f\u5ea7\u9636\u6570\u6700\u9ad8\u4ec5\u9650\u4e8e16QAM\uff0c\u800c\u5bf9\u4e8e\u66f4\u9ad8\u9636\u6570\u7684QAM\uff0c\u598264QAM\u6216256QAM\uff0c\u89e3\u8c03\u7b97\u6cd5\u9700\u8981\u8fdb\u884c\u76f8\u5e94\u7684\u6539\u8fdb\u548c\u4f18\u5316\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6210\u672c\u548c\u529f\u7387\u6d88\u8017<\/strong>\uff1a\u9ad8\u9636QAM\u8c03\u5236\u4e0d\u4ec5\u5bf9\u8bbe\u5907\u8bbe\u8ba1\u6709\u66f4\u9ad8\u7684\u8981\u6c42\uff0c\u8fd8\u4f1a\u589e\u52a0\u7cfb\u7edf\u7684\u6210\u672c\u548c\u529f\u7387\u6d88\u8017\u3002\u8fd9\u662f\u56e0\u4e3a\u9ad8\u9636QAM\u9700\u8981\u66f4\u9ad8\u7684\u529f\u7387\u653e\u5927\u5668\u548c\u66f4\u590d\u6742\u7684\u524d\u7aef\u5904\u7406\u5668\u6765\u5904\u7406\u4fe1\u53f7\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7ebf\u6027\u5ea6\u8981\u6c42\u63d0\u9ad8<\/strong>\uff1a\u4e3a\u4e86\u5e94\u5bf9\u9ad8PAR\u503c\u5e26\u6765\u7684\u975e\u7ebf\u6027\u5931\u771f\u95ee\u9898\uff0c\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u5bf9\u7ebf\u6027\u5ea6\u7684\u8981\u6c42\u4e5f\u968f\u4e4b\u63d0\u9ad8\u3002\u8fd9\u610f\u5473\u7740\u9700\u8981\u4f7f\u7528\u66f4\u5148\u8fdb\u7684\u6280\u672f\u6765\u786e\u4fdd\u4fe1\u53f7\u7684\u7ebf\u6027\u4f20\u8f93\uff0c\u4ee5\u907f\u514d\u975e\u7ebf\u6027\u5931\u771f\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fe1\u9053\u7f16\u7801\u548c\u8bd1\u7801\u73af\u8282<\/strong>\uff1a\u5728\u9ad8\u9636QAM\u8c03\u5236\u4e2d\uff0c\u4fe1\u9053\u7f16\u7801\u548c\u8bd1\u7801\u73af\u8282\u7684\u8bbe\u8ba1\u548c\u5b9e\u73b0\u4e5f\u9762\u4e34\u6311\u6218\u3002\u8fd9\u4e9b\u73af\u8282\u9700\u8981\u80fd\u591f\u6709\u6548\u5730\u5904\u7406\u9ad8PAR\u503c\u548c\u9ad8\u5bc6\u5ea6\u4fe1\u53f7\u70b9\u5e26\u6765\u7684\u95ee\u9898\uff0c\u4ee5\u786e\u4fdd\u901a\u4fe1\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000QAM\u8c03\u5236\u6280\u672f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u9762\u4e34\u7684\u4e3b\u8981\u6311\u6218\u5305\u62ec\u5cf0\u5747\u6bd4\u95ee\u9898\u3001\u6297\u5e72\u6270\u80fd\u529b\u4e0b\u964d\u3001\u89e3\u8c03\u590d\u6742\u5ea6\u589e\u52a0\u3001\u6210\u672c\u548c\u529f\u7387\u6d88\u8017\u3001\u7ebf\u6027\u5ea6\u8981\u6c42\u63d0\u9ad8\u4ee5\u53ca\u4fe1\u9053\u7f16\u7801\u548c\u8bd1\u7801\u73af\u8282\u7684\u8bbe\u8ba1\u96be\u5ea6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 \u9488\u5bf9QAM\u8c03\u5236\u6280\u672f\u7684\u6700\u65b0\u7814\u7a76\u8fdb\u5c55\u548c\u672a\u6765\u53d1\u5c55\u8d8b\u52bf\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000\u9488\u5bf9QAM\u8c03\u5236\u6280\u672f\u7684\u6700\u65b0\u7814\u7a76\u8fdb\u5c55\u548c\u672a\u6765\u53d1\u5c55\u8d8b\u52bf\uff0c\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u8fd1\u5e74\u6765\uff0cQAM\u8c03\u5236\u6280\u672f\u5728\u9ad8\u9636\u8c03\u5236\u65b9\u9762\u53d6\u5f97\u4e86\u663e\u8457\u8fdb\u5c55\u3002\u4f8b\u5982\uff0c2023\u5e744\u670827\u65e5\uff0c\u4e00\u9879\u7814\u7a76\u6210\u529f\u5b9e\u73b0\u4e8665536 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