{"id":98549,"date":"2024-10-28T11:47:54","date_gmt":"2024-10-28T03:47:54","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=98549"},"modified":"2024-10-28T11:47:58","modified_gmt":"2024-10-28T03:47:58","slug":"mtzfsdzytdynx","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/98549.html","title":{"rendered":"MSK\u8c03\u5236\u65b9\u5f0f\u7684\u4e3b\u8981\u7279\u70b9\u6709\u54ea\u4e9b?"},"content":{"rendered":"\n<p>\u3000\u3000<strong>MSK<\/strong>(\u6700\u5c0f\u9891\u79fb\u952e\u63a7)\u8c03\u5236\u65b9\u5f0f\u5177\u6709\u4ee5\u4e0b\u51e0\u4e2a\u4e3b\u8981\u7279\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6052\u5305\u7edc<\/strong>\uff1aMSK\u4fe1\u53f7\u7684\u5305\u7edc\u662f\u6052\u5b9a\u4e0d\u53d8\u7684\uff0c\u8fd9\u610f\u5473\u7740\u4fe1\u53f7\u7684\u5e45\u5ea6\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u7a33\u5b9a\uff0c\u6709\u5229\u4e8e\u5728\u975e\u7ebf\u6027\u4fe1\u9053\u4e2d\u4f20\u8f93\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u76f8\u4f4d\u8fde\u7eed<\/strong>\uff1aMSK\u4fe1\u53f7\u5728\u6bcf\u4e2a\u7801\u5143\u5468\u671f\u5185\u7684\u76f8\u4f4d\u53d8\u5316\u662f\u8fde\u7eed\u7684\uff0c\u4e14\u76f8\u4f4d\u53d8\u5316\u901f\u7387\u6052\u5b9a\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5f97MSK\u4fe1\u53f7\u5728\u591a\u5f84\u4f20\u64ad\u73af\u5883\u4e0b\u5931\u771f\u8f83\u5c0f\uff0c\u5e76\u4e14\u6297\u5e72\u6270\u6027\u80fd\u8f83\u597d\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9891\u8c31\u6548\u7387\u9ad8<\/strong>\uff1aMSK\u8c03\u5236\u65b9\u5f0f\u5177\u6709\u8f83\u9ad8\u7684\u9891\u8c31\u5229\u7528\u7387\uff0c\u5176\u9891\u8c31\u4e3b\u74e3\u80fd\u91cf\u96c6\u4e2d\uff0c\u65c1\u74e3\u8870\u51cf\u8f83\u5feb\uff0c\u8fd9\u4f7f\u5f97\u5176\u5728\u76f8\u540c\u5e26\u5bbd\u60c5\u51b5\u4e0b\u6709\u8f83\u597d\u7684\u8bef\u7801\u7387\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9891\u7387\u504f\u79fb\u5c0f<\/strong>\uff1aMSK\u4fe1\u53f7\u7684\u9891\u7387\u53d8\u5316\u975e\u5e38\u5c0f\uff0c\u901a\u5e38\u53ea\u6709\u4e24\u4e2a\u76f8\u90bb\u8f7d\u6ce2\u9891\u7387\u4e4b\u95f4\u7684\u6700\u5c0f\u95f4\u9694\uff0c\u56e0\u6b64\u88ab\u79f0\u4e3a\u201c\u8fde\u7eed\u76f8\u4f4dFSK\u201d(CPFSK)\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5f97MSK\u4fe1\u53f7\u5177\u6709\u826f\u597d\u7684\u6297\u566a\u58f0\u6027\u80fd\u548c\u4f4e\u8bef\u7801\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9002\u5408\u7a84\u5e26\u4fe1\u9053<\/strong>\uff1a\u7531\u4e8eMSK\u4fe1\u53f7\u7684\u5e26\u5bbd\u8f83\u7a84\uff0c\u9891\u8c31\u5229\u7528\u7387\u9ad8\uff0c\u56e0\u6b64\u7279\u522b\u9002\u5408\u5728\u7a84\u5e26\u4fe1\u9053\u4e2d\u4f7f\u7528\uff0c\u5bf9\u90bb\u9053\u5e72\u6270\u8f83\u5c0f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u81ea\u540c\u6b65\u80fd\u529b<\/strong>\uff1aMSK\u4fe1\u53f7\u5177\u6709\u81ea\u540c\u6b65\u7684\u80fd\u529b\uff0c\u8fd9\u4f7f\u5f97\u5b83\u5728\u63a5\u6536\u7aef\u4e0d\u9700\u8981\u590d\u6742\u7684\u540c\u6b65\u673a\u5236\u5373\u53ef\u89e3\u8c03\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8c03\u5236\u6307\u6570\u4e3a0.5<\/strong>\uff1aMSK\u662f\u4e00\u79cd\u8c03\u5236\u6307\u6570\u4e3a0.5\u7684\u6b63\u4ea4\u4fe1\u53f7\uff0c\u9891\u7387\u504f\u79fb\u4e25\u683c\u63a7\u5236\u5728\u00b11\/4\u7801\u5143\u5468\u671f\u5185\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u8fd9\u4e9b\u7279\u70b9\u4f7f\u5f97MSK\u8c03\u5236\u65b9\u5f0f\u5728\u65e0\u7ebf\u901a\u4fe1\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\uff0c\u5c24\u5176\u662f\u5728\u79fb\u52a8\u901a\u4fe1\u7cfb\u7edf\u4e2d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 MSK\u8c03\u5236\u65b9\u5f0f\u5728\u975e\u7ebf\u6027\u4fe1\u9053\u4e2d\u4f20\u8f93\u7684\u5177\u4f53\u4f18\u52bf<\/h2>\n\n\n\n<p>\u3000\u3000MSK(\u6700\u5c0f\u9891\u79fb\u952e\u63a7)\u8c03\u5236\u65b9\u5f0f\u5728\u975e\u7ebf\u6027\u4fe1\u9053\u4e2d\u4f20\u8f93\u5177\u6709\u663e\u8457\u7684\u4f18\u52bf\u3002\u9996\u5148\uff0cMSK\u8c03\u5236\u662f\u4e00\u79cd\u6052\u5305\u7edc\u7684\u8c03\u5236\u65b9\u5f0f\uff0c\u8fd9\u610f\u5473\u7740\u5176\u4fe1\u53f7\u7684\u5e45\u5ea6\u4fdd\u6301\u4e0d\u53d8\uff0c\u8fd9\u6709\u52a9\u4e8e\u964d\u4f4e\u7531\u4e8e\u975e\u7ebf\u6027\u5668\u4ef6\u5f15\u8d77\u7684\u5931\u771f\u3002\u8fd9\u79cd\u6052\u5b9a\u7684\u5305\u7edc\u7279\u6027\u4f7f\u5f97MSK\u4fe1\u53f7\u5728\u7ecf\u8fc7\u975e\u7ebf\u6027\u4fe1\u9053\u65f6\uff0c\u7578\u53d8\u8f83\u5c0f\uff0c\u4ece\u800c\u51cf\u5c0f\u4e86\u7531\u975e\u7ebf\u6027\u5f15\u8d77\u7684\u8f7d\u6ce2\u9891\u7387\u504f\u79fb\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cMSK\u8c03\u5236\u7531\u4e8e\u5176\u76f8\u4f4d\u8fde\u7eed\u53d8\u5316\u7684\u7279\u70b9\uff0c\u5728\u975e\u7ebf\u6027\u4fe1\u9053\u4e2d\u5177\u6709\u66f4\u5c0f\u7684\u7801\u8ddf\u8e2a\u8bef\u5dee\uff0c\u8fd9\u4f7f\u5f97\u5176\u5728\u4fe1\u9053\u5e72\u6270\u8f83\u4e25\u91cd\u7684\u73af\u5883\u4e0b\u4ecd\u80fd\u4fdd\u6301\u8f83\u597d\u7684\u4f20\u8f93\u6027\u80fd\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5f97MSK\u8c03\u5236\u5728\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\uff0c\u7279\u522b\u662f\u5728\u79fb\u52a8\u901a\u4fe1\u9886\u57df\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 MSK\u4fe1\u53f7\u7684\u76f8\u4f4d\u8fde\u7eed\u6027\u5982\u4f55\u5728\u591a\u5f84\u4f20\u64ad\u73af\u5883\u4e0b\u51cf\u5c11\u5931\u771f?<\/h2>\n\n\n\n<p>\u3000\u3000MSK(\u6700\u5c0f\u9891\u79fb\u952e\u63a7)\u4fe1\u53f7\u7684\u76f8\u4f4d\u8fde\u7eed\u6027\u5728\u591a\u5f84\u4f20\u64ad\u73af\u5883\u4e0b\u51cf\u5c11\u5931\u771f\u65b9\u9762\u8d77\u7740\u91cd\u8981\u4f5c\u7528\u3002MSK\u4fe1\u53f7\u7684\u4e00\u4e2a\u663e\u8457\u7279\u70b9\u662f\u5176\u76f8\u4f4d\u8fde\u7eed\u6027\uff0c\u5373\u76f8\u90bb\u6bd4\u7279\u4e4b\u95f4\u7684\u76f8\u4f4d\u53d8\u5316\u662f\u8fde\u7eed\u7684\uff0c\u6ca1\u6709\u4e0d\u8fde\u7eed\u7684\u8dc3\u53d8\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5f97MSK\u4fe1\u53f7\u5728\u63a5\u6536\u7aef\u66f4\u5bb9\u6613\u8fdb\u884c\u76f8\u4f4d\u89e3\u8c03\uff0c\u4ece\u800c\u51cf\u5c11\u4e86\u7531\u4e8e\u76f8\u4f4d\u7a81\u53d8\u5f15\u8d77\u7684\u5931\u771f\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u591a\u5f84\u4f20\u64ad\u73af\u5883\u4e2d\uff0c\u4fe1\u53f7\u4f1a\u7ecf\u8fc7\u591a\u4e2a\u8def\u5f84\u5230\u8fbe\u63a5\u6536\u5668\uff0c\u5bfc\u81f4\u65f6\u5ef6\u6269\u5c55\u548c\u4fe1\u53f7\u5931\u771f\u3002MSK\u4fe1\u53f7\u7684\u76f8\u4f4d\u8fde\u7eed\u6027\u6709\u52a9\u4e8e\u51cf\u5c11\u8fd9\u4e9b\u5931\u771f\uff0c\u56e0\u4e3a\u5176\u76f8\u4f4d\u53d8\u5316\u662f\u5e73\u6ed1\u7684\uff0c\u800c\u4e0d\u662f\u6025\u5267\u53d8\u5316\u3002\u8fd9\u4f7f\u5f97\u63a5\u6536\u5668\u80fd\u591f\u66f4\u51c6\u786e\u5730\u8ddf\u8e2a\u4fe1\u53f7\u7684\u76f8\u4f4d\u53d8\u5316\uff0c\u4ece\u800c\u51cf\u5c11\u7531\u591a\u5f84\u6548\u5e94\u5f15\u8d77\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cMSK\u4fe1\u53f7\u7684\u5305\u7edc\u6052\u5b9a\u548c\u5e26\u5bbd\u5360\u7528\u5c0f\u7684\u7279\u70b9\u4e5f\u4f7f\u5176\u5728\u591a\u5f84\u4f20\u64ad\u73af\u5883\u4e2d\u8868\u73b0\u826f\u597d\u3002\u8fd9\u4e9b\u7279\u6027\u6709\u52a9\u4e8e\u51cf\u5c11\u4fe1\u53f7\u5931\u771f\uff0c\u5e76\u63d0\u9ad8\u901a\u4fe1\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 MSK\u8c03\u5236\u65b9\u5f0f\u7684\u9891\u8c31\u6548\u7387\u4e0e\u5176\u5b83\u8c03\u5236\u65b9\u5f0f\u5bf9\u6bd4<\/h2>\n\n\n\n<p>\u3000\u3000MSK(\u6700\u5c0f\u79fb\u9891\u952e\u63a7)\u8c03\u5236\u65b9\u5f0f\u5728\u9891\u8c31\u6548\u7387\u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u4e0e\u5176\u4ed6\u8c03\u5236\u65b9\u5f0f\u76f8\u6bd4\u5177\u6709\u663e\u8457\u4f18\u52bf\u3002\u6839\u636e\u591a\u9879\u8bc1\u636e\uff0cMSK\u8c03\u5236\u65b9\u5f0f\u5728\u9891\u8c31\u5229\u7528\u7387\u4e0a\u66f4\u52a0\u9ad8\u6548\uff0c\u80fd\u591f\u5b9e\u73b0\u66f4\u5feb\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u5728\u5168\u7403\u79fb\u52a8\u901a\u4fe1\u7cfb\u7edf(GSM)\u4e2d\uff0cMSK\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\uff0c\u8fd9\u8868\u660e\u5176\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u9ad8\u6548\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cMSK\u8c03\u5236\u65b9\u5f0f\u8fd8\u5177\u6709\u66f4\u597d\u7684\u9891\u8c31\u6548\u7387\u548c\u8f83\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u9002\u5408\u5728\u8df3\u9891\u901a\u4fe1\u7cfb\u7edf\u4e2d\u4f7f\u7528\u3002\u4e0eBPSK(\u4e8c\u8fdb\u5236\u76f8\u79fb\u952e\u63a7)\u76f8\u6bd4\uff0cMSK\u5728\u9891\u8c31\u5229\u7528\u7387\u4e0a\u66f4\u52a0\u9ad8\u6548\uff0c\u5176\u5e26\u5916\u9891\u8c31\u5206\u91cf\u8870\u51cf\u66f4\u5feb\uff0c\u8fd9\u610f\u5473\u7740MSK\u4fe1\u53f7\u7684\u529f\u7387\u8c31\u5bc6\u5ea6\u5360\u7684\u9891\u5bbd\u6bd4BPSK\u4fe1\u53f7\u7a84\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5f97MSK\u5728\u76f8\u540c\u7684\u9891\u5e26\u5185\u80fd\u591f\u4ee5\u8f83\u9ad8\u7684\u6570\u636e\u901f\u7387\u4f20\u8f93\u4fe1\u606f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 MSK\u4fe1\u53f7\u7684\u81ea\u540c\u6b65\u80fd\u529b\u662f\u5982\u4f55\u5b9e\u73b0<\/h2>\n\n\n\n<p>\u3000\u3000MSK\u4fe1\u53f7\u7684\u81ea\u540c\u6b65\u80fd\u529b\u4e3b\u8981\u901a\u8fc7\u5176\u7279\u5b9a\u7684\u8c03\u5236\u7279\u6027\u5b9e\u73b0\u3002MSK(Minimum Shift Keying)\u662f\u4e00\u79cd\u7279\u6b8a\u76842FSK(Frequency Shift Keying)\u8c03\u5236\u65b9\u5f0f\uff0c\u5177\u6709\u6052\u5b9a\u5305\u7edc\u3001\u76f8\u4f4d\u8fde\u7eed\u548c\u5e26\u5bbd\u7a84\u7b49\u7279\u70b9\u3002\u8fd9\u4e9b\u7279\u6027\u4f7f\u5f97MSK\u4fe1\u53f7\u5728\u63a5\u6536\u7aef\u80fd\u591f\u66f4\u5bb9\u6613\u5730\u6062\u590d\u51fa\u539f\u59cb\u7684\u65f6\u949f\u4fe1\u53f7\uff0c\u4ece\u800c\u5b9e\u73b0\u81ea\u540c\u6b65\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0cMSK\u4fe1\u53f7\u7684\u81ea\u540c\u6b65\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>\u6052\u5b9a\u5305\u7edc<\/strong>\uff1aMSK\u4fe1\u53f7\u7684\u632f\u5e45\u662f\u6052\u5b9a\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5728\u63a5\u6536\u7aef\u53ef\u4ee5\u901a\u8fc7\u68c0\u6d4b\u4fe1\u53f7\u7684\u5e45\u5ea6\u6765\u6062\u590d\u51fa\u65f6\u949f\u4fe1\u53f7\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u76f8\u4f4d\u8fde\u7eed<\/strong>\uff1aMSK\u4fe1\u53f7\u5728\u4e00\u4e2a\u7801\u5143\u671f\u95f4\u5185\u76f8\u4f4d\u53d8\u5316\u4e3a\u00b1\u03c0\/2.\u4e14\u5728\u7801\u5143\u8f6c\u6362\u65f6\u523b\u4fe1\u53f7\u7684\u76f8\u4f4d\u662f\u8fde\u7eed\u7684\uff0c\u6ca1\u6709\u7a81\u53d8\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5f97\u63a5\u6536\u7aef\u53ef\u4ee5\u901a\u8fc7\u68c0\u6d4b\u76f8\u4f4d\u53d8\u5316\u6765\u6062\u590d\u51fa\u65f6\u949f\u4fe1\u53f7\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e26\u5bbd\u7a84<\/strong>\uff1aMSK\u4fe1\u53f7\u7684\u5e26\u5bbd\u4ec5\u4e3a1.5 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