{"id":72027,"date":"2023-12-22T10:53:32","date_gmt":"2023-12-22T02:53:32","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=72027"},"modified":"2023-12-22T10:53:35","modified_gmt":"2023-12-22T02:53:35","slug":"mhfdqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/72027.html","title":{"rendered":"MSK\u548c2FSK\u7684\u533a\u522b"},"content":{"rendered":"\n<p>\u3000\u3000\u5728\u901a\u4fe1\u9886\u57df\u4e2d\uff0c\u8c03\u5236\u6280\u672f\u662f\u5b9e\u73b0\u4fe1\u53f7\u4f20\u8f93\u7684\u91cd\u8981\u624b\u6bb5\u3002\u5176\u4e2d\uff0c\u6700\u5e38\u89c1\u7684\u8c03\u5236\u6280\u672f\u4e4b\u4e00\u662f<strong>MSK(Minimum Shift Keying)<\/strong>\u548c<strong>2FSK(2-Frequency Shift Keying)<\/strong>\u3002\u867d\u7136\u5b83\u4eec\u90fd\u5c5e\u4e8e\u9891\u79fb\u952e\u63a7\u8c03\u5236\u6280\u672f\uff0c\u4f46\u5b83\u4eec\u5728\u8c03\u5236\u65b9\u5f0f\u3001\u9891\u8c31\u7279\u6027\u548c\u5e94\u7528\u9886\u57df\u4e0a\u5b58\u5728\u4e00\u4e9b\u5173\u952e\u7684\u5dee\u5f02\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8MSK\u548c2FSK\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e24\u79cd\u8c03\u5236\u6280\u672f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001MSK\u8c03\u5236\u6280\u672f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. MSK\u8c03\u5236\u539f\u7406<\/h3>\n\n\n\n<p>\u3000\u3000MSK\u662f\u4e00\u79cd\u76f8\u4f4d\u8fde\u7eed\u7684\u9891\u79fb\u952e\u63a7\u8c03\u5236\u6280\u672f\uff0c\u5176\u57fa\u672c\u539f\u7406\u662f\u901a\u8fc7\u6539\u53d8\u8f7d\u6ce2\u76f8\u4f4d\u6765\u4f20\u8f93\u6570\u5b57\u4fe1\u606f\u3002\u5b83\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u6bcf\u4e2a\u6bd4\u7279\u5468\u671f\u5185\u7684\u76f8\u4f4d\u53d8\u5316\u4e3a\u00b190\u00b0\uff0c\u5373\u6bcf\u4e2a\u6bd4\u7279\u5468\u671f\u5185\u7684\u76f8\u4f4d\u53d8\u5316\u91cf\u662f\u56fa\u5b9a\u7684\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u76f8\u90bb\u6bd4\u7279\u4e4b\u95f4\u6ca1\u6709\u8df3\u53d8\uff0c\u76f8\u4f4d\u53d8\u5316\u5e73\u6ed1\u8fde\u7eed\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u76f8\u90bb\u6bd4\u7279\u4e4b\u95f4\u7684\u76f8\u4f4d\u53d8\u5316\u5dee\u5f02\u4e3a\u00b190\u00b0\uff0c\u4fdd\u8bc1\u4e86\u76f8\u4f4d\u8fde\u7eed\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. MSK\u7684\u9891\u8c31\u7279\u6027<\/h3>\n\n\n\n<p>\u3000\u3000MSK\u7684\u9891\u8c31\u7279\u6027\u4e3b\u8981\u7531\u5176\u8c03\u5236\u6307\u6570\u51b3\u5b9a\u3002\u8c03\u5236\u6307\u6570\u8d8a\u5927\uff0c\u9891\u8c31\u5c55\u5bbd\u8d8a\u660e\u663e\uff0c\u6297\u5e72\u6270\u80fd\u529b\u8d8a\u5f3a\u3002\u4e0e\u5176\u4ed6\u8c03\u5236\u6280\u672f\u76f8\u6bd4\uff0cMSK\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u9891\u8c31\u6548\u7387\u9ad8\uff0c\u80fd\u591f\u5728\u6709\u9650\u9891\u8c31\u5e26\u5bbd\u5185\u4f20\u8f93\u66f4\u591a\u7684\u4fe1\u606f\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u6297\u591a\u5f84\u4f20\u64ad\u5e72\u6270\u80fd\u529b\u5f3a\uff0c\u9002\u7528\u4e8e\u79fb\u52a8\u901a\u4fe1\u7b49\u590d\u6742\u4fe1\u9053\u73af\u5883\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u9700\u8981\u8f83\u9ad8\u7684\u4fe1\u566a\u6bd4(SNR)\u4ee5\u4fdd\u8bc1\u4f20\u8f93\u8d28\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. MSK\u7684\u5e94\u7528\u9886\u57df<\/h3>\n\n\n\n<p>\u3000\u3000\u7531\u4e8e\u5176\u7279\u70b9\u548c\u4f18\u52bf\uff0cMSK\u5728\u8bb8\u591a\u901a\u4fe1\u7cfb\u7edf\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u84dd\u7259\u901a\u4fe1\uff1a\u84dd\u7259\u6280\u672f\u4e2d\u7684\u57fa\u5e26\u901a\u4fe1\u91c7\u7528\u4e86MSK\u8c03\u5236\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u65e0\u7ebf\u5c40\u57df\u7f51(WLAN)\uff1aIEEE 802.11b\/g\u6807\u51c6\u4e2d\u4f7f\u7528\u4e86MSK\u8c03\u5236\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u79fb\u52a8\u901a\u4fe1\u7cfb\u7edf\uff1aGSM\u548cEDGE\u7b49\u7cfb\u7edf\u4e2d\u4e5f\u91c7\u7528\u4e86MSK\u8c03\u5236\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u30012FSK\u8c03\u5236\u6280\u672f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. 2FSK\u8c03\u5236\u539f\u7406<\/h3>\n\n\n\n<p>\u3000\u30002FSK\u662f\u4e00\u79cd\u9891\u7387\u8fde\u7eed\u7684\u9891\u79fb\u952e\u63a7\u8c03\u5236\u6280\u672f\uff0c\u5176\u57fa\u672c\u539f\u7406\u662f\u901a\u8fc7\u6539\u53d8\u8f7d\u6ce2\u9891\u7387\u6765\u4f20\u8f93\u6570\u5b57\u4fe1\u606f\u3002\u5b83\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u6bcf\u4e2a\u6bd4\u7279\u5468\u671f\u5185\u7684\u9891\u7387\u53d8\u5316\u4e3a\u4e24\u4e2a\u56fa\u5b9a\u7684\u9891\u7387\u4e4b\u4e00\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u76f8\u90bb\u6bd4\u7279\u4e4b\u95f4\u7684\u9891\u7387\u53d8\u5316\u5dee\u5f02\u4e3a\u56fa\u5b9a\u7684\u9891\u7387\u504f\u79fb\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. 2FSK\u7684\u9891\u8c31\u7279\u6027<\/h3>\n\n\n\n<p>\u3000\u30002FSK\u7684\u9891\u8c31\u7279\u6027\u4e3b\u8981\u7531\u9891\u7387\u504f\u79fb\u91cf\u51b3\u5b9a\u3002\u9891\u7387\u504f\u79fb\u91cf\u8d8a\u5927\uff0c\u9891\u8c31\u5c55\u5bbd\u8d8a\u660e\u663e\uff0c\u6297\u5e72\u6270\u80fd\u529b\u8d8a\u5f3a\u3002\u4e0e\u5176\u4ed6\u8c03\u5236\u6280\u672f\u76f8\u6bd4\uff0c2FSK\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u9891\u8c31\u6548\u7387\u8f83\u4f4e\uff0c\u76f8\u540c\u5e26\u5bbd\u4e0b\u4f20\u8f93\u7684\u4fe1\u606f\u8f83\u5c11\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u6297\u591a\u5f84\u4f20\u64ad\u5e72\u6270\u80fd\u529b\u4e00\u822c\uff0c\u9002\u7528\u4e8e\u8f83\u4e3a\u7b80\u5355\u7684\u4fe1\u9053\u73af\u5883\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u76f8\u5bf9\u4e8eMSK\uff0c2FSK\u5bf9\u4fe1\u566a\u6bd4(SNR)\u7684\u8981\u6c42\u8f83\u4f4e\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. 2FSK\u7684\u5e94\u7528\u9886\u57df<\/h3>\n\n\n\n<p>\u3000\u30002FSK\u5728\u4ee5\u4e0b\u901a\u4fe1\u7cfb\u7edf\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u4f4e\u901f\u6570\u636e\u901a\u4fe1\uff1a\u4f8b\u5982\u9065\u63a7\u5668\u3001\u4f20\u611f\u5668\u7f51\u7edc\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u97f3\u9891\u8c03\u5236\uff1a\u8c03\u9891\u5e7f\u64ad\u4e2d\u7684\u8c03\u5236\u65b9\u5f0f\u4e4b\u4e00\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001MSK\u548c2FSK\u7684\u533a\u522b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u8c03\u5236\u65b9\u5f0f\u5dee\u5f02<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000MSK\u8c03\u5236\u662f\u76f8\u4f4d\u8fde\u7eed\u7684\u8c03\u5236\u65b9\u5f0f\uff0c\u76f8\u90bb\u6bd4\u7279\u4e4b\u95f4\u7684\u76f8\u4f4d\u53d8\u5316\u4e3a\u56fa\u5b9a\u7684\u00b190\u00b0\u3002<\/li>\n\n\n\n<li>\u3000\u30002FSK\u8c03\u5236\u662f\u9891\u7387\u8fde\u7eed\u7684\u8c03\u5236\u65b9\u5f0f\uff0c\u76f8\u90bb\u6bd4\u7279\u4e4b\u95f4\u7684\u9891\u7387\u53d8\u5316\u4e3a\u56fa\u5b9a\u7684\u9891\u7387\u504f\u79fb\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u9891\u8c31\u7279\u6027\u5dee\u5f02<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000MSK\u7684\u9891\u8c31\u6548\u7387\u8f83\u9ad8\uff0c\u80fd\u591f\u5728\u6709\u9650\u9891\u8c31\u5e26\u5bbd\u5185\u4f20\u8f93\u66f4\u591a\u7684\u4fe1\u606f\u3002<\/li>\n\n\n\n<li>\u3000\u30002FSK\u7684\u9891\u8c31\u6548\u7387\u8f83\u4f4e\uff0c\u76f8\u540c\u5e26\u5bbd\u4e0b\u4f20\u8f93\u7684\u4fe1\u606f\u8f83\u5c11\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. \u6297\u5e72\u6270\u80fd\u529b\u5dee\u5f02<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000MSK\u5bf9\u591a\u5f84\u4f20\u64ad\u5e72\u6270\u5177\u6709\u8f83\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u590d\u6742\u4fe1\u9053\u73af\u5883\u3002<\/li>\n\n\n\n<li>\u3000\u30002FSK\u5bf9\u591a\u5f84\u4f20\u64ad\u5e72\u6270\u7684\u6297\u5e72\u6270\u80fd\u529b\u4e00\u822c\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u4fe1\u9053\u73af\u5883\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004. \u4fe1\u566a\u6bd4\u8981\u6c42\u5dee\u5f02<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000MSK\u5bf9\u4fe1\u566a\u6bd4(SNR)\u8981\u6c42\u8f83\u9ad8\uff0c\u4ee5\u4fdd\u8bc1\u4f20\u8f93\u8d28\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u30002FSK\u5bf9\u4fe1\u566a\u6bd4(SNR)\u7684\u8981\u6c42\u8f83\u4f4e\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u7ed3\u8bba\uff1a<\/h2>\n\n\n\n<p>\u3000\u3000<strong>MSK\u548c2FSK\u662f\u5e38\u7528\u7684\u9891\u79fb\u952e\u63a7\u8c03\u5236\u6280\u672f\uff0c\u5b83\u4eec\u5728\u8c03\u5236\u65b9\u5f0f\u3001\u9891\u8c31\u7279\u6027\u3001\u6297\u5e72\u6270\u80fd\u529b\u548c\u4fe1\u566a\u6bd4\u8981\u6c42\u7b49\u65b9\u9762\u5b58\u5728\u660e\u663e\u5dee\u5f02\u3002\u6839\u636e\u5177\u4f53\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42<\/strong>\uff0c\u9009\u62e9\u5408\u9002\u7684\u8c03\u5236\u6280\u672f\u53ef\u4ee5\u63d0\u9ad8\u901a\u4fe1\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5de5\u7a0b\u5e08\u9700\u8981\u6839\u636e\u7cfb\u7edf\u8981\u6c42\u548c\u8d44\u6e90\u9650\u5236\uff0c\u7efc\u5408\u8003\u8651\u5404\u79cd\u56e0\u7d20\uff0c\u9009\u62e9\u5408\u9002\u7684\u8c03\u5236\u6280\u672f\u4ee5\u5b9e\u73b0\u6700\u4f73\u6548\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MSK\u548c2FSK\u662f\u5e38\u7528\u7684\u9891\u79fb\u952e\u63a7\u8c03\u5236\u6280\u672f\uff0c\u5b83\u4eec\u5728\u8c03\u5236\u65b9\u5f0f\u3001\u9891\u8c31\u7279\u6027\u3001\u6297\u5e72\u6270\u80fd\u529b\u548c\u4fe1\u566a\u6bd4\u8981\u6c42\u7b49\u65b9\u9762\u5b58\u5728\u660e\u663e\u5dee\u5f02\u3002\u6839\u636e\u5177\u4f53\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42<\/p>\n","protected":false},"author":1,"featured_media":26917,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[365],"class_list":["post-72027","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-msk"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/72027","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=72027"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/72027\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/26917"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=72027"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=72027"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=72027"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}