{"id":27855,"date":"2023-09-18T00:06:39","date_gmt":"2023-09-17T16:06:39","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=27855"},"modified":"2023-09-18T00:06:39","modified_gmt":"2023-09-17T16:06:39","slug":"zjpffyjbgnhyy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/27855.html","title":{"rendered":"\u6b63\u4ea4\u9891\u5206\u590d\u7528\uff1a\u57fa\u672c\u6982\u5ff5\u548c\u5e94\u7528"},"content":{"rendered":"<p>&emsp;&emsp;\u6b63\u4ea4\u9891\u5206\u590d\u7528\uff08Orthogonal Frequency Division Multiplexing\uff0cOFDM\uff09\u662f\u4e00\u79cd\u6280\u672f\uff0c\u7528\u4e8e\u5728\u4e00\u4e2a\u4fe1\u9053\u4e0a\u4f20\u8f93\u591a\u4e2a\u4fe1\u606f\u6d41\u3002\u5b83\u901a\u8fc7\u5c06\u4fe1\u53f7\u5206\u89e3\u6210\u591a\u4e2a\u72ec\u7acb\u7684\u5b50\u4fe1\u53f7\uff0c\u5e76\u5728\u4e0d\u540c\u7684\u9891\u7387\u4e0a\u53d1\u5c04\uff0c\u4ece\u800c\u5b9e\u73b0\u591a\u8def\u590d\u7528\u3002\u5b83\u53ef\u4ee5\u6709\u6548\u5730\u62b5\u6297\u4f20\u8f93\u4fe1\u9053\u4e2d\u7684\u591a\u5f84\u8870\u843d\uff0c\u5e76\u4e14\u53ef\u4ee5\u63d0\u9ad8\u4f20\u8f93\u6548\u7387\u3002\u56e0\u6b64\uff0cOFDM\u5df2\u7ecf\u6210\u4e3a\u5f53\u4eca\u5e7f\u6cdb\u4f7f\u7528\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u5728\u79fb\u52a8\u5bbd\u5e26\u3001\u65e0\u7ebf\u5c40\u57df\u7f51\u3001\u6570\u5b57\u7535\u89c6\u7b49\u591a\u4e2a\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u5e94\u7528\u3002\u672c\u6587\u5c06\u7b80\u8981\u4ecb\u7ecdOFDM\u7684\u57fa\u672c\u6982\u5ff5\u4ee5\u53ca\u5b83\u5728\u4e0d\u540c\u9886\u57df\u7684\u5e94\u7528\u3002<\/p>\n<h2 style=\"text-align: center;\">OFDM\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>&emsp;&emsp;OFDM\u662f\u4e00\u79cd\u57fa\u4e8e\u5206\u591a\u8def\u590d\u7528\u7684\u6280\u672f\uff0c\u5b83\u5c06\u4e00\u4e2a\u4fe1\u53f7\u5206\u89e3\u6210\u591a\u4e2a\u72ec\u7acb\u7684\u5b50\u4fe1\u53f7\uff0c\u5e76\u5728\u4e0d\u540c\u7684\u9891\u7387\u4e0a\u53d1\u5c04\uff0c\u4ece\u800c\u5b9e\u73b0\u591a\u8def\u590d\u7528\u3002\u5b83\u7684\u57fa\u672c\u539f\u7406\u662f\uff1a\u5c06\u4e00\u4e2a\u4fe1\u53f7\u5206\u89e3\u6210\u591a\u4e2a\u5b50\u4fe1\u53f7\uff0c\u6bcf\u4e2a\u5b50\u4fe1\u53f7\u90fd\u6709\u81ea\u5df1\u7684\u72ec\u7acb\u7684\u9891\u7387\uff0c\u8fd9\u4e9b\u9891\u7387\u4e4b\u95f4\u662f\u4e92\u76f8\u6b63\u4ea4\u7684\uff0c\u5373\u6bcf\u4e2a\u5b50\u4fe1\u53f7\u7684\u9891\u7387\u4e4b\u95f4\u4e0d\u4f1a\u6709\u91cd\u53e0\u3002\u8fd9\u6837\uff0c\u591a\u4e2a\u5b50\u4fe1\u53f7\u5c31\u53ef\u4ee5\u5728\u540c\u4e00\u4fe1\u9053\u4e0a\u4f20\u8f93\uff0c\u800c\u4e0d\u4f1a\u76f8\u4e92\u5e72\u6270\u3002<\/p>\n<h3 style=\"text-align: center;\">OFDM\u7684\u7279\u70b9<\/h3>\n<p>&emsp;&emsp;OFDM\u6709\u5f88\u591a\u4f18\u70b9\uff0c\u4f7f\u5b83\u6210\u4e3a\u5f53\u4eca\u5e7f\u6cdb\u4f7f\u7528\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff1a<\/p>\n<ul>\n<li>\u9ad8\u5e26\u5bbd\u6548\u7387\uff1aOFDM\u7684\u5b50\u4fe1\u53f7\u53ef\u4ee5\u5728\u540c\u4e00\u4fe1\u9053\u4e0a\u4f20\u8f93\uff0c\u4ece\u800c\u63d0\u9ad8\u4f20\u8f93\u6548\u7387\uff1b<\/li>\n<li>\u9ad8\u6297\u5e72\u6270\u80fd\u529b\uff1aOFDM\u7684\u5b50\u4fe1\u53f7\u4e4b\u95f4\u7684\u9891\u7387\u662f\u4e92\u76f8\u6b63\u4ea4\u7684\uff0c\u4e0d\u4f1a\u6709\u91cd\u53e0\uff0c\u56e0\u6b64\uff0c\u5b83\u80fd\u591f\u6709\u6548\u5730\u62b5\u6297\u4f20\u8f93\u4fe1\u9053\u4e2d\u7684\u591a\u5f84\u8870\u843d\uff1b<\/li>\n<li>\u4f4e\u590d\u6742\u5ea6\uff1aOFDM\u7684\u6280\u672f\u590d\u6742\u5ea6\u6bd4\u5176\u4ed6\u6280\u672f\u8981\u4f4e\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7528\u7b80\u5355\u7684\u786c\u4ef6\u5b9e\u73b0\uff1b<\/li>\n<li>\u7075\u6d3b\u6027\uff1aOFDM\u53ef\u4ee5\u8c03\u6574\u4fe1\u53f7\u7684\u6bd4\u7279\u7387\uff0c\u4ece\u800c\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 style=\"text-align: center;\">OFDM\u7684\u5e94\u7528<\/h2>\n<p>&emsp;&emsp;OFDM\u5df2\u7ecf\u6210\u4e3a\u5f53\u4eca\u5e7f\u6cdb\u4f7f\u7528\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u5b83\u5728\u591a\u4e2a\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\uff1a<\/p>\n<h3 style=\"text-align: center;\">\u79fb\u52a8\u5bbd\u5e26<\/h3>\n<p>&emsp;&emsp;OFDM\u6280\u672f\u5728\u79fb\u52a8\u5bbd\u5e26\u9886\u57df\u7684\u5e94\u7528\u6700\u4e3a\u5e7f\u6cdb\uff0c\u5b83\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u901f\u7684\u5bbd\u5e26\u6570\u636e\u4f20\u8f93\uff0c\u6ee1\u8db3\u7528\u6237\u7684\u9ad8\u901f\u4e0a\u7f51\u9700\u6c42\u3002\u76ee\u524d\uff0cOFDM\u6280\u672f\u5df2\u7ecf\u5e94\u7528\u4e8e\u8bb8\u591a\u79fb\u52a8\u5bbd\u5e26\u7cfb\u7edf\uff0c\u5982LTE\u3001WiMAX\u7b49\u3002<\/p>\n<h3 style=\"text-align: center;\">\u65e0\u7ebf\u5c40\u57df\u7f51<\/h3>\n<p>&emsp;&emsp;OFDM\u6280\u672f\u4e5f\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u65e0\u7ebf\u5c40\u57df\u7f51\u9886\u57df\uff0c\u5982IEEE 802.11a\/g\/n\/ac\u7b49\u3002\u5b83\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u901f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\uff0c\u6ee1\u8db3\u7528\u6237\u7684\u591a\u5a92\u4f53\u4f20\u8f93\u9700\u6c42\u3002<\/p>\n<h3 style=\"text-align: center;\">\u6570\u5b57\u7535\u89c6<\/h3>\n<p>&emsp;&emsp;OFDM\u6280\u672f\u4e5f\u88ab\u5e94\u7528\u4e8e\u6570\u5b57\u7535\u89c6\u9886\u57df\uff0c\u5982DVB-T\/H\/S\/C\u7b49\u3002\u5b83\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u8d28\u91cf\u7684\u6570\u5b57\u7535\u89c6\u670d\u52a1\uff0c\u6ee1\u8db3\u7528\u6237\u7684\u591a\u5a92\u4f53\u64ad\u653e\u9700\u6c42\u3002<\/p>\n<h2 style=\"text-align: center;\">\u603b\u7ed3<\/h2>\n<p>&emsp;&emsp;<strong>OFDM\u662f\u4e00\u79cd\u57fa\u4e8e\u5206\u591a\u8def\u590d\u7528\u7684\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u6709\u6548\u5730\u62b5\u6297\u4f20\u8f93\u4fe1\u9053\u4e2d\u7684\u591a\u5f84\u8870\u843d\uff0c\u5e76\u4e14\u53ef\u4ee5\u63d0\u9ad8\u4f20\u8f93\u6548\u7387\u3002<\/strong>\u5b83\u5df2\u7ecf\u6210\u4e3a\u5f53\u4eca\u5e7f\u6cdb\u4f7f\u7528\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u5728\u79fb\u52a8\u5bbd\u5e26\u3001\u65e0\u7ebf\u5c40\u57df\u7f51\u3001\u6570\u5b57\u7535\u89c6\u7b49\u591a\u4e2a\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6b63\u4ea4\u9891\u5206\u590d\u7528\uff08Orthogonal Frequency Division Multiplexing\uff0cOFDM\uff09\u662f\u4e00\u79cd\u6280\u672f\uff0c\u7528\u4e8e\u5728\u4e00\u4e2a\u4fe1\u9053\u4e0a\u4f20\u8f93\u591a\u4e2a\u4fe1\u606f\u6d41\u3002\u5b83\u901a\u8fc7\u5c06\u4fe1\u53f7\u5206\u89e3<\/p>\n","protected":false},"author":1,"featured_media":3671,"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":[52],"class_list":["post-27855","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-wxtx"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/27855","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=27855"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/27855\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=27855"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=27855"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=27855"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}