{"id":6104,"date":"2023-07-11T12:32:29","date_gmt":"2023-07-11T04:32:29","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=6104"},"modified":"2023-11-14T15:24:07","modified_gmt":"2023-11-14T07:24:07","slug":"owsmfjbd","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/6104.html","title":{"rendered":"ofdm\u4e3a\u4ec0\u4e48\u5cf0\u5747\u6bd4\u5927"},"content":{"rendered":"\n

\u3000\u3000OFDM\u6280\u672f\u662f\u4e00\u79cd\u5e7f\u6cdb\u5e94\u7528\u4e8e\u73b0\u4ee3\u901a\u4fe1\u9886\u57df\u7684\u6570\u5b57\u8c03\u5236\u6280\u672f\u3002\u5b83\u5177\u6709\u8bb8\u591a\u4f18\u70b9\uff0c\u5982\u9ad8\u901f\u7387\u3001\u6297\u591a\u5f84\u8870\u843d\u7b49\uff0c\u4f46\u540c\u65f6\u4e5f\u5b58\u5728\u4e00\u4e9b\u7f3a\u70b9\uff0c\u5982\u5cf0\u5747\u6bd4\u8fc7\u5927\u7b49\u95ee\u9898\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdOFDM\u6280\u672f\u7684\u5cf0\u5747\u6bd4\u95ee\u9898\uff0c\u63a2\u8ba8\u5176\u539f\u56e0\u4ee5\u53ca\u89e3\u51b3\u65b9\u6cd5\u3002<\/p>\n\n\n\n

\u3000\u30001. OFDM\u6280\u672f\u7b80\u4ecb<\/h2>\n\n\n\n

\u3000\u3000OFDM\u6280\u672f(Orthogonal Frequency Division Multiplexing)\u662f\u4e00\u79cd\u591a\u8f7d\u6ce2\u8c03\u5236\u6280\u672f\uff0c\u53ef\u4ee5\u5c06\u9ad8\u901f\u6570\u636e\u6d41\u5206\u6210\u591a\u4e2a\u4f4e\u901f\u6570\u636e\u6d41\u8fdb\u884c\u4f20\u8f93\uff0c\u6bcf\u4e2a\u4f4e\u901f\u6570\u636e\u6d41\u5bf9\u5e94\u4e00\u4e2a\u5b50\u8f7d\u6ce2\u3002OFDM\u6280\u672f\u901a\u8fc7\u5c06\u5b50\u8f7d\u6ce2\u6309\u7167\u6b63\u4ea4\u7684\u65b9\u5f0f\u6392\u5217\uff0c\u4f7f\u5404\u4e2a\u5b50\u8f7d\u6ce2\u4e4b\u95f4\u76f8\u4e92\u72ec\u7acb\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4fe1\u9053\u5229\u7528\u7387\u548c\u6297\u591a\u5f84\u8870\u843d\u7684\u80fd\u529b\u3002OFDM\u6280\u672f\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6570\u5b57\u7535\u89c6\u3001\u6570\u5b57\u97f3\u9891\u3001\u65e0\u7ebf\u901a\u4fe1\u7b49\u9886\u57df\u3002<\/p>\n\n\n\n

\u3000\u30002. OFDM\u6280\u672f\u7684\u5cf0\u5747\u6bd4\u95ee\u9898<\/h2>\n\n\n\n

\u3000\u3000\u5cf0\u5747\u6bd4\u662f\u6307\u4fe1\u53f7\u7684\u6700\u9ad8\u5cf0\u503c\u4e0e\u5e73\u5747\u503c\u4e4b\u6bd4\uff0c\u901a\u5e38\u7528dB\u8868\u793a\u3002OFDM\u6280\u672f\u7684\u5cf0\u5747\u6bd4\u95ee\u9898\u662f\u6307OFDM\u4fe1\u53f7\u7684\u5cf0\u503c\u5f88\u9ad8\uff0c\u800c\u5e73\u5747\u503c\u5f88\u4f4e\uff0c\u5bfc\u81f4\u4fe1\u53f7\u7684\u52a8\u6001\u8303\u56f4\u8f83\u5927\uff0c\u5bb9\u6613\u4ea7\u751f\u5931\u771f\u548c\u5e72\u6270\u3002OFDM\u6280\u672f\u7684\u5cf0\u5747\u6bd4\u95ee\u9898\u662f\u7531\u4e8eOFDM\u4fe1\u53f7\u7684\u8c03\u5236\u65b9\u5f0f\u548c\u4fe1\u53f7\u7684\u7ed3\u6784\u7279\u6027\u9020\u6210\u7684\u3002<\/p>\n\n\n\n

\u3000\u30003. OFDM\u4fe1\u53f7\u7684\u8c03\u5236\u65b9\u5f0f\u9020\u6210\u7684\u5cf0\u5747\u6bd4\u95ee\u9898<\/h2>\n\n\n\n

\u3000\u3000OFDM\u4fe1\u53f7\u7684\u8c03\u5236\u65b9\u5f0f\u662f\u5c06\u6570\u636e\u6d41\u5206\u6210\u591a\u4e2a\u4f4e\u901f\u6570\u636e\u6d41\uff0c\u6bcf\u4e2a\u4f4e\u901f\u6570\u636e\u6d41\u5bf9\u5e94\u4e00\u4e2a\u5b50\u8f7d\u6ce2\u3002\u6bcf\u4e2a\u5b50\u8f7d\u6ce2\u90fd\u662f\u7528\u6b63\u5f26\u51fd\u6570\u8c03\u5236\u6210\u4e00\u4e2a\u72ec\u7acb\u7684\u4fe1\u53f7\uff0c\u7136\u540e\u5c06\u6240\u6709\u5b50\u8f7d\u6ce2\u53e0\u52a0\u5728\u4e00\u8d77\u5f62\u6210OFDM\u4fe1\u53f7\u3002\u7531\u4e8e\u6b63\u5f26\u51fd\u6570\u5177\u6709\u5468\u671f\u6027\uff0c\u56e0\u6b64\u5f53\u591a\u4e2a\u6b63\u5f26\u51fd\u6570\u53e0\u52a0\u5728\u4e00\u8d77\u65f6\uff0c\u4f1a\u5f62\u6210\u4e00\u4e2a\u6ce2\u5f62\u590d\u6742\u7684\u4fe1\u53f7\u3002\u8fd9\u4e2a\u4fe1\u53f7\u7684\u5cf0\u503c\u5f88\u9ad8\uff0c\u5e73\u5747\u503c\u5f88\u4f4e\uff0c\u4ece\u800c\u5bfc\u81f4OFDM\u4fe1\u53f7\u7684\u5cf0\u5747\u6bd4\u8f83\u5927\u3002<\/p>\n\n\n\n

\u3000\u30004. OFDM\u4fe1\u53f7\u7684\u7ed3\u6784\u7279\u6027\u9020\u6210\u7684\u5cf0\u5747\u6bd4\u95ee\u9898<\/h2>\n\n\n\n

\u3000\u3000OFDM\u4fe1\u53f7\u7684\u7ed3\u6784\u7279\u6027\u4e5f\u662f\u5bfc\u81f4\u5cf0\u5747\u6bd4\u95ee\u9898\u7684\u539f\u56e0\u4e4b\u4e00\u3002OFDM\u4fe1\u53f7\u7684\u7ed3\u6784\u7279\u6027\u662f\u5c06\u6570\u636e\u6d41\u5206\u6210\u591a\u4e2a\u4f4e\u901f\u6570\u636e\u6d41\uff0c\u6bcf\u4e2a\u4f4e\u901f\u6570\u636e\u6d41\u5bf9\u5e94\u4e00\u4e2a\u5b50\u8f7d\u6ce2\u3002\u6bcf\u4e2a\u5b50\u8f7d\u6ce2\u90fd\u662f\u7528\u6b63\u5f26\u51fd\u6570\u8c03\u5236\u6210\u4e00\u4e2a\u72ec\u7acb\u7684\u4fe1\u53f7\uff0c\u7136\u540e\u5c06\u6240\u6709\u5b50\u8f7d\u6ce2\u53e0\u52a0\u5728\u4e00\u8d77\u5f62\u6210OFDM\u4fe1\u53f7\u3002\u7531\u4e8e\u5b50\u8f7d\u6ce2\u4e4b\u95f4\u662f\u6b63\u4ea4\u7684\uff0c\u56e0\u6b64OFDM\u4fe1\u53f7\u7684\u9891\u8c31\u5f88\u5bbd\u3002\u9891\u8c31\u5bbd\u5ea6\u8d8a\u5bbd\uff0c\u5cf0\u5747\u6bd4\u8d8a\u5927\u3002<\/p>\n\n\n\n

\u3000\u30005. \u89e3\u51b3OFDM\u6280\u672f\u5cf0\u5747\u6bd4\u95ee\u9898\u7684\u65b9\u6cd5<\/h2>\n\n\n\n

\u3000\u3000\u89e3\u51b3OFDM\u6280\u672f\u5cf0\u5747\u6bd4\u95ee\u9898\u7684\u65b9\u6cd5\u6709\u5f88\u591a\u79cd\u3002\u4e00\u79cd\u65b9\u6cd5\u662f\u901a\u8fc7\u4fe1\u53f7\u9650\u5e45\u5668\u6765\u9650\u5236\u4fe1\u53f7\u7684\u5cf0\u503c\uff0c\u4ece\u800c\u964d\u4f4e\u5cf0\u5747\u6bd4\u3002\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u91c7\u7528\u5cf0\u5747\u6bd4\u63a7\u5236\u6280\u672f\uff0c\u901a\u8fc7\u52a8\u6001\u8c03\u6574\u4fe1\u53f7\u7684\u529f\u7387\u6765\u63a7\u5236\u5cf0\u5747\u6bd4\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u6539\u53d8\u8c03\u5236\u65b9\u5f0f\u3001\u589e\u52a0\u4fdd\u62a4\u95f4\u9694\u7b49\u65b9\u6cd5\u6765\u964d\u4f4e\u5cf0\u5747\u6bd4\u3002<\/p>\n\n\n\n

\u3000\u3000\u7ed3\u8bba\uff1a<\/h2>\n\n\n\n

\u3000\u3000OFDM\u6280\u672f\u7684\u5cf0\u5747\u6bd4\u95ee\u9898\u662f\u7531OFDM\u4fe1\u53f7\u7684\u8c03\u5236\u65b9\u5f0f\u548c\u7ed3\u6784\u7279\u6027\u9020\u6210\u7684\u3002\u89e3\u51b3OFDM\u6280\u672f\u5cf0\u5747\u6bd4\u95ee\u9898\u7684\u65b9\u6cd5\u6709\u5f88\u591a\u79cd\uff0c\u4f46\u662f\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u6700\u5408\u9002\u7684\u65b9\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

OFDM\u6280\u672f\u662f\u4e00\u79cd\u5e7f\u6cdb\u5e94\u7528\u4e8e\u73b0\u4ee3\u901a\u4fe1\u9886\u57df\u7684\u6570\u5b57\u8c03\u5236\u6280\u672f\u3002\u5b83\u5177\u6709\u8bb8\u591a\u4f18\u70b9\uff0c\u5982\u9ad8\u901f\u7387\u3001\u6297\u591a\u5f84\u8870\u843d\u7b49\uff0c\u4f46\u540c\u65f6\u4e5f\u5b58\u5728\u4e00\u4e9b\u7f3a\u70b9\uff0c\u5982\u5cf0\u5747\u6bd4\u8fc7\u5927\u7b49\u95ee\u9898\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdOFDM\u6280\u672f\u7684\u5cf0\u5747\u6bd4\u95ee\u9898<\/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":[346,45],"class_list":["post-6104","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-ofdm","tag-txxt"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/6104"}],"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=6104"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/6104\/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=6104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=6104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=6104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}