{"id":64734,"date":"2023-11-07T10:18:34","date_gmt":"2023-11-07T02:18:34","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=64734"},"modified":"2023-11-07T10:18:47","modified_gmt":"2023-11-07T02:18:47","slug":"qtzjtyljsxff-2","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/64734.html","title":{"rendered":"QPSK\u8c03\u5236\u89e3\u8c03\u539f\u7406\u53ca\u5b9e\u73b0\u65b9\u6cd5"},"content":{"rendered":"\n

\u3000\u3000QPSK<\/strong>(Quadrature Phase Shift Keying)\u662f\u4e00\u79cd\u5e38\u7528\u7684\u6570\u5b57\u8c03\u5236\u6280\u672f\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u65e0\u7ebf\u901a\u4fe1\u548c\u6570\u5b57\u901a\u4fe1\u9886\u57df\u3002\u672c\u6587\u5c06\u4ecb\u7ecdQPSK\u8c03\u5236\u89e3\u8c03\u7684\u539f\u7406\u53ca\u5b9e\u73b0\u65b9\u6cd5\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e00\u8c03\u5236\u6280\u672f\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001QPSK\u8c03\u5236\u539f\u7406<\/h2>\n\n\n\n

\u3000\u3000QPSK\u8c03\u5236\u662f\u4e00\u79cd\u57fa\u4e8e\u76f8\u4f4d\u7684\u8c03\u5236\u6280\u672f\uff0c\u901a\u8fc7\u6539\u53d8\u4fe1\u53f7\u7684\u76f8\u4f4d\u6765\u8868\u793a\u6570\u5b57\u4fe1\u606f\u3002\u5728QPSK\u8c03\u5236\u4e2d\uff0c\u5c06\u6570\u5b57\u6bd4\u7279\u6d41\u5206\u4e3a\u4e24\u4e2a\u5e76\u884c\u7684\u4fe1\u53f7\u5206\u652f\uff0c\u5206\u522b\u79f0\u4e3aI\u8def\u548cQ\u8def\u3002<\/strong>\u6bcf\u4e2a\u6bd4\u7279\u6d41\u88ab\u7f16\u7801\u4e3a\u4e00\u4e2a\u7279\u5b9a\u7684\u76f8\u4f4d\uff0c\u5171\u6709\u56db\u79cd\u53ef\u80fd\u7684\u76f8\u4f4d\u72b6\u6001\u3002QPSK\u8c03\u5236\u5c06\u8fd9\u56db\u79cd\u76f8\u4f4d\u72b6\u6001\u6620\u5c04\u5230\u4e00\u4e2a\u590d\u5e73\u9762\u4e0a\u7684\u56db\u4e2a\u70b9\uff0c\u5206\u522b\u4e3a00\u300101\u300110\u548c11.\u901a\u8fc7\u6539\u53d8\u76f8\u4f4d\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e0d\u540c\u7684\u6570\u5b57\u4fe1\u606f\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001QPSK\u89e3\u8c03\u539f\u7406<\/h2>\n\n\n\n

\u3000\u3000QPSK\u89e3\u8c03\u662f\u5c06\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u8fd8\u539f\u4e3a\u539f\u59cb\u7684\u6570\u5b57\u4fe1\u606f\u3002\u89e3\u8c03\u8fc7\u7a0b\u4e0e\u8c03\u5236\u8fc7\u7a0b\u76f8\u53cd\uff0c\u901a\u8fc7\u68c0\u6d4b\u63a5\u6536\u4fe1\u53f7\u7684\u76f8\u4f4d\u6765\u786e\u5b9a\u6570\u5b57\u6bd4\u7279\u6d41\u7684\u72b6\u6001\u3002<\/p>\n\n\n\n

\u3000\u3000QPSK\u89e3\u8c03\u7684\u57fa\u672c\u539f\u7406\u662f\u4f7f\u7528\u4e00\u4e2a\u76f8\u4f4d\u9501\u5b9a\u73af\u8def(PLL)\u6765\u8ddf\u8e2a\u63a5\u6536\u4fe1\u53f7\u7684\u76f8\u4f4d\u3002PLL\u4f1a\u6839\u636e\u63a5\u6536\u4fe1\u53f7\u7684\u76f8\u4f4d\u8bef\u5dee\u6765\u8c03\u6574\u672c\u5730\u632f\u8361\u5668\u7684\u76f8\u4f4d\uff0c\u4ee5\u5b9e\u73b0\u76f8\u4f4d\u540c\u6b65\u3002\u7136\u540e\uff0c\u901a\u8fc7\u5bf9\u63a5\u6536\u4fe1\u53f7\u8fdb\u884c\u91c7\u6837\u5e76\u5c06\u5176\u6620\u5c04\u5230\u76f8\u5e94\u7684\u6570\u5b57\u6bd4\u7279\u6d41\uff0c\u5c31\u53ef\u4ee5\u5f97\u5230\u89e3\u8c03\u540e\u7684\u6570\u5b57\u4fe1\u606f\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001QPSK\u8c03\u5236\u89e3\u8c03\u5b9e\u73b0\u65b9\u6cd5<\/h2>\n\n\n\n

\u3000\u30001. \u6570\u5b57\u4fe1\u53f7\u5904\u7406\u5668(DSP)\u5b9e\u73b0<\/strong>\uff1a\u4f7f\u7528DSP\u82af\u7247\u53ef\u4ee5\u5b9e\u73b0QPSK\u8c03\u5236\u89e3\u8c03\u529f\u80fd\u3002DSP\u82af\u7247\u5177\u6709\u5f3a\u5927\u7684\u8ba1\u7b97\u548c\u5904\u7406\u80fd\u529b\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u3001\u9ad8\u7cbe\u5ea6\u7684\u4fe1\u53f7\u5904\u7406\u3002\u901a\u8fc7\u7f16\u7a0b\u63a7\u5236DSP\u82af\u7247\u7684\u8f93\u5165\u8f93\u51fa\u63a5\u53e3\uff0c\u53ef\u4ee5\u5b9e\u73b0QPSK\u8c03\u5236\u89e3\u8c03\u7684\u5404\u79cd\u529f\u80fd\u3002<\/p>\n\n\n\n

\u3000\u30002. \u8f6f\u4ef6\u5b9a\u4e49\u65e0\u7ebf\u7535(SDR)\u5b9e\u73b0<\/strong>\uff1aSDR\u662f\u4e00\u79cd\u57fa\u4e8e\u8f6f\u4ef6\u7684\u65e0\u7ebf\u7535\u901a\u4fe1\u6280\u672f\uff0c\u53ef\u4ee5\u901a\u8fc7\u8f6f\u4ef6\u914d\u7f6e\u548c\u63a7\u5236\u5b9e\u73b0\u4e0d\u540c\u8c03\u5236\u65b9\u5f0f\u7684\u8c03\u5236\u89e3\u8c03\u3002\u901a\u8fc7\u4f7f\u7528SDR\u5e73\u53f0\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0QPSK\u8c03\u5236\u89e3\u8c03\uff0c\u5e76\u6839\u636e\u9700\u8981\u8fdb\u884c\u53c2\u6570\u914d\u7f6e\u548c\u8c03\u6574\u3002<\/p>\n\n\n\n

\u3000\u30003. \u786c\u4ef6\u7535\u8def\u5b9e\u73b0<\/strong>\uff1aQPSK\u8c03\u5236\u89e3\u8c03\u4e5f\u53ef\u4ee5\u901a\u8fc7\u786c\u4ef6\u7535\u8def\u6765\u5b9e\u73b0\u3002\u5e38\u7528\u7684\u5b9e\u73b0\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u6a21\u62df\u7535\u8def\u3001\u6570\u5b57\u7535\u8def\u6216FPGA(Field Programmable Gate Array)\u7b49\u3002\u901a\u8fc7\u8bbe\u8ba1\u548c\u642d\u5efa\u76f8\u5e94\u7684\u7535\u8def\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u6548\u3001\u7a33\u5b9a\u7684QPSK\u8c03\u5236\u89e3\u8c03\u529f\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001QPSK\u8c03\u5236\u89e3\u8c03\u7684\u5e94\u7528<\/h2>\n\n\n\n

\u3000\u3000QPSK\u8c03\u5236\u89e3\u8c03\u6280\u672f\u5728\u65e0\u7ebf\u901a\u4fe1\u548c\u6570\u5b57\u901a\u4fe1\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u30001. \u65e0\u7ebf\u5c40\u57df\u7f51(WLAN)\uff1aQPSK\u8c03\u5236\u89e3\u8c03\u88ab\u7528\u4e8eWLAN\u4e2d\u7684\u7269\u7406\u5c42\u901a\u4fe1\uff0c\u5b9e\u73b0\u9ad8\u901f\u3001\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n\n
  • \u3000\u30002. \u536b\u661f\u901a\u4fe1\uff1aQPSK\u8c03\u5236\u89e3\u8c03\u5728\u536b\u661f\u901a\u4fe1\u4e2d\u88ab\u5e7f\u6cdb\u5e94\u7528\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\u548c\u5e7f\u64ad\u670d\u52a1\u3002<\/li>\n\n\n\n
  • \u3000\u30003. \u79fb\u52a8\u901a\u4fe1\uff1aQPSK\u8c03\u5236\u89e3\u8c03\u5728\u79fb\u52a8\u901a\u4fe1\u6807\u51c6\u4e2d\u88ab\u4f7f\u7528\uff0c\u4f8b\u5982GSM\u3001CDMA\u7b49\uff0c\u5b9e\u73b0\u79fb\u52a8\u7535\u8bdd\u548c\u79fb\u52a8\u6570\u636e\u7684\u4f20\u8f93\u3002<\/li>\n<\/ul>\n\n\n\n

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

    \u3000\u3000QPSK\u8c03\u5236\u89e3\u8c03\u662f\u4e00\u79cd\u5e38\u7528\u7684\u6570\u5b57\u8c03\u5236\u6280\u672f\uff0c\u901a\u8fc7\u6539\u53d8\u4fe1\u53f7\u7684\u76f8\u4f4d\u6765\u8868\u793a\u6570\u5b57\u4fe1\u606f\u3002\u901a\u8fc7QPSK\u8c03\u5236\u89e3\u8c03\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u6548\u3001\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u3002<\/strong>\u901a\u8fc7DSP\u3001SDR\u6216\u786c\u4ef6\u7535\u8def\u7b49\u4e0d\u540c\u7684\u5b9e\u73b0\u65b9\u6cd5\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0QPSK\u8c03\u5236\u89e3\u8c03\u529f\u80fd\u3002QPSK\u8c03\u5236\u89e3\u8c03\u6280\u672f\u5728\u65e0\u7ebf\u901a\u4fe1\u548c\u6570\u5b57\u901a\u4fe1\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5bf9\u4e8e\u73b0\u4ee3\u901a\u4fe1\u6280\u672f\u7684\u53d1\u5c55\u8d77\u5230\u4e86\u91cd\u8981\u7684\u4f5c\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    QPSK\u8c03\u5236\u662f\u4e00\u79cd\u57fa\u4e8e\u76f8\u4f4d\u7684\u8c03\u5236\u6280\u672f\uff0c\u901a\u8fc7\u6539\u53d8\u4fe1\u53f7\u7684\u76f8\u4f4d\u6765\u8868\u793a\u6570\u5b57\u4fe1\u606f\u3002\u5728QPSK\u8c03\u5236\u4e2d\uff0c\u5c06\u6570\u5b57\u6bd4\u7279\u6d41\u5206\u4e3a\u4e24\u4e2a\u5e76\u884c\u7684\u4fe1\u53f7\u5206\u652f\uff0c\u5206\u522b\u79f0\u4e3aI\u8def\u548cQ\u8def\u3002<\/p>\n","protected":false},"author":1,"featured_media":26938,"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":[270],"class_list":["post-64734","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-qpsk"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/64734","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=64734"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/64734\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/26938"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=64734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=64734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=64734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}