{"id":89395,"date":"2024-03-12T11:13:49","date_gmt":"2024-03-12T03:13:49","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=89395"},"modified":"2024-03-12T11:13:52","modified_gmt":"2024-03-12T03:13:52","slug":"bzxhpljsgs","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/89395.html","title":{"rendered":"\u672c\u632f\u4fe1\u53f7\u9891\u7387\u8ba1\u7b97\u516c\u5f0f"},"content":{"rendered":"\n

\u3000\u3000\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\uff0c\u672c\u632f\u4fe1\u53f7\u662f\u4e00\u79cd\u7528\u4e8e\u4ea7\u751f\u9891\u7387\u7a33\u5b9a\u7684\u4fe1\u53f7\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u672c\u632f\u4fe1\u53f7\u7684\u9891\u7387\u8ba1\u7b97\u662f\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u8bbe\u8ba1\u548c\u5de5\u7a0b\u4e2d\u7684\u5173\u952e\u4efb\u52a1\u4e4b\u4e00\u3002\u672c\u6587\u5c06\u79d1\u666e\u672c\u632f\u4fe1\u53f7\u9891\u7387\u8ba1\u7b97\u7684\u516c\u5f0f\u548c\u76f8\u5173\u6982\u5ff5\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u4e8e\u5b9e\u9645\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 \u4ec0\u4e48\u662f\u672c\u632f\u4fe1\u53f7?<\/h2>\n\n\n\n

\u3000\u3000\u672c\u632f\u4fe1\u53f7(Local Oscillator Signal)\u662f\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u4e00\u79cd\u57fa\u51c6\u4fe1\u53f7\uff0c\u7528\u4e8e\u4ea7\u751f\u7279\u5b9a\u9891\u7387\u7684\u65e0\u7ebf\u8f7d\u6ce2\u4fe1\u53f7\u3002\u5b83\u901a\u5e38\u7531\u672c\u632f\u632f\u8361\u5668\u4ea7\u751f\uff0c\u5176\u9891\u7387\u5fc5\u987b\u4e0e\u63a5\u6536\u6216\u53d1\u9001\u4fe1\u53f7\u7684\u4e2d\u5fc3\u9891\u7387\u76f8\u5339\u914d\u3002<\/strong><\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 \u672c\u632f\u4fe1\u53f7\u9891\u7387\u8ba1\u7b97\u516c\u5f0f<\/h2>\n\n\n\n

\u3000\u3000\u672c\u632f\u4fe1\u53f7\u7684\u9891\u7387\u8ba1\u7b97\u6d89\u53ca\u5230\u4fe1\u53f7\u7684\u4e2d\u5fc3\u9891\u7387\u3001\u504f\u79fb\u9891\u7387\u548c\u672c\u632f\u4fe1\u53f7\u7684\u8f93\u51fa\u9891\u7387\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u4ee5\u4e0b\u662f\u5e38\u7528\u7684\u672c\u632f\u4fe1\u53f7\u9891\u7387\u8ba1\u7b97\u516c\u5f0f\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u5bf9\u4e8e\u63a5\u6536\u5668\uff08Downconversion\uff09\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u672c\u632f\u4fe1\u53f7\u9891\u7387 = \u63a5\u6536\u4fe1\u53f7\u4e2d\u5fc3\u9891\u7387 – \u63a5\u6536\u4fe1\u53f7\u504f\u79fb\u9891\u7387<\/strong><\/p>\n\n\n\n

\u3000\u30002. \u5bf9\u4e8e\u53d1\u5c04\u5668\uff08Upconversion\uff09\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u672c\u632f\u4fe1\u53f7\u9891\u7387 = \u53d1\u5c04\u4fe1\u53f7\u4e2d\u5fc3\u9891\u7387 + \u53d1\u5c04\u4fe1\u53f7\u504f\u79fb\u9891\u7387<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5176\u4e2d\uff0c\u4e2d\u5fc3\u9891\u7387\u662f\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\u6240\u9700\u7684\u76ee\u6807\u9891\u7387\uff0c\u504f\u79fb\u9891\u7387\u662f\u4e3a\u4e86\u5b9e\u73b0\u8c03\u5236\u548c\u89e3\u8c03\u7b49\u4fe1\u53f7\u5904\u7406\u64cd\u4f5c\u800c\u6dfb\u52a0\u5230\u4e2d\u5fc3\u9891\u7387\u4e0a\u7684\u9891\u7387\u504f\u79fb\u91cf\u3002\u901a\u8fc7\u4f7f\u7528\u9002\u5f53\u7684\u504f\u79fb\u9891\u7387\uff0c\u53ef\u4ee5\u5c06\u57fa\u5e26\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6240\u9700\u7684\u5c04\u9891\u4fe1\u53f7\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 \u793a\u4f8b\u5e94\u7528<\/h2>\n\n\n\n

\u3000\u3000\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\uff0c\u8981\u5c06\u4e2d\u5fc3\u9891\u7387\u4e3a2.4 GHz\u7684\u57fa\u5e26\u4fe1\u53f7\u8fdb\u884c\u4e0b\u53d8\u9891(Downconversion)\u64cd\u4f5c\uff0c\u504f\u79fb\u9891\u7387\u4e3a100 MHz\u3002\u90a3\u4e48\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u672c\u632f\u4fe1\u53f7\u9891\u7387\u8ba1\u7b97\u516c\u5f0f\u6765\u786e\u5b9a\u672c\u632f\u4fe1\u53f7\u7684\u9891\u7387\uff1a<\/p>\n\n\n\n

\u3000\u3000\u672c\u632f\u4fe1\u53f7\u9891\u7387 = 2.4 GHz – 100 MHz = 2.3 GHz<\/strong><\/p>\n\n\n\n

\u3000\u3000\u56e0\u6b64\uff0c\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u8bbe\u7f6e\u672c\u632f\u4fe1\u53f7\u7684\u9891\u7387\u4e3a2.3 GHz\uff0c\u4ee5\u5b9e\u73b0\u6240\u9700\u7684\u4e0b\u53d8\u9891\u64cd\u4f5c\u3002<\/p>\n\n\n\n

\u3000\u3000\u603b\u7ed3<\/h2>\n\n\n\n

\u3000\u3000\u672c\u632f\u4fe1\u53f7\u7684\u9891\u7387\u8ba1\u7b97\u662f\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u8bbe\u8ba1\u4e2d\u7684\u91cd\u8981\u73af\u8282\u3002\u901a\u8fc7\u4f7f\u7528\u9002\u5f53\u7684\u672c\u632f\u4fe1\u53f7\u9891\u7387\u8ba1\u7b97\u516c\u5f0f\uff0c\u53ef\u4ee5\u786e\u5b9a\u672c\u632f\u4fe1\u53f7\u7684\u8f93\u51fa\u9891\u7387\uff0c\u4ece\u800c\u5b9e\u73b0\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u7684\u6b63\u5e38\u5de5\u4f5c\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u5177\u4f53\u7684\u901a\u4fe1\u9700\u6c42\u548c\u4fe1\u53f7\u5904\u7406\u64cd\u4f5c\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u8c03\u6574\u672c\u632f\u4fe1\u53f7\u7684\u9891\u7387\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u65e0\u7ebf\u901a\u4fe1\u573a\u666f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u672c\u632f\u4fe1\u53f7(Local Oscillator Signal)\u662f\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u4e00\u79cd\u57fa\u51c6\u4fe1\u53f7\uff0c\u7528\u4e8e\u4ea7\u751f\u7279\u5b9a\u9891\u7387\u7684\u65e0\u7ebf\u8f7d\u6ce2\u4fe1\u53f7\u3002\u5b83\u901a\u5e38\u7531\u672c\u632f\u632f\u8361\u5668\u4ea7\u751f\uff0c\u5176\u9891\u7387\u5fc5\u987b\u4e0e\u63a5\u6536\u6216\u53d1\u9001\u4fe1\u53f7\u7684\u4e2d\u5fc3\u9891\u7387\u76f8\u5339\u914d\u3002<\/p>\n","protected":false},"author":1,"featured_media":65264,"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":[382],"class_list":["post-89395","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-oscillator"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/89395"}],"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=89395"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/89395\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/65264"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=89395"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=89395"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=89395"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}