{"id":70637,"date":"2023-12-18T10:43:01","date_gmt":"2023-12-18T02:43:01","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=70637"},"modified":"2023-12-18T10:43:05","modified_gmt":"2023-12-18T02:43:05","slug":"zydkjddyssm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/70637.html","title":{"rendered":"\u589e\u76ca\u5e26\u5bbd\u79ef\u7684\u5b9a\u4e49\u662f\u4ec0\u4e48"},"content":{"rendered":"\n

\u3000\u3000\u5728\u7535\u5b50\u9886\u57df\u4e2d\uff0c\u589e\u76ca\u5e26\u5bbd\u79ef\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u7535\u5b50\u8bbe\u5907\u548c\u7535\u8def\u7684\u8bbe\u8ba1\u4e0e\u5206\u6790\u4e2d\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u589e\u76ca\u5e26\u5bbd\u79ef\u7684\u5b9a\u4e49\u53ca\u5176\u5728\u7535\u5b50\u9886\u57df\u4e2d\u7684\u5e94\u7528\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e00\u6982\u5ff5\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001\u4ec0\u4e48\u662f\u589e\u76ca\u5e26\u5bbd\u79ef?<\/h2>\n\n\n\n

\u3000\u3000\u589e\u76ca\u5e26\u5bbd\u79ef(Gain-Bandwidth Product\uff0c\u7b80\u79f0GBW)\u662f\u6307\u653e\u5927\u5668\u7684\u589e\u76ca\u4e0e\u5176\u5e26\u5bbd\u4e4b\u95f4\u7684\u4e58\u79ef\u3002\u5728\u653e\u5927\u5668\u8bbe\u8ba1\u4e2d\uff0c\u589e\u76ca\u548c\u5e26\u5bbd\u662f\u4e24\u4e2a\u91cd\u8981\u7684\u6027\u80fd\u6307\u6807\uff0c\u589e\u76ca\u5e26\u5bbd\u79ef\u5219\u8868\u793a\u4e86\u653e\u5927\u5668\u80fd\u591f\u63d0\u4f9b\u7684\u6700\u5927\u9891\u7387\u8303\u56f4\u3002\u589e\u76ca\u5e26\u5bbd\u79ef\u901a\u5e38\u4ee5\u5355\u4f4d\u8d6b\u5179(Hz)\u8868\u793a\u3002<\/strong><\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001\u4e3a\u4ec0\u4e48\u589e\u76ca\u5e26\u5bbd\u79ef\u91cd\u8981?<\/h2>\n\n\n\n

\u3000\u3000\u589e\u76ca\u5e26\u5bbd\u79ef\u662f\u8bc4\u4f30\u653e\u5927\u5668\u6027\u80fd\u7684\u5173\u952e\u6307\u6807\u4e4b\u4e00\uff0c\u5b83\u5bf9\u4e8e\u653e\u5927\u5668\u7684\u5e94\u7528\u548c\u6027\u80fd\u5177\u6709\u91cd\u8981\u5f71\u54cd\u3002\u8f83\u9ad8\u7684\u589e\u76ca\u5e26\u5bbd\u79ef\u610f\u5473\u7740\u653e\u5927\u5668\u53ef\u4ee5\u5728\u66f4\u5e7f\u6cdb\u7684\u9891\u7387\u8303\u56f4\u5185\u63d0\u4f9b\u7a33\u5b9a\u7684\u653e\u5927\u500d\u6570\uff0c\u4ece\u800c\u4f7f\u5f97\u653e\u5927\u5668\u5728\u9ad8\u9891\u5e94\u7528\u4e2d\u5177\u6709\u66f4\u597d\u7684\u6027\u80fd\u3002\u5728\u5f88\u591a\u7535\u5b50\u8bbe\u5907\u4e2d\uff0c\u5982\u901a\u4fe1\u7cfb\u7edf\u3001\u97f3\u9891\u653e\u5927\u5668\u548c\u5c04\u9891\u7535\u8def\u4e2d\uff0c\u589e\u76ca\u5e26\u5bbd\u79ef\u7684\u9009\u62e9\u662f\u975e\u5e38\u5173\u952e\u7684\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001\u5982\u4f55\u8ba1\u7b97\u589e\u76ca\u5e26\u5bbd\u79ef?<\/h2>\n\n\n\n

\u3000\u3000\u589e\u76ca\u5e26\u5bbd\u79ef\u53ef\u4ee5\u901a\u8fc7\u653e\u5927\u5668\u7684\u589e\u76ca\u548c\u5e26\u5bbd\u7684\u4e58\u79ef\u6765\u8ba1\u7b97\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u653e\u5927\u5668\u7684\u589e\u76ca\u4f1a\u968f\u7740\u9891\u7387\u7684\u589e\u52a0\u800c\u4e0b\u964d\uff0c\u56e0\u6b64\u5728\u8ba1\u7b97\u589e\u76ca\u5e26\u5bbd\u79ef\u65f6\uff0c\u9700\u8981\u9009\u62e9\u4e00\u4e2a\u7279\u5b9a\u7684\u589e\u76ca\u503c\u548c\u5bf9\u5e94\u7684\u5e26\u5bbd\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u589e\u76ca\u5e26\u5bbd\u79ef\u7684\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1a<\/p>\n\n\n\n

\u3000\u3000GBW = Gain \u00d7 Bandwidth<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5176\u4e2d\uff0cGain\u8868\u793a\u653e\u5927\u5668\u5728\u7279\u5b9a\u9891\u7387\u4e0b\u7684\u589e\u76ca\uff0cBandwidth\u8868\u793a\u653e\u5927\u5668\u7684\u5e26\u5bbd\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001\u589e\u76ca\u5e26\u5bbd\u79ef\u7684\u5e94\u7528\uff1a<\/h2>\n\n\n\n

\u3000\u3000\u589e\u76ca\u5e26\u5bbd\u79ef\u5728\u7535\u5b50\u9886\u57df\u4e2d\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u9891\u7387\u8870\u51cf\u8865\u507f\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5728\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u4fe1\u53f7\u4f20\u8f93\u7684\u9891\u7387\u8303\u56f4\u5f80\u5f80\u975e\u5e38\u5e7f\u6cdb\uff0c\u800c\u653e\u5927\u5668\u7684\u589e\u76ca\u4f1a\u968f\u7740\u9891\u7387\u7684\u589e\u52a0\u800c\u4e0b\u964d\u3002\u4e3a\u4e86\u4fdd\u6301\u4fe1\u53f7\u7684\u7a33\u5b9a\u6027\u548c\u51c6\u786e\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528\u589e\u76ca\u5e26\u5bbd\u79ef\u8f83\u9ad8\u7684\u653e\u5927\u5668\u6765\u8865\u507f\u9891\u7387\u8870\u51cf\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u4fe1\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u30002. \u97f3\u9891\u653e\u5927\u5668\u7684\u8bbe\u8ba1\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5728\u97f3\u9891\u653e\u5927\u5668\u7684\u8bbe\u8ba1\u4e2d\uff0c\u589e\u76ca\u5e26\u5bbd\u79ef\u5bf9\u4e8e\u5b9e\u73b0\u9ad8\u8d28\u91cf\u7684\u97f3\u9891\u653e\u5927\u5177\u6709\u91cd\u8981\u4f5c\u7528\u3002\u8f83\u9ad8\u7684\u589e\u76ca\u5e26\u5bbd\u79ef\u53ef\u4ee5\u63d0\u4f9b\u66f4\u5bbd\u5e7f\u7684\u9891\u7387\u54cd\u5e94\u8303\u56f4\uff0c\u4f7f\u5f97\u97f3\u9891\u4fe1\u53f7\u7684\u653e\u5927\u66f4\u52a0\u51c6\u786e\u548c\u6e05\u6670\u3002<\/p>\n\n\n\n

\u3000\u30003. \u5c04\u9891\u7535\u8def\u8bbe\u8ba1\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5728\u5c04\u9891\u7535\u8def\u8bbe\u8ba1\u4e2d\uff0c\u589e\u76ca\u5e26\u5bbd\u79ef\u5bf9\u4e8e\u5b9e\u73b0\u9ad8\u9891\u7387\u4fe1\u53f7\u7684\u653e\u5927\u548c\u4f20\u8f93\u81f3\u5173\u91cd\u8981\u3002\u8f83\u9ad8\u7684\u589e\u76ca\u5e26\u5bbd\u79ef\u53ef\u4ee5\u786e\u4fdd\u5c04\u9891\u4fe1\u53f7\u7684\u7a33\u5b9a\u653e\u5927\u548c\u4f20\u8f93\uff0c\u4ece\u800c\u63d0\u9ad8\u5c04\u9891\u7535\u8def\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u603b\u7ed3\uff1a<\/h2>\n\n\n\n

\u3000\u3000\u589e\u76ca\u5e26\u5bbd\u79ef\u662f\u653e\u5927\u5668\u8bbe\u8ba1\u548c\u5206\u6790\u4e2d\u7684\u91cd\u8981\u6982\u5ff5\uff0c\u5b83\u5bf9\u4e8e\u7535\u5b50\u8bbe\u5907\u548c\u7535\u8def\u7684\u6027\u80fd\u5177\u6709\u91cd\u8981\u5f71\u54cd\u3002\u901a\u8fc7\u8ba1\u7b97\u589e\u76ca\u5e26\u5bbd\u79ef\uff0c\u53ef\u4ee5\u8bc4\u4f30\u653e\u5927\u5668\u5728\u7279\u5b9a\u9891\u7387\u8303\u56f4\u5185\u7684\u6027\u80fd<\/strong>\uff0c\u5e76\u9009\u62e9\u5408\u9002\u7684\u653e\u5927\u5668\u5e94\u7528\u4e8e\u4e0d\u540c\u7684\u7535\u5b50\u9886\u57df\u4e2d\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u6839\u636e\u5177\u4f53\u9700\u6c42\u548c\u8bbe\u8ba1\u8981\u6c42\u9009\u62e9\u5408\u9002\u7684\u589e\u76ca\u5e26\u5bbd\u79ef\uff0c\u5e76\u7ed3\u5408\u5176\u4ed6\u6027\u80fd\u6307\u6807\u8fdb\u884c\u7efc\u5408\u8003\u8651\uff0c\u4ee5\u83b7\u5f97\u6700\u4f73\u7684\u7535\u5b50\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728\u653e\u5927\u5668\u8bbe\u8ba1\u4e2d\uff0c\u589e\u76ca\u548c\u5e26\u5bbd\u662f\u4e24\u4e2a\u91cd\u8981\u7684\u6027\u80fd\u6307\u6807\uff0c\u589e\u76ca\u5e26\u5bbd\u79ef\u5219\u8868\u793a\u4e86\u653e\u5927\u5668\u80fd\u591f\u63d0\u4f9b\u7684\u6700\u5927\u9891\u7387\u8303\u56f4\u3002\u589e\u76ca\u5e26\u5bbd\u79ef\u901a\u5e38\u4ee5\u5355\u4f4d\u8d6b\u5179(Hz)\u8868\u793a\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":[223],"class_list":["post-70637","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-txzy"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/70637"}],"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=70637"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/70637\/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=70637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=70637"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=70637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}