{"id":82679,"date":"2024-01-04T16:40:11","date_gmt":"2024-01-04T08:40:11","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=82679"},"modified":"2024-01-04T16:40:15","modified_gmt":"2024-01-04T08:40:15","slug":"txxlhzyjsgs","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/82679.html","title":{"rendered":"\u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca\u8ba1\u7b97\u516c\u5f0f"},"content":{"rendered":"\n

\u3000\u3000\u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca<\/strong>\u662f\u65e0\u7ebf\u901a\u4fe1\u4e2d\u81f3\u5173\u91cd\u8981\u7684\u53c2\u6570\uff0c\u5b83\u4eec\u76f4\u63a5\u5f71\u54cd\u7740\u4fe1\u53f7\u7684\u4f20\u8f93\u548c\u63a5\u6536\u8d28\u91cf\u3002\u5728\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca\u7684\u8ba1\u7b97\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca\u7684\u6982\u5ff5\uff0c\u5e76\u63d0\u4f9b\u8ba1\u7b97\u516c\u5f0f\uff0c\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f18\u5316\u5929\u7ebf\u8bbe\u8ba1\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 \u4ec0\u4e48\u662f\u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca?<\/h2>\n\n\n\n

\u3000\u3000\u5929\u7ebf\u6548\u7387\u662f\u6307\u5929\u7ebf\u5c06\u8f93\u5165\u7684\u80fd\u91cf\u8f6c\u6362\u4e3a\u65e0\u7ebf\u4fe1\u53f7\u7684\u80fd\u529b\u3002\u5b83\u662f\u8861\u91cf\u5929\u7ebf\u6027\u80fd\u7684\u91cd\u8981\u6307\u6807\uff0c\u901a\u5e38\u4ee5\u767e\u5206\u6bd4\u8868\u793a\u3002\u5929\u7ebf\u6548\u7387\u7684\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5929\u7ebf\u6548\u7387 = (\u8f90\u5c04\u529f\u7387 \/ \u8f93\u5165\u529f\u7387) \u00d7 100%<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5176\u4e2d\uff0c\u8f90\u5c04\u529f\u7387\u662f\u6307\u5929\u7ebf\u5b9e\u9645\u8f90\u5c04\u51fa\u53bb\u7684\u529f\u7387\uff0c\u8f93\u5165\u529f\u7387\u662f\u6307\u8f93\u5165\u5230\u5929\u7ebf\u7aef\u53e3\u7684\u603b\u529f\u7387\u3002\u5929\u7ebf\u6548\u7387\u7684\u503c\u8d8a\u63a5\u8fd1100%\uff0c\u8868\u793a\u5929\u7ebf\u8f6c\u6362\u8f93\u5165\u529f\u7387\u7684\u80fd\u529b\u8d8a\u5f3a\uff0c\u6027\u80fd\u8d8a\u597d\u3002<\/p>\n\n\n\n

\u3000\u3000\u5929\u7ebf\u589e\u76ca\u662f\u6307\u5929\u7ebf\u5728\u7279\u5b9a\u65b9\u5411\u4e0a\u76f8\u5bf9\u4e8e\u7406\u60f3\u70b9\u6e90\u5929\u7ebf\u7684\u8f90\u5c04\u80fd\u529b\u3002\u5b83\u901a\u5e38\u7528\u5206\u8d1d(dB)\u8868\u793a\u3002\u5929\u7ebf\u589e\u76ca\u7684\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5929\u7ebf\u589e\u76ca (dBi) = 10 \u00d7 log10(\u8f90\u5c04\u529f\u7387 \/ \u53c2\u8003\u5929\u7ebf\u8f90\u5c04\u529f\u7387)<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5176\u4e2d\uff0c\u53c2\u8003\u5929\u7ebf\u662f\u4e00\u4e2a\u6807\u51c6\u7684\u70b9\u6e90\u5929\u7ebf\uff0c\u901a\u5e38\u662f\u7406\u60f3\u5316\u7684\u5929\u7ebf\u3002\u5929\u7ebf\u589e\u76ca\u7684\u503c\u8d8a\u5927\uff0c\u8868\u793a\u5929\u7ebf\u5728\u7279\u5b9a\u65b9\u5411\u4e0a\u7684\u8f90\u5c04\u80fd\u529b\u8d8a\u5f3a\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 \u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca\u7684\u91cd\u8981\u6027<\/h2>\n\n\n\n

\u3000\u3000\u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca\u5bf9\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u7684\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u9ad8\u6548\u7684\u5929\u7ebf\u80fd\u591f\u63d0\u9ad8\u4fe1\u53f7\u7684\u4f20\u8f93\u6548\u7387\uff0c\u51cf\u5c11\u80fd\u91cf\u7684\u635f\u5931\uff0c\u4ece\u800c\u6539\u5584\u901a\u4fe1\u8d28\u91cf\u3002\u800c\u5929\u7ebf\u589e\u76ca\u5219\u53ef\u4ee5\u589e\u5f3a\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u548c\u7a7f\u900f\u80fd\u529b\uff0c\u63d0\u9ad8\u901a\u4fe1\u7cfb\u7edf\u7684\u8986\u76d6\u548c\u63a5\u6536\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca\u7684\u4f18\u5316\u53ef\u4ee5\u5e2e\u52a9\u63d0\u9ad8\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\uff0c\u51cf\u5c11\u4fe1\u53f7\u8870\u51cf\u548c\u5e72\u6270\uff0c\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\u548c\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4ece\u800c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u548c\u7cfb\u7edf\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 \u5982\u4f55\u8ba1\u7b97\u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca?<\/h2>\n\n\n\n

\u3000\u3000\u8ba1\u7b97\u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca\u9700\u8981\u4e86\u89e3\u5929\u7ebf\u7684\u8f90\u5c04\u7279\u6027\u548c\u8f93\u5165\u8f93\u51fa\u529f\u7387\u3002\u5bf9\u4e8e\u5929\u7ebf\u6548\u7387\uff0c\u9700\u8981\u6d4b\u91cf\u5929\u7ebf\u7684\u8f90\u5c04\u529f\u7387\u548c\u8f93\u5165\u529f\u7387\uff0c\u7136\u540e\u6839\u636e\u4e0a\u8ff0\u516c\u5f0f\u8fdb\u884c\u8ba1\u7b97\u3002\u5bf9\u4e8e\u5929\u7ebf\u589e\u76ca\uff0c\u9700\u8981\u6d4b\u91cf\u5929\u7ebf\u7684\u8f90\u5c04\u529f\u7387\u5e76\u5c06\u5176\u4e0e\u53c2\u8003\u5929\u7ebf\u8fdb\u884c\u6bd4\u8f83\uff0c\u7136\u540e\u5e94\u7528\u4e0a\u8ff0\u516c\u5f0f\u8fdb\u884c\u8ba1\u7b97\u3002<\/p>\n\n\n\n

\u3000\u3000\u9664\u4e86\u4f7f\u7528\u4e0a\u8ff0\u7684\u57fa\u672c\u516c\u5f0f\u5916\uff0c\u8fd8\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u5929\u7ebf\u7c7b\u578b\u548c\u8bbe\u8ba1\u53c2\u6570\u8fdb\u884c\u66f4\u590d\u6742\u7684\u8ba1\u7b97\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u5b9a\u5411\u5929\u7ebf\u548c\u9635\u5217\u5929\u7ebf\uff0c\u9700\u8981\u8003\u8651\u5176\u8f90\u5c04\u6a21\u5f0f\u548c\u9635\u5217\u7ed3\u6784\uff0c\u91c7\u7528\u76f8\u5e94\u7684\u8ba1\u7b97\u65b9\u6cd5\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001 \u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca\u7684\u4f18\u5316\u65b9\u6cd5<\/h2>\n\n\n\n

\u3000\u3000\u4e3a\u4e86\u63d0\u9ad8\u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca\uff0c\u53ef\u4ee5\u91c7\u53d6\u4e00\u4e9b\u4f18\u5316\u65b9\u6cd5\u3002\u9996\u5148\uff0c\u5408\u7406\u8bbe\u8ba1\u548c\u5e03\u5c40\u5929\u7ebf\u7ed3\u6784\uff0c\u4f18\u5316\u5929\u7ebf\u7684\u8f90\u5c04\u7279\u6027\u548c\u6ce2\u675f\u5f62\u6210\u3002\u5176\u6b21\uff0c\u9009\u62e9\u5408\u9002\u7684\u5929\u7ebf\u6750\u6599\u548c\u5236\u9020\u5de5\u827a\uff0c\u51cf\u5c11\u80fd\u91cf\u635f\u8017\u548c\u6742\u6563\u8f90\u5c04\u3002\u6b64\u5916\uff0c\u5408\u7406\u914d\u7f6e\u5929\u7ebf\u8f93\u5165\u8f93\u51fa\u7aef\u53e3\uff0c\u5339\u914d\u5929\u7ebf\u4e0e\u4f20\u8f93\u7cfb\u7edf\u7684\u963b\u6297\uff0c\u6700\u5927\u9650\u5ea6\u5730\u63d0\u9ad8\u80fd\u91cf\u4f20\u8f93\u6548\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u53e6\u5916\uff0c\u5b9a\u671f\u8fdb\u884c\u5929\u7ebf\u6027\u80fd\u6d4b\u8bd5\u548c\u6821\u51c6\uff0c\u4fdd\u6301\u5929\u7ebf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u901a\u8fc7\u4f18\u5316\u5929\u7ebf\u8bbe\u8ba1\u548c\u8c03\u6574\u5de5\u4f5c\u53c2\u6570\uff0c\u53ef\u4ee5\u4e0d\u65ad\u6539\u8fdb\u5929\u7ebf\u7684\u6027\u80fd\uff0c\u63d0\u9ad8\u901a\u4fe1\u7cfb\u7edf\u7684\u6574\u4f53\u6548\u7387\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e94\u3001 \u7ed3\u8bba<\/h2>\n\n\n\n

\u3000\u3000\u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca\u662f\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\u81f3\u5173\u91cd\u8981\u7684\u53c2\u6570\uff0c\u5b83\u4eec\u76f4\u63a5\u5f71\u54cd\u7740\u4fe1\u53f7\u7684\u4f20\u8f93\u548c\u63a5\u6536\u8d28\u91cf\u3002\u901a\u8fc7\u5408\u7406\u8ba1\u7b97\u548c\u4f18\u5316\u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca\uff0c\u53ef\u4ee5\u63d0\u9ad8\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u8986\u76d6\u8303\u56f4<\/strong>\uff0c\u6539\u5584\u7528\u6237\u4f53\u9a8c\u548c\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002\u56e0\u6b64\uff0c\u6df1\u5165\u7406\u89e3\u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca\u7684\u8ba1\u7b97\u65b9\u6cd5\uff0c\u4ee5\u53ca\u91c7\u53d6\u76f8\u5e94\u7684\u4f18\u5316\u63aa\u65bd\uff0c\u5bf9\u4e8e\u63d0\u5347\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca\u662f\u65e0\u7ebf\u901a\u4fe1\u4e2d\u81f3\u5173\u91cd\u8981\u7684\u53c2\u6570\uff0c\u5b83\u4eec\u76f4\u63a5\u5f71\u54cd\u7740\u4fe1\u53f7\u7684\u4f20\u8f93\u548c\u63a5\u6536\u8d28\u91cf\u3002\u5728\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u5929\u7ebf\u6548\u7387\u548c\u589e\u76ca\u7684\u8ba1\u7b97\u662f\u81f3\u5173\u91cd\u8981\u7684<\/p>\n","protected":false},"author":1,"featured_media":82674,"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-82679","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\/82679","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=82679"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/82679\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/82674"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=82679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=82679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=82679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}