{"id":66626,"date":"2023-12-04T14:37:44","date_gmt":"2023-12-04T06:37:44","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=66626"},"modified":"2023-12-04T14:37:49","modified_gmt":"2023-12-04T06:37:49","slug":"xddkdysjfsslm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/66626.html","title":{"rendered":"\u4fe1\u9053\u5e26\u5bbd\u7b49\u4e8e\u6570\u636e\u53d1\u9001\u901f\u7387\u5417\uff1f"},"content":{"rendered":"\n

\u3000\u3000\u5728\u73b0\u4ee3\u6570\u5b57\u901a\u4fe1\u4e2d\uff0c\u4fe1\u9053\u5e26\u5bbd\u548c\u6570\u636e\u53d1\u9001\u901f\u7387\u662f\u4e24\u4e2a\u5e38\u89c1\u7684\u6982\u5ff5\u3002\u5f88\u591a\u4eba\u53ef\u80fd\u4f1a\u8bef\u4ee5\u4e3a\u5b83\u4eec\u662f\u540c\u4e00\u4e2a\u6982\u5ff5\uff0c\u4f46\u5b9e\u9645\u4e0a\u5b83\u4eec\u662f\u4e0d\u540c\u7684\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u4fe1\u9053\u5e26\u5bbd\u548c\u6570\u636e\u53d1\u9001\u901f\u7387\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u5e76\u89e3\u91ca\u5b83\u4eec\u5728\u901a\u4fe1\u9886\u57df\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n\n\n\n

\u3000\u30001. \u4fe1\u9053\u5e26\u5bbd\u7684\u5b9a\u4e49\u548c\u4f5c\u7528<\/h2>\n\n\n\n

\u3000\u3000\u4fe1\u9053\u5e26\u5bbd\u662f\u6307\u4fe1\u53f7\u4f20\u8f93\u7684\u9891\u7387\u8303\u56f4\uff0c\u4e5f\u53ef\u4ee5\u7406\u89e3\u4e3a\u4fe1\u9053\u80fd\u591f\u4f20\u8f93\u7684\u6700\u9ad8\u9891\u7387\u4fe1\u53f7\u7684\u8303\u56f4\u3002\u5b83\u662f\u8861\u91cf\u4fe1\u9053\u4f20\u8f93\u80fd\u529b\u7684\u91cd\u8981\u6307\u6807\uff0c\u901a\u5e38\u4ee5\u8d6b\u5179(Hz)\u4e3a\u5355\u4f4d\u8868\u793a\u3002\u4fe1\u9053\u5e26\u5bbd\u51b3\u5b9a\u4e86\u4fe1\u9053\u80fd\u591f\u4f20\u8f93\u7684\u4fe1\u53f7\u7684\u9891\u7387\u8303\u56f4\uff0c\u8d8a\u5bbd\u7684\u4fe1\u9053\u5e26\u5bbd\u610f\u5473\u7740\u80fd\u591f\u4f20\u8f93\u66f4\u9ad8\u9891\u7387\u7684\u4fe1\u53f7\uff0c\u4ece\u800c\u63d0\u4f9b\u66f4\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n\n\n\n

\u3000\u30002. \u6570\u636e\u53d1\u9001\u901f\u7387\u7684\u5b9a\u4e49\u548c\u8ba1\u7b97<\/h2>\n\n\n\n

\u3000\u3000\u6570\u636e\u53d1\u9001\u901f\u7387\u662f\u6307\u5728\u5355\u4f4d\u65f6\u95f4\u5185\u4f20\u8f93\u7684\u6570\u636e\u91cf\u3002\u5b83\u901a\u5e38\u4ee5\u6bd4\u7279\u6bcf\u79d2(bps)\u4e3a\u5355\u4f4d\u8868\u793a\u3002\u6570\u636e\u53d1\u9001\u901f\u7387\u53d6\u51b3\u4e8e\u4fe1\u9053\u7684\u5e26\u5bbd\u4ee5\u53ca\u5176\u4ed6\u56e0\u7d20\uff0c\u5982\u8c03\u5236\u65b9\u5f0f\u3001\u7f16\u7801\u65b9\u5f0f\u7b49\u3002\u6839\u636e\u9999\u519c\u5b9a\u7406\uff0c\u6570\u636e\u53d1\u9001\u901f\u7387\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97\uff1a<\/p>\n\n\n\n

\u3000\u3000\u6570\u636e\u53d1\u9001\u901f\u7387 = \u5e26\u5bbd \u00d7 log2(1 + \u4fe1\u566a\u6bd4)<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5176\u4e2d\uff0c\u4fe1\u566a\u6bd4\u662f\u4fe1\u53f7\u4e0e\u566a\u58f0\u7684\u6bd4\u503c\uff0c\u8868\u793a\u4fe1\u53f7\u7684\u8d28\u91cf\u3002<\/p>\n\n\n\n

\u3000\u30003. \u4fe1\u9053\u5e26\u5bbd\u4e0e\u6570\u636e\u53d1\u9001\u901f\u7387\u7684\u5173\u7cfb<\/h2>\n\n\n\n

\u3000\u3000\u4fe1\u9053\u5e26\u5bbd\u548c\u6570\u636e\u53d1\u9001\u901f\u7387\u4e4b\u95f4\u5b58\u5728\u7740\u5bc6\u5207\u7684\u5173\u7cfb\u3002\u4fe1\u9053\u5e26\u5bbd\u51b3\u5b9a\u4e86\u4fe1\u9053\u7684\u4f20\u8f93\u80fd\u529b\uff0c\u800c\u6570\u636e\u53d1\u9001\u901f\u7387\u5219\u662f\u5229\u7528\u8fd9\u79cd\u4f20\u8f93\u80fd\u529b\u4f20\u8f93\u6570\u636e\u7684\u901f\u7387\u3002\u4fe1\u9053\u5e26\u5bbd\u8d8a\u5927\uff0c\u53ef\u4ee5\u4f20\u8f93\u7684\u4fe1\u53f7\u9891\u7387\u8303\u56f4\u8d8a\u5e7f\uff0c\u4ece\u800c\u53ef\u4ee5\u652f\u6301\u66f4\u9ad8\u7684\u6570\u636e\u53d1\u9001\u901f\u7387\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u4fe1\u9053\u5e26\u5bbd\u7684\u589e\u52a0\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u53d1\u9001\u901f\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u7136\u800c\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4fe1\u9053\u5e26\u5bbd\u5e76\u4e0d\u662f\u552f\u4e00\u5f71\u54cd\u6570\u636e\u53d1\u9001\u901f\u7387\u7684\u56e0\u7d20\u3002\u5176\u4ed6\u56e0\u7d20\uff0c\u5982\u4fe1\u566a\u6bd4\u3001\u8c03\u5236\u65b9\u5f0f\u3001\u7f16\u7801\u65b9\u5f0f\u7b49\u4e5f\u4f1a\u5bf9\u6570\u636e\u53d1\u9001\u901f\u7387\u4ea7\u751f\u5f71\u54cd\u3002\u56e0\u6b64\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u7efc\u5408\u8003\u8651\u8fd9\u4e9b\u56e0\u7d20\u6765\u786e\u5b9a\u6700\u4f73\u7684\u6570\u636e\u53d1\u9001\u901f\u7387\u3002<\/p>\n\n\n\n

\u3000\u30004. \u4fe1\u9053\u5e26\u5bbd\u4e0e\u6570\u636e\u53d1\u9001\u901f\u7387\u7684\u5e94\u7528<\/h2>\n\n\n\n

\u3000\u3000\u4fe1\u9053\u5e26\u5bbd\u548c\u6570\u636e\u53d1\u9001\u901f\u7387\u5728\u901a\u4fe1\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\uff0c\u4fe1\u9053\u5e26\u5bbd\u51b3\u5b9a\u4e86\u65e0\u7ebf\u4fe1\u53f7\u80fd\u591f\u4f20\u8f93\u7684\u6700\u9ad8\u6570\u636e\u901f\u7387\uff0c\u800c\u6570\u636e\u53d1\u9001\u901f\u7387\u5219\u51b3\u5b9a\u4e86\u5b9e\u9645\u4f20\u8f93\u7684\u6570\u636e\u901f\u7387\u3002\u5728\u6709\u7ebf\u901a\u4fe1\u4e2d\uff0c\u5982\u5149\u7ea4\u901a\u4fe1\u548c\u4ee5\u592a\u7f51\u901a\u4fe1\uff0c\u4fe1\u9053\u5e26\u5bbd\u51b3\u5b9a\u4e86\u4f20\u8f93\u7684\u6700\u9ad8\u6570\u636e\u901f\u7387\uff0c\u800c\u6570\u636e\u53d1\u9001\u901f\u7387\u5219\u53d6\u51b3\u4e8e\u8bbe\u5907\u548c\u534f\u8bae\u7684\u652f\u6301\u3002<\/p>\n\n\n\n

\u3000\u30005. \u7ed3\u8bba<\/h2>\n\n\n\n

\u3000\u3000\u4fe1\u9053\u5e26\u5bbd\u548c\u6570\u636e\u53d1\u9001\u901f\u7387\u662f\u901a\u4fe1\u9886\u57df\u4e2d\u4e24\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\u3002\u4fe1\u9053\u5e26\u5bbd\u51b3\u5b9a\u4e86\u4fe1\u9053\u7684\u4f20\u8f93\u80fd\u529b\uff0c\u800c\u6570\u636e\u53d1\u9001\u901f\u7387\u5219\u662f\u5229\u7528\u8fd9\u79cd\u80fd\u529b\u4f20\u8f93\u6570\u636e\u7684\u901f\u7387\u3002\u4fe1\u9053\u5e26\u5bbd\u8d8a\u5927\uff0c\u53ef\u4ee5\u652f\u6301\u66f4\u9ad8\u7684\u6570\u636e\u53d1\u9001\u901f\u7387\u3002\u7136\u800c\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8fd8\u9700\u8981\u8003\u8651\u5176\u4ed6\u56e0\u7d20\u7684\u5f71\u54cd\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u5b9e\u73b0\u6700\u4f73\u7684\u6570\u636e\u4f20\u8f93\u6548\u679c\uff0c\u9700\u8981\u7efc\u5408\u8003\u8651\u4fe1\u9053\u5e26\u5bbd\u3001\u4fe1\u566a\u6bd4\u3001\u8c03\u5236\u65b9\u5f0f\u3001\u7f16\u7801\u65b9\u5f0f\u7b49\u56e0\u7d20\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4fe1\u9053\u5e26\u5bbd\u548c\u6570\u636e\u53d1\u9001\u901f\u7387\u662f\u901a\u4fe1\u9886\u57df\u4e2d\u4e24\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\u3002\u4fe1\u9053\u5e26\u5bbd\u51b3\u5b9a\u4e86\u4fe1\u9053\u7684\u4f20\u8f93\u80fd\u529b\uff0c\u800c\u6570\u636e\u53d1\u9001\u901f\u7387\u5219\u662f\u5229\u7528\u8fd9\u79cd\u80fd\u529b\u4f20\u8f93\u6570\u636e\u7684\u901f\u7387\u3002\u4fe1\u9053\u5e26\u5bbd\u8d8a\u5927\uff0c\u53ef\u4ee5\u652f\u6301\u66f4\u9ad8\u7684\u6570\u636e\u53d1\u9001\u901f\u7387<\/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":[275,183],"class_list":["post-66626","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-cssl","tag-xd"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/66626","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=66626"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/66626\/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=66626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=66626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=66626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}