{"id":28622,"date":"2023-09-17T19:23:15","date_gmt":"2023-09-17T11:23:15","guid":{"rendered":"\/\/www.dealsbon.com\/?p=28622"},"modified":"2023-09-17T19:23:15","modified_gmt":"2023-09-17T11:23:15","slug":"sypyhhfc","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/28622.html","title":{"rendered":"\u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b"},"content":{"rendered":"

  \u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b\u662f\u4e00\u79cd\u975e\u5e38\u5f3a\u5927\u7684\u6570\u5b66\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u7814\u7a76\u548c\u5206\u6790\u8bb8\u591a\u7269\u7406\u7cfb\u7edf\u7684\u7279\u5f81\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u63cf\u8ff0\u7cfb\u7edf\u7684\u884c\u4e3a\uff0c\u5e76\u4e14\u53ef\u4ee5\u7528\u6765\u89e3\u51b3\u8bb8\u591a\u590d\u6742\u7684\u95ee\u9898\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b\u7684\u5b9a\u4e49\uff0c\u63a8\u5bfc\u53ca\u5176\u5e94\u7528\u3002<\/p>\n

\u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b\u7684\u5b9a\u4e49<\/h2>\n

  \u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b\u662f\u4e00\u4e2a\u63cf\u8ff0\u7269\u7406\u7cfb\u7edf\u884c\u4e3a\u7684\u6570\u5b66\u65b9\u7a0b\u3002\u5b83\u63cf\u8ff0\u4e86\u7269\u7406\u7cfb\u7edf\u7684\u65f6\u95f4\u53d8\u5316\u548c\u9891\u7387\u53d8\u5316\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u53ef\u4ee5\u7528\u6765\u63cf\u8ff0\u7cfb\u7edf\u7684\u884c\u4e3a\uff0c\u4ee5\u53ca\u7cfb\u7edf\u7684\u8f93\u5165\u548c\u8f93\u51fa\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b\u7684\u4e00\u822c\u5f62\u5f0f\u5982\u4e0b\uff1a<\/p>\n

  y(t) = \u222b-\u221e<\/sub>\u221e<\/sup> x(f)H(f,t)df<\/p>\n

  \u5176\u4e2d\uff0cy(t)\u662f\u7cfb\u7edf\u7684\u8f93\u51fa\uff0cx(f)\u662f\u7cfb\u7edf\u7684\u8f93\u5165\uff0cH(f,t)\u662f\u7cfb\u7edf\u7684\u54cd\u5e94\u51fd\u6570\uff0c\u8868\u793a\u8f93\u5165\u548c\u8f93\u51fa\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n

\u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b\u7684\u63a8\u5bfc<\/h2>\n

  \u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b\u53ef\u4ee5\u901a\u8fc7\u5085\u91cc\u53f6\u53d8\u6362\u6765\u63a8\u5bfc\u3002\u5085\u91cc\u53f6\u53d8\u6362\u662f\u4e00\u79cd\u5c06\u65f6\u57df\u4fe1\u53f7\u8f6c\u6362\u4e3a\u9891\u57df\u4fe1\u53f7\u7684\u6570\u5b66\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u5c06\u65f6\u57df\u4fe1\u53f7\u8f6c\u6362\u4e3a\u9891\u57df\u4fe1\u53f7\uff0c\u5e76\u53ef\u4ee5\u5c06\u9891\u57df\u4fe1\u53f7\u8f6c\u6362\u4e3a\u65f6\u57df\u4fe1\u53f7\u3002<\/p>\n

  \u9996\u5148\uff0c\u6211\u4eec\u5c06\u7cfb\u7edf\u7684\u8f93\u5165x(t)\u548c\u8f93\u51fay(t)\u7528\u5085\u91cc\u53f6\u53d8\u6362\u8f6c\u6362\u4e3a\u9891\u57df\u4fe1\u53f7X(f)\u548cY(f)\uff1a<\/p>\n

  X(f) = \u222b-\u221e<\/sub>\u221e<\/sup> x(t)e-i2\u03c0ft<\/sup>dt<\/p>\n

  Y(f) = \u222b-\u221e<\/sub>\u221e<\/sup> y(t)e-i2\u03c0ft<\/sup>dt<\/p>\n

  \u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u8f93\u5165\u548c\u8f93\u51fa\u4e4b\u95f4\u7684\u5173\u7cfb\u7528\u5085\u91cc\u53f6\u53d8\u6362\u8868\u793a\u4e3a\uff1a<\/p>\n

  Y(f) = H(f)X(f)<\/p>\n

  \u5176\u4e2d\uff0cH(f)\u662f\u7cfb\u7edf\u7684\u54cd\u5e94\u51fd\u6570\uff0c\u8868\u793a\u8f93\u5165\u548c\u8f93\u51fa\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u6700\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u54cd\u5e94\u51fd\u6570H(f)\u7528\u9006\u5085\u91cc\u53f6\u53d8\u6362\u8f6c\u6362\u56de\u65f6\u57df\uff1a<\/p>\n

  H(f,t) = \u222b-\u221e<\/sub>\u221e<\/sup> H(f)ei2\u03c0ft<\/sup>df<\/p>\n

  \u6700\u7ec8\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b\uff1a<\/p>\n

  y(t) = \u222b-\u221e<\/sub>\u221e<\/sup> x(f)H(f,t)df<\/p>\n

\u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b\u7684\u5e94\u7528<\/h2>\n

  \u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b\u53ef\u4ee5\u7528\u6765\u63cf\u8ff0\u7cfb\u7edf\u7684\u884c\u4e3a\uff0c\u5e76\u53ef\u4ee5\u7528\u6765\u89e3\u51b3\u8bb8\u591a\u590d\u6742\u7684\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u7528\u6765\u63cf\u8ff0\u632f\u52a8\u7cfb\u7edf\u7684\u884c\u4e3a\uff0c\u5e76\u53ef\u4ee5\u7528\u6765\u8ba1\u7b97\u7cfb\u7edf\u7684\u9891\u7387\u54cd\u5e94\u3002\u6b64\u5916\uff0c\u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b\u8fd8\u53ef\u4ee5\u7528\u6765\u63cf\u8ff0\u58f0\u5b66\u7cfb\u7edf\u7684\u884c\u4e3a\uff0c\u5e76\u53ef\u4ee5\u7528\u6765\u8ba1\u7b97\u7cfb\u7edf\u7684\u65f6\u95f4\u54cd\u5e94\u3002<\/p>\n

  \u53e6\u5916\uff0c\u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b\u4e5f\u53ef\u4ee5\u7528\u6765\u63cf\u8ff0\u7535\u78c1\u5b66\u7cfb\u7edf\u7684\u884c\u4e3a\uff0c\u5e76\u53ef\u4ee5\u7528\u6765\u8ba1\u7b97\u7cfb\u7edf\u7684\u7535\u78c1\u54cd\u5e94\u3002\u6b64\u5916\uff0c\u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b\u8fd8\u53ef\u4ee5\u7528\u6765\u63cf\u8ff0\u751f\u7269\u7cfb\u7edf\u7684\u884c\u4e3a\uff0c\u5e76\u53ef\u4ee5\u7528\u6765\u8ba1\u7b97\u7cfb\u7edf\u7684\u751f\u7269\u5b66\u54cd\u5e94\u3002<\/p>\n

  \u603b\u4e4b\uff0c\u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b\u662f\u4e00\u79cd\u975e\u5e38\u5f3a\u5927\u7684\u6570\u5b66\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u63cf\u8ff0\u7269\u7406\u7cfb\u7edf\u7684\u884c\u4e3a\uff0c\u5e76\u53ef\u4ee5\u7528\u6765\u89e3\u51b3\u8bb8\u591a\u590d\u6742\u7684\u95ee\u9898\u3002<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b\u662f\u4e00\u79cd\u975e\u5e38\u5f3a\u5927\u7684\u6570\u5b66\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u7814\u7a76\u548c\u5206\u6790\u8bb8\u591a\u7269\u7406\u7cfb\u7edf\u7684\u7279\u5f81\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u63cf\u8ff0\u7cfb\u7edf\u7684\u884c\u4e3a\uff0c\u5e76\u4e14\u53ef\u4ee5\u7528\u6765\u89e3\u51b3\u8bb8\u591a\u590d\u6742\u7684\u95ee\u9898\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u65f6\u57df\u9891\u57df\u6df7\u5408\u65b9\u7a0b<\/p>\n","protected":false},"author":1,"featured_media":3671,"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":[52],"class_list":["post-28622","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-wxtx"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/28622"}],"collection":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/comments?post=28622"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/28622\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media?parent=28622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=28622"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=28622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}