{"id":13874,"date":"2020-02-03T11:56:46","date_gmt":"2020-02-03T03:56:46","guid":{"rendered":"http:\/\/www.jdcui.com\/?p=13874"},"modified":"2026-02-15T09:54:07","modified_gmt":"2026-02-15T01:54:07","slug":"%e6%95%b0%e5%ad%a6%e5%9c%b0%e9%9c%87%e5%8a%a8%e8%bd%af%e4%bb%b6-four_tran-fourier-analysis-tool-%e5%82%85%e9%87%8c%e5%8f%b6%e5%88%86%e6%9e%90%e5%b7%a5%e5%85%b7","status":"publish","type":"post","link":"http:\/\/www.jdcui.com\/?p=13874","title":{"rendered":"[\u7a0b\u5e8f] FOUR_TRAN: Fourier Analysis Tool [\u5085\u91cc\u53f6\u5206\u6790\u5de5\u5177]"},"content":{"rendered":"<p><span style=\"color: #ff00ff; background-color: #ccffcc;\"><strong>\u5b9e\u5e72\u3001\u5b9e\u8df5\u3001\u79ef\u7d2f\u3001\u601d\u8003\u3001\u521b\u65b0\u3002<\/strong><\/span><\/p>\n<hr \/>\n<ul style=\"list-style-type: square;\">\n<li><strong style=\"font-size: 0.875rem;\">\u7a0b\u5e8f\u56fe\u6807\u00a0<span style=\"color: #0000ff;\">( Program Icon )<\/span><\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 30px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-13894\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2020\/02\/FOUC_TRAN.png\" alt=\"\" width=\"85\" height=\"85\" \/><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u7a0b\u5e8f\u4ecb\u7ecd\u00a0<span style=\"color: #0000ff;\">( Program Introduction)<\/span><\/strong><\/li>\n<\/ul>\n<p>\u7b80\u5355\u7684\u79bb\u6563\u5085\u91cc\u53f6\u53d8\u6362\uff08DFT\uff0cDiscrete Fourier Transform\uff09\u5206\u6790\u5de5\u5177\uff0c\u5bfc\u5165\u6570\u636e\uff0c\u8fdb\u884cDFT\u53d8\u5316\uff0c\u5e76\u83b7\u5f97\u9891\u7387Frequency\uff0c\u76f8\u4f4d\u8c31Fourier Phase\uff0c\u5e45\u503c\u8c31Fourier Amplitude\uff0c\u529f\u7387\u8c31 Power Spectrum\u7b49\u7ed3\u679c\u3002\u5e76\u53ef\u4efb\u610f\u7ec4\u5408\u9009\u5b9a\u9891\u7387\u6210\u5206\uff0c\u67e5\u770b\u7ec4\u5408\u7ed3\u679c\uff0c\u6ee4\u6ce2\u529f\u80fd (filtering)\u3002\u76f4\u89c2\u611f\u6027\u5730\u7406\u89e3\u5085\u91cc\u53f6\u53d8\u6362\u7684\u9b45\u529b\u3002\u5f53\u7136\uff0c\u8fd9\u4e2a\u4e1c\u897f\u4e5f\u53ef\u4ee5\u7528\u6765\u5206\u6790\u5730\u9707\u6ce2\u3002\uff08PS\u3002\u8d81\u7740\u5728\u5bb6\u81ea\u6211\u9694\u79bb\u7684\u65f6\u95f4\u5b66\u4e60\uff0c\u5e0c\u671b\u65b0\u578b\u51a0\u72b6\u75c5\u6bd2\u80ba\u708e\u75ab\u60c5\u65e9\u65e5\u88ab\u6218\u80dc\u3002\uff09<\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u6848\u4f8b (<span style=\"color: #000080;\"> Examples <\/span>)<\/strong><\/li>\n<\/ul>\n<p><strong>[01] <a href=\"http:\/\/www.jdcui.com\/?p=13909\" target=\"_blank\" rel=\"noopener noreferrer\">[\u6570\u5b66][\u8f6f\u4ef6] FOUR_TRAN Example 1: Filtering [FOUR_TRAN\u5085\u91cc\u53f6\u5206\u6790\u5de5\u5177\u4f7f\u7528\u6848\u4f8b1: \u6ee4\u6ce2]<\/a><\/strong><\/p>\n<p><strong>[02] <a href=\"http:\/\/www.jdcui.com\/?p=13911\" target=\"_blank\" rel=\"noopener noreferrer\">[\u6570\u5b66][\u8f6f\u4ef6] FOUR_TRAN Example 2: Square Wave Signal Decomposition [FOUR_TRAN\u5085\u91cc\u53f6\u5206\u6790\u5de5\u5177\u4f7f\u7528\u6848\u4f8b2: \u65b9\u6ce2\u4fe1\u53f7\u5206\u89e3]<\/a><\/strong><\/p>\n<p><strong>[03] <a href=\"http:\/\/www.jdcui.com\/?p=13914\" target=\"_blank\" rel=\"noopener noreferrer\">[\u6570\u5b66][\u8f6f\u4ef6] FOUR_TRAN Example 3: Earthquake Ground Acceleration Frequency Spectrum Analysis [FOUR_TRAN\u5085\u91cc\u53f6\u5206\u6790\u5de5\u5177\u4f7f\u7528\u6848\u4f8b3: \u5730\u9707\u6ce2\u9891\u8c31\u5206\u6790]<\/a><\/strong><\/p>\n<p><strong>[04] <a title=\"[\u632f\u52a8\u53f0][\u8bd5\u9a8c][\u8f6f\u4ef6] \u632f\u52a8\u53f0(Shaking Table Test)\u767d\u566a\u58f0\u8bd5\u9a8c\u6570\u636e\u5904\u7406\u2014\u2014\u6c42\u7ed3\u6784\u81ea\u632f\u7279\u6027\" href=\"http:\/\/www.jdcui.com\/?p=15689\" target=\"_blank\" rel=\"noopener noreferrer\">[\u632f\u52a8\u53f0][\u8bd5\u9a8c][\u8f6f\u4ef6] \u632f\u52a8\u53f0(Shaking Table Test)\u767d\u566a\u58f0\u8bd5\u9a8c\u6570\u636e\u5904\u7406\u2014\u2014\u6c42\u7ed3\u6784\u81ea\u632f\u7279\u6027<\/a><\/strong><\/p>\n<p><strong>[05] <a title=\"[\u6570\u5b66][\u8f6f\u4ef6] FOUR_TRAN Example 4: Stock Periodicity and Volatility Analysis [FOUR_TRAN\u5085\u91cc\u53f6\u5206\u6790\u5de5\u5177 \u6848\u4f8b4: \u80a1\u7968\u5468\u671f\u6027\u548c\u6ce2\u52a8\u6027\u5206\u6790]\" href=\"http:\/\/www.jdcui.com\/?p=19570\" target=\"_blank\" rel=\"noopener\">[\u6570\u5b66][\u8f6f\u4ef6] FOUR_TRAN Example 4: Stock Periodicity and Volatility Analysis [FOUR_TRAN\u5085\u91cc\u53f6\u5206\u6790\u5de5\u5177 \u6848\u4f8b4: \u80a1\u7968\u5468\u671f\u6027\u548c\u6ce2\u52a8\u6027\u5206\u6790]<\/a><\/strong><\/p>\n<p><strong>[06] <a title=\"[\u8f6f\u4ef6] FOUR_TRAN \u6848\u4f8b5: \u98ce\u632f\u54cd\u5e94\u9891\u8c31\u5206\u6790 ( FOUR_TRAN Ex5: Wind induced vibration response spectrum analysis)\" href=\"http:\/\/www.jdcui.com\/?p=22674\" target=\"_blank\" rel=\"noopener\">[\u8f6f\u4ef6] FOUR_TRAN \u6848\u4f8b5: \u98ce\u632f\u54cd\u5e94\u9891\u8c31\u5206\u6790 ( FOUR_TRAN Ex5: Wind induced vibration response spectrum analysis)<\/a><\/strong><\/p>\n<p><strong>[07] <a title=\"[\u8f6f\u4ef6][\u632f\u63a7] FOUR_TRAN \u6848\u4f8b6: \u94a2\u697c\u68af\u5b9e\u6d4b\u632f\u52a8\u6570\u636e\u9891\u8c31\u5206\u6790 (FOUR_TRAN Ex6: Frequency spectrum of measured vibration data of Steel stairs)\" href=\"http:\/\/www.jdcui.com\/?p=23673\" target=\"_blank\" rel=\"noopener\">[\u8f6f\u4ef6][\u632f\u63a7] FOUR_TRAN \u6848\u4f8b6: \u94a2\u697c\u68af\u5b9e\u6d4b\u632f\u52a8\u6570\u636e\u9891\u8c31\u5206\u6790 (FOUR_TRAN Ex6: Frequency spectrum of measured vibration data of Steel stairs)<\/a><\/strong><\/p>\n<p><strong>[08] <a title=\"[\u8f6f\u4ef6][\u632f\u52a8\u63a7\u5236] FOUR_TRAN \u6848\u4f8b7: \u94a2\u697c\u68af\u5b9e\u6d4b\u632f\u52a8\u6570\u636e(\u4e0d\u540c\u9891\u7387\u6210\u5206\u5bf9\u52a0\u901f\u5ea6\u5cf0\u503c\u7684\u8d21\u732e) (FOUR_TRAN Ex7: Frequency spectrum of measured vibration data of Steel stairs)\" href=\"http:\/\/www.jdcui.com\/?p=23716\" target=\"_blank\" rel=\"noopener\">[\u8f6f\u4ef6][\u632f\u52a8\u63a7\u5236] FOUR_TRAN \u6848\u4f8b7: \u94a2\u697c\u68af\u5b9e\u6d4b\u632f\u52a8\u6570\u636e(\u4e0d\u540c\u9891\u7387\u6210\u5206\u5bf9\u52a0\u901f\u5ea6\u5cf0\u503c\u7684\u8d21\u732e) (FOUR_TRAN Ex7: Frequency spectrum of measured vibration data of Steel stairs)<\/a><\/strong><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u7a0b\u5e8f\u754c\u9762\u00a0<span style=\"color: #0000ff;\">( Program Interface)<\/span><\/strong><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-13897\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2020\/02\/FOUC_TRAN1.gif\" alt=\"\" width=\"600\" height=\"492\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-13898\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2020\/02\/FOUC_TRAN2.gif\" alt=\"\" width=\"600\" height=\"492\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-13899\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2020\/02\/FOUC_TRAN3.gif\" alt=\"\" width=\"600\" height=\"492\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-13900\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2020\/02\/FOUC_TRAN4.gif\" alt=\"\" width=\"600\" height=\"451\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-13901\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2020\/02\/FOUC_TRAN5.gif\" alt=\"\" width=\"600\" height=\"486\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-13902\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2020\/02\/FOUC_TRAN6.gif\" alt=\"\" width=\"600\" height=\"486\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-23681 aligncenter\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2024\/05\/FOUR_TRAN_1-min.png\" alt=\"\" width=\"600\" height=\"407\" srcset=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2024\/05\/FOUR_TRAN_1-min.png 1055w, http:\/\/www.jdcui.com\/wp-content\/uploads\/2024\/05\/FOUR_TRAN_1-min-768x521.png 768w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u4e0b\u8f7d\u00a0<span style=\"color: #0000ff;\">(\u00a0 Download )<\/span><\/strong><\/li>\n<\/ul>\n<p><span style=\"color: #ff0000;\"><strong>(\u00a0 <span style=\"color: #ff00ff;\">\u5982\u679c\u60a8\u9700\u8981\u4f7f\u7528\u8fd9\u4e2a\u8f6f\u4ef6\uff0c\u8bf7\u5728\u8fd9\u7ed9\u7f51\u7ad9\u6350\u52a9\uff1a<span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"http:\/\/www.jdcui.com\/?page_id=4813\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/www.jdcui.com\/?page_id=4813<\/a><\/span>\uff0c\u6350\u52a9\u3010300RMB\u3011\uff0c\u6350\u52a9\u540e\u5728\u8bc4\u8bba\u533a\u7559\u4e0b\u60a8\u7684\u8bc4\u8bba\uff0c\u8f6f\u4ef6\u5c06\u901a\u8fc7\u7f51\u7ad9\u7ba1\u7406\u5458QQ\uff1a3014479529\u7ed9\u60a8\u53d1\u9001\uff0c<em>\u656c\u8bf7\u5c0a\u91cd\u52b3\u52a8\u6210\u679c<\/em> \uff01\uff01\uff01<\/span>)<\/strong><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 14pt;\"><strong>\u5173\u4e8e\u6211\u4eec<\/strong><\/span><\/p>\n<p style=\"text-align: center;\"><strong>\u8d85\u9650\u8bbe\u8ba1 | \u8f6f\u4ef6\u5b9a\u5236\u5f00\u53d1| \u73af\u8bc4\u51cf\u632f\u63a7\u5236 |\u4eba\u81f4\u632f\u52a8\u63a7\u5236 | \u51cf\u9694\u9707\u8bbe\u8ba1 | \u65bd\u5de5\u8fc7\u7a0b\u6a21\u62df | \u5c0f\u54c1\u94a2\u7ed3\u6784 | \u6709\u9650\u5143\u5f00\u53d1 | BIM\u4e0e\u53c2\u6570\u5316 | \u5927\u9707\u5f39\u5851\u6027<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>\u8ffd\u6c42\u5353\u8d8a \u811a\u8e0f\u5b9e\u5730 \u81f4\u529b\u4e8e\u63a2\u7d22\u548c\u62d3\u5c55\u884c\u4e1a\u8bbe\u8ba1\u524d\u6cbf<\/strong><\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2017\/01\/QRCODE.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3636 alignnone\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2017\/01\/QRCODE.jpg\" alt=\"WeChat_QRCode\" width=\"250\" height=\"255\" \/><\/a><\/p>\n<p style=\"text-align: center;\">https:\/\/www.jdcui.com<\/p>\n<p style=\"text-align: center;\">\u5408\u4f5c\u53ca\u6280\u672f\u54a8\u8be2<\/p>\n<p style=\"text-align: center;\">COOPERATION &amp; CONTACT<\/p>\n<p style=\"text-align: center;\">E-mail\uff1ajidong_cui@163.com<\/p>\n<p style=\"text-align: center;\">WeChat &amp; Tel: 13450468449<\/p>\n<p style=\"text-align: center;\">\n","protected":false},"excerpt":{"rendered":"<p>\u5b9e\u5e72\u3001\u5b9e\u8df5\u3001\u79ef\u7d2f\u3001\u601d\u8003\u3001\u521b\u65b0\u3002 \u7a0b\u5e8f\u56fe\u6807\u00a0( Program Icon ) \u7a0b\u5e8f\u4ecb\u7ecd\u00a0( Program Introduction) \u7b80\u5355\u7684\u79bb\u6563\u5085\u91cc\u53f6\u53d8\u6362\uff08DFT\uff0cDiscrete Fourier Transform\uff09\u5206\u6790\u5de5\u5177\uff0c\u5bfc\u5165\u6570\u636e\uff0c\u8fdb\u884cDFT\u53d8\u5316\uff0c\u5e76\u83b7\u5f97\u9891\u7387Frequency\uff0c\u76f8\u4f4d\u8c31Fourier Phase\uff0c\u5e45\u503c\u8c31Fourier Amplitude\uff0c\u529f\u7387\u8c31 Power Spectrum\u7b49\u7ed3\u679c\u3002\u5e76\u53ef\u4efb\u610f\u7ec4\u5408\u9009\u5b9a\u9891\u7387\u6210\u5206\uff0c\u67e5\u770b\u7ec4\u5408\u7ed3\u679c\uff0c\u6ee4\u6ce2\u529f\u80fd (filtering)\u3002\u76f4\u89c2\u611f\u6027\u5730\u7406\u89e3\u5085\u91cc\u53f6\u53d8\u6362\u7684\u9b45\u529b\u3002\u5f53\u7136\uff0c\u8fd9\u4e2a\u4e1c\u897f\u4e5f\u53ef\u4ee5\u7528\u6765\u5206\u6790\u5730\u9707\u6ce2\u3002\uff08PS\u3002\u8d81\u7740\u5728\u5bb6\u81ea\u6211\u9694\u79bb\u7684\u65f6\u95f4\u5b66\u4e60\uff0c\u5e0c\u671b\u65b0\u578b\u51a0\u72b6\u75c5\u6bd2\u80ba\u708e\u75ab\u60c5\u65e9\u65e5\u88ab\u6218\u80dc\u3002\uff09 \u6848\u4f8b ( Examples ) [01] [\u6570\u5b66][\u8f6f\u4ef6] FOUR_TRAN Example 1: Filtering [FOUR_TRAN\u5085\u91cc\u53f6\u5206\u6790\u5de5\u5177\u4f7f\u7528\u6848\u4f8b1: \u6ee4\u6ce2] [02] [\u6570\u5b66][\u8f6f\u4ef6] &#8230;<\/p>\n","protected":false},"author":1,"featured_media":13903,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1476,4,31],"tags":[2260,2261,2268,2256,2269,2271,2259,2258,1291,2263,2262,3570,2270,2272,2267,2257,3572,3571,3573,2265,2266],"class_list":["post-13874","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-algorithm-","category-math-geometry","category-my-software-","tag-dft","tag-discrete-fourier-transform","tag-filtering","tag-four_tran","tag-fourier","tag-fourier-amplitude","tag-fourier-analysis","tag-fourier-transform","tag-frequency","tag-idft","tag-inverse-discrete-fourier-transform","tag-nyquist-frequency","tag-phase","tag-power-spectrum","tag-2267","tag-2257","tag-3572","tag-3571","tag-3573","tag-2265","tag-2266"],"aioseo_notices":[],"views":8078,"_links":{"self":[{"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/posts\/13874","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13874"}],"version-history":[{"count":0,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/posts\/13874\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/media\/13903"}],"wp:attachment":[{"href":"http:\/\/www.jdcui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13874"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}