{"id":335,"date":"2020-08-08T23:39:15","date_gmt":"2020-08-08T15:39:15","guid":{"rendered":"http:\/\/hk.khscience.cn\/docs\/?p=335"},"modified":"2023-11-16T22:10:55","modified_gmt":"2023-11-16T14:10:55","slug":"hilbert","status":"publish","type":"post","link":"https:\/\/www.khsci.com\/docs\/index.php\/2020\/08\/08\/hilbert\/","title":{"rendered":"\u5e0c\u5c14\u4f2f\u7279\u8c31\u3001\u8fb9\u9645\u8c31\u3001\u5305\u7edc\u8c31\u3001\u77ac\u65f6\u9891\u7387\/\u5e45\u503c\/\u76f8\u4f4d\u753b\u56fe"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u4ee3\u7801\u8fd0\u884c\u73af\u5883<\/h4>\n\n\n\n<p class=\"is-style-iw-2em\">\u5728\u4f7f\u7528\u8be5\u4ee3\u7801\u524d\uff0c\u8bf7\u52a1\u5fc5\u5b89\u88c5\u65f6\u9891\u57df\u5206\u6790\u5de5\u5177\u7bb1\u3002\uff08\u7136\u540e\u518d\u5728\u6587\u672b\u4e0b\u8f7d\u201c\u5e0c\u5c14\u4f2f\u7279\u8c31\u3001\u8fb9\u9645\u8c31\u3001\u5305\u7edc\u8c31\u3001\u77ac\u65f6\u9891\u7387\/\u5e45\u503c\/\u76f8\u4f4d\u753b\u56fe\u201d\u76f8\u5173\u4ee3\u7801\u5e76\u4f7f\u7528\uff09<\/p>\n\n\n\n<p class=\"is-style-iw-2em\"><a href=\"https:\/\/khsci.com\/docs\/index.php\/2020\/04\/09\/1\/\">\u5de5\u5177\u7bb1\u4e0b\u8f7d\u8def\u5f84\u5728\u8fd9\u91cc<\/a><\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u4e0b\u8f7d\u6587\u4ef6\u5e76\u89e3\u538b\uff0c\u6309\u7167\u6b65\u9aa4\u64cd\u4f5c\u5373\u53ef\u5b8c\u6210\u5de5\u5177\u7bb1\u5b89\u88c5\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u5df2\u6d4b\u8bd5MATLAB2016\/2018\/2019\uff0c\u5176\u4ed6MATLAB\u7248\u672c\u7406\u8bba\u4e0a\u4e5f\u53ef\u4ee5\u4f7f\u7528\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u63a8\u8350\u4f7f\u7528MATLAB2018a\u53ca\u66f4\u65b0\u7248\u672c\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u6587\u4ef6\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"is-style-iw-2em\"><strong>1.demoHHT.m<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u7528\u4e8e\u6d4b\u8bd5<strong>\u5e0c\u5c14\u4f2f\u7279\u8c31\u3001\u8fb9\u9645\u8c31\u3001\u5305\u7edc\u8c31\u3001\u77ac\u65f6\u9891\u7387\/\u5e45\u503c\/\u76f8\u4f4d<\/strong>\u529f\u80fd\u7684\u811a\u672c\u6587\u4ef6\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fd0\u884c\uff0c\u5176\u4e2d\u8c03\u7528\u4e86hhtSpec\u3001marginalSpec\u3001envSpec\u3001InsFPA\u3001pEMDandFFT\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\"><strong>2.hhtSpec.p<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u5c01\u88c5\u597d\u7684\u5e0c\u5c14\u4f2f\u7279\u8c31\u753b\u56fe\u7a0b\u5e8f\uff0cp\u6587\u4ef6\uff0c\u53ef\u4ee5\u8c03\u7528\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u51fd\u6570\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-matlab\">function [hsfull,f,t] = hhtSpec(data,fs,type)\n% \u7ed8\u5236\u4fe1\u53f7\u5e0c\u5c14\u4f2f\u7279\u8c31\n% \u8f93\u5165\uff1a\n% data\uff1a \u5f85\u5206\u6790\u4fe1\u53f7\n% fs\uff1a   \u91c7\u6837\u9891\u7387\uff0c\u5f53fs\u672a\u77e5\u65f6\uff0c\u53ef\u4ee5\u5c06fs\u8bbe\u7f6e\u4e3a\u7a7a\uff08[]\uff09\uff0c\u5e76\u5c06type\u8bbe\u7f6e\u4e3a2\u3002\u6b64\u65f6hht\u56fe\u7eb5\u8f74\u5c06\u7ecf\u8fc7\u6807\u51c6\u5316\n% type\uff1a \u5f53type\u7684\u503c\u4e3a1\u65f6\uff0c\u5219\u4f18\u5148\u91c7\u7528MATLAB\u81ea\u5e26\u5e93\u4e2d\u7684hht\u51fd\u6570\u8fdb\u884c\u753b\u56fe\uff0c\u91c7\u7528\u7684\u7ed8\u56fe\u98ce\u683c\u4e5f\u4e0e\u81ea\u5e26hht\u51fd\u6570\u4fdd\u6301\u4e00\u81f4\uff0c\u6b64\u65f6hht\u51fd\u6570\u7684\u7528\u6cd5\u4e0eMATLAB\u81ea\u5e26\u51fd\u6570\u4e00\u81f4\uff1b\n%        \u5f53type\u7684\u503c\u4e3a2\u65f6\uff0c\u5219\u5f3a\u5236\u91c7\u7528\u7b2c\u4e09\u65b9\u5e93\u6587\u4ef6\u4e2d\u7684\u5e0c\u5c14\u4f2f\u7279\u8c31\u51fd\u6570\u8fdb\u884c\u753b\u56fe\uff0c\u4e0d\u8fc7\u53ef\u80fd\u4f1a\u5b58\u5728\u5185\u5b58\u4e0d\u591f\u65e0\u6cd5\u987a\u5229\u753b\u56fe\u7684\u53ef\u80fd\n%        \u5982\u679ctype\u6ca1\u6709\u4f20\u5165\u53c2\u6570\uff0c\u5219\u8be5\u51fd\u6570\u5185\u5c06type\u8bbe\u7f6e\u4e3a1\n% \u8f93\u51fa\uff1a\n% hsfull\uff1a\u5e0c\u5c14\u4f2f\u7279\u53d8\u6362\u7ed3\u679c\uff0c\u5373\u77ac\u65f6\u5e45\u503c\n% f\uff1a\u9891\u7387\u8f74\u6570\u636e\n% t\uff1a\u65f6\u95f4\u8f74\u6570\u636e<\/code><\/pre>\n\n\n\n<p class=\"is-style-iw-2em\">\u753b\u56fe\u6548\u679c\u5982\u4e0b\uff08\u53c2\u8003\uff09\uff1a<\/p>\n\n\n\n<p class=\"is-style-iw-2em\">(1) \u5e0c\u5c14\u4f2f\u7279\u8c31\u4e8c\u7ef4\u56fe<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2020\/08\/045910fe5987dab2e98202178705981a.png\" alt=\"\"\/><\/figure><\/div>\n\n\n<p class=\"is-style-iw-2em\">(2) \u5e0c\u5c14\u4f2f\u7279\u8c31\u4e09\u7ef4\u56fe\uff08<span style=\"color:#ff6900\" class=\"tadv-color\">\u9700\u4f7f\u7528\u5b8c\u6574\u7248<\/span>\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"405\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2023\/03\/image-6.png\" alt=\"\" class=\"wp-image-2420\" srcset=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2023\/03\/image-6.png 525w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2023\/03\/image-6-300x231.png 300w\" sizes=\"(max-width: 525px) 100vw, 525px\" \/><\/figure>\n\n\n\n<p class=\"is-style-iw-2em\"><strong>3.marginalSpec.p<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u5c01\u88c5\u597d\u7684\u8fb9\u9645\u8c31\u8ba1\u7b97\u548c\u753b\u56fe\u7a0b\u5e8f\uff0c p\u6587\u4ef6\uff0c\u53ef\u4ee5\u8c03\u7528\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u51fd\u6570\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-matlab\">function [mgS,f] = marginalSpec(imf,fs,type)\n% \u7ed8\u5236\u8fb9\u9645\u8c31\n% \u8f93\u5165\uff1a\n% imf\uff1a  imf\u5206\u91cf\uff0c\u6ce8\u610f\u65b9\u5411\uff1aimf\u662f\u6bcf\u884c\u4e00\u4e2a\u4fe1\u53f7\u5206\u91cf\u7684\u77e9\u9635\n% fs\uff1a   \u91c7\u6837\u9891\u7387\n% type\uff1a \u5f53type\u7684\u503c\u4e3a1\u65f6\uff0c\u5219\u4f18\u5148\u91c7\u7528MATLAB\u81ea\u5e26\u5e93\u4e2d\u7684\u51fd\u6570\u8fdb\u884c\u8fd0\u7b97\uff1b\n%        \u5f53type\u7684\u503c\u4e3a2\u65f6\uff0c\u5219\u5f3a\u5236\u91c7\u7528\u7b2c\u4e09\u65b9\u5e93\u6587\u4ef6\u4e2d\u7684\u51fd\u6570\u8fdb\u884c\u8fd0\u7b97\uff0c\u4e0d\u8fc7\u53ef\u80fd\u4f1a\u5b58\u5728\u5185\u5b58\u4e0d\u591f\u65e0\u6cd5\u987a\u5229\u753b\u56fe\u7684\u53ef\u80fd\uff08\u6570\u7ec4\u8d85\u8fc7\u9884\u8bbe\u7684\u6700\u5927\u6570\u7ec4\u5927\u5c0f\uff09\n%        \u5982\u679ctype\u6ca1\u6709\u4f20\u5165\u53c2\u6570\uff0c\u5219\u8be5\u51fd\u6570\u5185\u5c06type\u8bbe\u7f6e\u4e3a1\n%        \u7ecf\u6d4b\u8bd5\uff0c\u4f7f\u7528\u4e24\u79cd\u5e93\u51fd\u6570\u505a\u51fa\u7684\u8fb9\u9645\u8c31\u5b58\u5728\u5e45\u503c\u5dee\u5f02\uff0c\u9891\u7387\u70b9\u57fa\u672c\u4e00\u81f4\n% \u8f93\u51fa\uff1a\n% mgS\uff1a  \u8fb9\u9645\u8c31\u5e45\u503c\u3002\n% f\uff1a    \u8fb9\u9645\u8c31\u7684\u9891\u7387\u8f74\u3002\n% \n% \u5178\u578b\u7528\u4f8b\uff1a\n% imf = kEMD(y);\n% marginalSpec(imf,fs);<\/code><\/pre>\n\n\n\n<p class=\"is-style-iw-2em\">\u753b\u56fe\u6548\u679c\u5982\u4e0b\uff08\u53c2\u8003\uff09\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2020\/08\/f95401ea79147c8449efcc9c575e2e09.png\" alt=\"\"\/><\/figure><\/div>\n\n\n<p class=\"is-style-iw-2em\"><strong>4.envSpec\uff08\u5b8c\u6574\u7248\u4e2d\u83b7\u53d6\uff09<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u5c01\u88c5\u597d\u7684\u5305\u7edc\u8c31\u8ba1\u7b97\u548c\u753b\u56fe\u7a0b\u5e8f\uff0c p\u6587\u4ef6\uff0c\u53ef\u4ee5\u8c03\u7528\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u51fd\u6570\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-matlab\">function [envS,f,xEnv] = envSpec(data,fs)\n% \u6c42\u4fe1\u53f7\u5305\u7edc\u8c31\n% \u8f93\u5165\uff1a\n% data\uff1a \u5f85\u5206\u6790\u4fe1\u53f7\n% fs\uff1a   \u91c7\u6837\u9891\u7387\n% \u8f93\u51fa\uff1a\n% envS\uff1a \u5305\u7edc\u8c31\u6570\u503c\n% f\uff1a    \u5305\u7edc\u8c31\u9891\u7387\u8f74\n% xEnv\uff1a \u5305\u7edc\u7ebf<\/code><\/pre>\n\n\n\n<p class=\"is-style-iw-2em\">\u753b\u56fe\u6548\u679c\u5982\u4e0b\uff08\u53c2\u8003\uff09\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2020\/08\/80e5fe4c44448b147b5befa342bac961.png\" alt=\"\"\/><\/figure><\/div>\n\n\n<p class=\"is-style-iw-2em\"><strong>5.InsFPA\uff08\u5b8c\u6574\u7248\u4e2d\u83b7\u53d6\uff09<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u5c01\u88c5\u597d\u7684\u77ac\u65f6\u9891\u7387\/\u5e45\u503c\/\u76f8\u4f4d\u8ba1\u7b97\u7a0b\u5e8f\uff0c p\u6587\u4ef6\uff0c\u53ef\u4ee5\u8c03\u7528\u3002\u6ca1\u6709\u5185\u7f6e\u7ed8\u56fe\u7a0b\u5e8f\uff0c\u5982\u9700\u753b\u56fe\u53ef\u4ee5\u53c2\u8003demoHHT.m\u6587\u4ef6\u4e2d\u7684\u5199\u6cd5\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u51fd\u6570\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-matlab\">function [insF,insP,insA] = InsFPA(data,fs)\n% \u6c42\u4fe1\u53f7\u7684\u77ac\u65f6\u9891\u7387\u3001\u77ac\u65f6\u76f8\u4f4d\u548c\u77ac\u65f6\u5e45\u503c\n% \u8f93\u5165\uff1a\n% data\uff1a \u76ee\u6807\u4fe1\u53f7\n% fs\uff1a   \u91c7\u6837\u9891\u7387\n% \u8f93\u51fa\uff1a\n% insF\uff1a \u77ac\u65f6\u9891\u7387\n% insP\uff1a \u77ac\u65f6\u76f8\u4f4d\n% insA\uff1a \u77ac\u65f6\u5e45\u503c<\/code><\/pre>\n\n\n\n<p class=\"is-style-iw-2em\"><strong>6.kEMD.p<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u6574\u5408\u7248EMD\u51fd\u6570\uff0c\u6574\u5408\u4e86G-Rilling\u5de5\u5177\u7bb1\u548cMATLAB\u81ea\u5e26\u5de5\u5177\u7bb1\u7684EMD\u5206\u89e3\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u9ed8\u8ba4\u8bbe\u7f6e\u4e0b\u6309\u7167MATLAB\u81ea\u5e26\u5e93\u8fdb\u884c\u3002\u7edf\u4e00\u8f93\u51fa\u683c\u5f0f\uff0c\u914d\u5408\u540e\u7eed\u5e0c\u5c14\u4f2f\u7279-\u9ec4\u53d8\u6362\u7b49\u8fd0\u7b97\u65e0\u7f1d\u8854\u63a5\u3002p\u6587\u4ef6\uff0c\u53ef\u4ee5\u8c03\u7528\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u51fd\u6570\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-matlab\">function imf = kEMD(data,type)\n% \u6574\u5408\u7248EMD\u51fd\u6570\uff0c\u6574\u5408\u4e86G-Rilling\u5de5\u5177\u7bb1\u548cMATLAB\u81ea\u5e26\u5de5\u5177\u7bb1\u7684EMD\u5206\u89e3\u65b9\u6cd5\n% \u9ed8\u8ba4\u8bbe\u7f6e\u4e0b\u6309\u7167MATLAB\u81ea\u5e26\u5e93\u8fdb\u884c\n% \u5e76\u4e14\u7edf\u4e00\u8f93\u51fa\u683c\u5f0f\uff0c\u914d\u5408\u540e\u7eed\u8fdb\u884c\u5e0c\u5c14\u4f2f\u7279-\u9ec4\u53d8\u6362\u7b49\u65e0\u7f1d\u8854\u63a5\n% \u8f93\u5165\uff1a\n% data\uff1a\u5f85\u5206\u89e3\u7684\u6570\u636e\n% type\uff1a \u5982\u679ctype\u6ca1\u6709\u4f20\u5165\u53c2\u6570\uff0c\u4f8b\u5982\u8c03\u7528\u65f6\u4e3akEMD(data)\uff0c\u5219\u8be5\u51fd\u6570\u5185\u5c06type\u8bbe\u7f6e\u4e3a1\n%        \u5f53type\u7684\u503c\u4e3a1\u65f6\uff0c\u5219\u4f18\u5148\u91c7\u7528MATLAB\u81ea\u5e26\u5e93\u4e2d\u7684\u51fd\u6570\u8fdb\u884c\u5206\u89e3\uff0c\u6b64\u65f6emd\u51fd\u6570\u7684\u7528\u6cd5\u4e0eMATLAB\u81ea\u5e26\u51fd\u6570\u4e00\u81f4\uff1b\n%        \u5f53type\u7684\u503c\u4e3a2\u65f6\uff0c\u5219\u5f3a\u5236\u91c7\u7528\u7b2c\u4e09\u65b9\u5e93\u6587\u4ef6\u4e2d\u7684\u51fd\u6570\u8fdb\u884c\u5206\u89e3\n% \u8f93\u51fa\uff1a\n% imf\uff1a\u5185\u6db5\u6a21\u6001\u5206\u91cf\uff0c\u7edf\u4e00\u4e3an*m\u683c\u5f0f\uff0c\u5176\u4e2dn\u4e3a\u6a21\u6001\u6570\uff0cm\u4e3a\u6570\u636e\u70b9\u6570\u3002\u4f8b\u5982 imf(1,:)\u5373IMF1\uff0cimf(emd,:)\u5373\u4e3a\u6b8b\u5dee\n\n% \u6ce8\u610f\uff1a\u4f7f\u7528\u4e24\u79cd\u5e93\u6240\u5f97\u5230\u7684imf\u7ed3\u679c\u4f1a\u5b58\u5728\u5dee\u5f02\uff0c\u8fd9\u662f\u7531\u4e24\u4e2a\u5e93\u81ea\u8eab\u7b97\u6cd5\u5dee\u5f02\u5bfc\u81f4\u7684\uff0c\u5c5e\u4e8e\u6b63\u5e38\u73b0\u8c61\u3002\n% \u6709\u4f59\u529b\u7684\u540c\u5b66\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u8981\u4fee\u6539\u4e0b\u8ff0\u4ee3\u7801\n% \u4f8b\u5982\u5f53type\u8bbe\u7f6e\u4e3a1\u65f6\uff0cmat_emd\u7684\u8f93\u5165\u53c2\u6570\u53ef\u4ee5\u5b8c\u5168\u53c2\u7167\u4e0b\u8ff0\u6587\u6863\u8fdb\u884c\u8bbe\u7f6e\uff1ahttps:\/\/ww2.mathworks.cn\/help\/signal\/ref\/emd.html?s_tid=srchtitle\n% \u6bd4\u5982\u8bbe\u7f6e\u6700\u5927IMF\u6570\u4e3a5\uff0c\u5219\u2460\u884c\u7684\u4ee3\u7801\u53ef\u4ee5\u5199\u4e3a\uff1aimf = mat_emd(data,&#039;MaxNumIMF&#039;,5)&#039;;\n\n% \u6ce8\u610f\uff1a\u5728\u4f7f\u7528\u8be5\u4ee3\u7801\u4e4b\u524d\uff0c\u8bf7\u52a1\u5fc5\u5b89\u88c5\u5de5\u5177\u7bb1\uff1ahttps:\/\/khsci.com\/docs\/index.php\/2020\/04\/09\/1\/<\/code><\/pre>\n\n\n\n<p class=\"is-style-iw-2em\"><strong>7.pEMDandFFT.p<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u5c01\u88c5\u597d\u7684\u753b\u56fe\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u7ed8\u5236\u51fa\u4fe1\u53f7EMD\u5206\u89e3\u4e0e\u5404IMF\u5206\u91cf\u9891\u8c31\u5bf9\u7167\u56fe\u3002\u753b\u56fe\u6548\u679c\u5982\u4e0b\uff08\u53c2\u8003\uff09\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2020\/08\/2ef16be15bd5ad9f36c90191f767e576.png\" alt=\"\"\/><\/figure><\/div>\n\n\n<p class=\"is-style-iw-2em\"><strong>8.pEMD\uff08\u5b8c\u6574\u7248\u4e2d\u83b7\u53d6\uff09<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u5c01\u88c5\u597d\u7684EMD\u5206\u89e3\u753b\u56fe\u7a0b\u5e8f\uff08\u4e0d\u753b\u9891\u8c31\u56fe\uff09\uff0c\u8be5\u7a0b\u5e8f\u5728<strong>demoHHT<\/strong>\u4e2d\u672a\u7528\u5230\u3002\u753b\u56fe\u6548\u679c\u5982\u4e0b\uff08\u53c2\u8003\uff09\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2020\/08\/d3723da0c5d0ae138800da820102e024.png\" alt=\"\"\/><\/figure><\/div>\n\n\n<p class=\"is-style-iw-2em\"><strong>9.pFFT.p<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u5c01\u88c5\u597d\u7684fft\u8ba1\u7b97\u7a0b\u5e8f\uff0c\u5728pEMDandFFT.m\u4e2d\u8c03\u7528\uff0c\u4e00\u822c\u4e0d\u9700\u8981\u4fee\u6539\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5e38\u89c1\u95ee\u9898<\/h4>\n\n\n\n<p class=\"is-style-iw-2em\">\u6682\u65e0<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u5173\u4e8e\u5b8c\u6574\u7248\u4e0e\u516c\u5f00\u7248\u4ee3\u7801<\/h4>\n\n\n\n<p class=\"is-style-iw-2em\"><span style=\"font-family: \u6977\u4f53; font-size: 14pt;\">\u516c\u5f00\u7248\u4ee3\u7801\u7684\u51fd\u6570\u6587\u4ef6\u4e3ap\u6587\u4ef6\uff0c\u53ef\u4ee5\u88ab\u8c03\u7528\uff0c\u4f46\u65e0\u6cd5\u67e5\u770b\u4ee3\u7801\u3002\u5b8c\u6574\u7248\u4ee3\u7801\u4e2d\u5168\u90e8\u4e3am\u6587\u4ef6\uff0cm\u6587\u4ef6\u53ef\u4ee5\u67e5\u770b\u6e90\u7801\u5e76\u81ea\u7531\u4fee\u6539\u3002<\/span><\/p>\n\n\n\n<p class=\"is-style-iw-2em\"><span style=\"font-family: \u6977\u4f53; font-size: 14pt;\">\u5982\u679c\u9700\u8981\u5c01\u88c5\u597d\u7684<strong>\u5e0c\u5c14\u4f2f\u7279\u8c31\u3001\u8fb9\u9645\u8c31\u3001\u5305\u7edc\u8c31\u3001\u77ac\u65f6\u9891\u7387\/\u5e45\u503c\/\u76f8\u4f4d<\/strong>\u529f\u80fd\u51fd\u6570\uff08<strong>hhtSpec.m\u3001marginalSpec.m\u3001envSpec.m\u3001 InsFPA.m\u3001kEMD.m\u3001pEMDandFFT.m\u3001pEMD.m\u548cFb_FFT.m<\/strong>\uff09\u7684\u65e0\u6c34\u5370\u6e90\u7801\uff0c\u53ef\u5728\u4e0b\u8ff0\u8fde\u63a5\u83b7\u53d6\u3002<\/span><\/p>\n\n\n\n<p class=\"is-style-iw-2em\"><span style=\"font-family: \u6977\u4f53; font-size: 14pt;\">\u6b64\u5916\u5982\u679c\u60f3\u8981\u5f97\u5230\u5305\u7edc\u8c31\u548c\u8fb9\u9645\u8c31\u7684\u8ba1\u7b97\u7ed3\u679c\u6570\u503c\u4e5f\u9700\u8981\u8d2d\u4e70\u5b8c\u6574\u7248\u4ee3\u7801\u54e6~<\/span><\/p>\n\n\n\n<p class=\"is-style-iw-2em\"><span style=\"font-family: \u6977\u4f53; font-size: 14pt;\">\u7f16\u7a0b\u4e0d\u6613\uff0c\u611f\u8c22\u652f\u6301~<\/span><\/p>\n\n\n\n<p class=\"is-style-iw-2em\"><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u529f\u80fd<\/td><td>\u516c\u5f00\u7248<\/td><td>\u5b8c\u6574\u7248<\/td><\/tr><tr><td>demoHHT\u6e90\u7801\u2014\u2014\u7528\u4e8e\u6d4b\u8bd5\u5404\u51fd\u6570\u6587\u4ef6<\/td><td>\u221a<\/td><td>\u221a<\/td><\/tr><tr><td>hhtSpec\u2014\u2014\u5e0c\u5c14\u4f2f\u7279\u8c31\u753b\u56fe\u7a0b\u5e8f<\/td><td>\u4e8c\u7ef4\u56fe<\/td><td>\u4e8c\u7ef4\u56fe+\u4e09\u7ef4\u56fe<\/td><\/tr><tr><td>marginalSpec\u2014\u2014\u8fb9\u9645\u8c31\u8ba1\u7b97\u548c\u753b\u56fe\u7a0b\u5e8f<\/td><td>&nbsp;p*<\/td><td>m*<\/td><\/tr><tr><td>kEMD\u2014\u2014\u6574\u5408\u7248EMD\u51fd\u6570\uff0c\u6574\u5408\u4e86G-Rilling\u5de5\u5177\u7bb1\u548cMATLAB\u81ea\u5e26\u5de5\u5177\u7bb1\u7684EMD\u5206\u89e3\u65b9\u6cd5<br><\/td><td>&nbsp;p*<\/td><td>m*<\/td><\/tr><tr><td>pEMDandFFT\u2014\u2014\u7ed8\u5236\u4fe1\u53f7EMD\u5206\u89e3\u4e0e\u5404IMF\u5206\u91cf\u9891\u8c31\u5bf9\u7167\u56fe<br><\/td><td>&nbsp;p*<\/td><td>m*<\/td><\/tr><tr><td>pFFT\u2014\u2014\u5c01\u88c5\u597d\u7684fft\u8ba1\u7b97\u7a0b\u5e8f\uff0c\u5728pEMDandFFT\u4e2d\u8c03\u7528<br><\/td><td>&nbsp;p*<\/td><td>m*<\/td><\/tr><tr><td>envSpec\u2014\u2014\u5305\u7edc\u8c31\u8ba1\u7b97\u548c\u753b\u56fe\u7a0b\u5e8f<br><\/td><td>\u00d7<\/td><td>m*<\/td><\/tr><tr><td>InsFPA\u2014\u2014\u77ac\u65f6\u9891\u7387\/\u5e45\u503c\/\u76f8\u4f4d\u8ba1\u7b97<br><\/td><td>\u00d7<\/td><td>m*<\/td><\/tr><tr><td>pEMD\u2014\u2014EMD\u5206\u89e3\u753b\u56fe\u7a0b\u5e8f\uff08\u4e0d\u753b\u9891\u8c31\u56fe\uff09<br><\/td><td>\u00d7<\/td><td>m*<\/td><\/tr><tr><td>-\u4e30\u5bcc\u7684<strong>\u6e90\u7801\u6ce8\u91ca<\/strong>\uff0c\u65b9\u4fbf\u5b66\u4e60\u4e0e\u4ee3\u7801\u6539\u9020\u3002&nbsp;-\u7ecf\u8fc7\u52d8\u8bef\u7684\u8ba1\u7b97\u6d41\u7a0b\uff0c\u53ef\u7528\u6027\u5f3a<\/td><td>\u00d7<\/td><td>\u221a<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\"><strong>*p\u6587\u4ef6\u53ef\u4ee5\u88ab\u8c03\u7528\uff0c\u4f46\u65e0\u6cd5\u67e5\u770b\u4ee3\u7801\uff0cm\u6587\u4ef6\u53ef\u4ee5\u67e5\u770b\u6e90\u7801\u5e76\u81ea\u7531\u4fee\u6539<\/strong><\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"-7ef34b55-243b-4acc-9409-83ad479ab34d\"><strong>\u4e94\u3001\u83b7\u53d6\u516c\u5f00\u7248\u7a0b\u5e8f\uff08\u9700\u4f7f\u7528\u7535\u8111\u6d4f\u89c8\u5668\u6253\u5f00\uff09<\/strong><\/h4>\n\n\n\n<div class=\"wpfd-single-file\">\n\n    <div class=\"wpfd-single-file--details wpfd-file-content\">\n                <h3 class=\"wpfd-file-content--title\">Hilberts\u516c\u5f00\u7248\u4ee3\u7801V4<\/h3>\n        <div class=\"wpfd-file-content--meta\">\n                    <div>\u6587\u4ef6\u5c3a\u5bf8: 486.94 KB<\/div>\n                    <div>\u66f4\u65b0: 18-06-2023<\/div>\n        <\/div>\n    <\/div>\n    <div class=\"wpfd-single-file--buttons\">\n                <a href=\"https:\/\/www.khsci.com\/docs\/index.php\/download\/6\/%e6%96%b0%e5%88%86%e7%b1%bb\/2766\/hilberts%e5%85%ac%e5%bc%80%e7%89%88%e4%bb%a3%e7%a0%81v4.zip\"  data-id=\"2766\" title=\"Hilberts\u516c\u5f00\u7248\u4ee3\u7801V4\" class=\"noLightbox wpfd_downloadlink wpfd-single-file-button wpfd-button-download\">\n                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"36\" height=\"36\" viewBox=\"0 0 400 400\"><g fill=\"#ffffff\"><path d=\"M200 400H26c-18 0-26-9-26-27v-73c0-16 9-25 24-25h105a14 14 0 018 4l28 28c21 21 48 21 69 0l28-29a13 13 0 018-3h106c14 0 24 9 24 23v79c0 14-10 23-25 23H200zm155-63c-9 0-17 8-17 16a15 15 0 0015 16c9 0 17-7 17-16a16 16 0 00-15-16zm-47 16c0-9-7-16-16-16a16 16 0 00-15 16c0 9 6 16 15 16s16-7 16-16zM245 127h55a56 56 0 017 0c7 0 11 4 13 10 3 6 1 11-3 16l-43 45-62 63c-8 9-17 9-25 1L83 154c-5-5-6-11-4-18 3-7 9-9 15-9h61v-9-99c0-14 5-19 17-19h55c13 0 18 5 18 19v99z\"\/><\/g><\/svg>\n                    <span>\u4e0b\u8f7d<\/span>\n                <\/a>\n    <\/div>\n<\/div>\n\n\n\n\n<p class=\"is-style-iw-2em\">\u6ce8\uff1a\u516c\u5f00\u7248\u4ee3\u7801\u9700\u4f7f\u7528MATLAB2022a\u53ca\u4ee5\u4e0a\u7248\u672c<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u4e94\u3001\u83b7\u53d6\u7a0b\u5e8f\uff08\u9700\u4f7f\u7528\u7535\u8111\u6d4f\u89c8\u5668\u6253\u5f00\uff09\">\u516d\u3001\u83b7\u53d6\u5b8c\u6574\u7248\u7a0b\u5e8f\uff08\u4f7f\u7528\u7535\u8111\u6d4f\u89c8\u5668\u6216\u8005\u624b\u673a\u6d4f\u89c8\u5668\u6253\u5f00\uff09<\/h4>\n\n\n\n<p class=\"is-style-iw-2em\"> <strong>\u83b7\u53d6\u901a\u9053\u4e00\uff08\u6dd8\u5b9d\uff09\uff1a<\/strong><a href=\"https:\/\/item.taobao.com\/item.htm?spm=a1z10.5-c-s.w4002-24055037831.11.63642edaxfUIRd&amp;id=642855167993\">\u70b9\u51fb\u6b64\u5904\u83b7\u53d6\u5b8c\u6574\u7248\u7a0b\u5e8f<\/a><\/p>\n\n\n\n<p class=\"is-style-iw-2em\"><strong>\u83b7\u53d6\u901a\u9053\u4e8c\uff08\u672c\u9875\u9762\uff09\uff1a<\/strong>\u70b9\u51fb\u4e0b\u9762\u201c<span style=\"color: #0000ff;\">\u7acb\u5373\u652f\u4ed8<\/span>\u201d\u6309\u94ae\uff0c\u4ed8\u6b3e\u540e\u83b7\u53d6\u5b8c\u6574\u7248\u4ee3\u7801\u4e0b\u8f7d\u94fe\u63a5\u548c\u552e\u540e\u8054\u7cfb\u65b9\u5f0f~\u672c\u901a\u9053\u5904\u4e8e\u6d4b\u8bd5\u9636\u6bb5\uff0c\u4f7f\u7528\u8be5\u901a\u9053\u53ef\u4ee5\u989d\u5916\u4f18\u60e0\uff08\u4ec5\u970063\u5143\uff09\u3002<strong>\u4ed8\u6b3e\u5b8c\u6210\u540e\u5237\u65b0\u4e00\u4e0b\u672c\u9875\u9762\u5373\u53ef\u770b\u5230\u4e0b\u8f7d\u94fe\u63a5\u3002<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\"><span style=\"color: #ff9900;\">\uff08\u6ce8\u610f\u652f\u4ed8\u8df3\u8f6c\u5931\u8d25\u7684\u8bdd\uff0c\u8bf7\u4f7f\u7528\u6d4f\u89c8\u5668\u6253\u5f00\u672c\u9875\u9762\uff09<\/span><\/p>\n\n\n<p><p><div class=\"erphp-wppay\">\n\t\t\t\t\u60a8\u9700\u8981\u5148\u652f\u4ed8 <b>63\u5143<\/b> \u624d\u80fd\u67e5\u770b\u6b64\u5904\u5185\u5bb9\uff01<a href=\"javascript:;\" class=\"erphp-wppay-loader\" 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