{"id":3583,"date":"2024-07-29T22:21:34","date_gmt":"2024-07-29T14:21:34","guid":{"rendered":"http:\/\/khsci.com\/docs\/?p=3583"},"modified":"2024-10-26T20:43:55","modified_gmt":"2024-10-26T12:43:55","slug":"emdspy","status":"publish","type":"post","link":"https:\/\/www.khsci.com\/docs\/index.php\/2024\/07\/29\/emdspy\/","title":{"rendered":"\u201c\u7c7bEMD\u201d\u5206\u89e37\u54081\u753b\u56fe\u5de5\u5177\uff08python\uff09"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote\">\n<p>\u8fd9\u662f\u5728python\u73af\u5883\u4e0b\u8fdb\u884cEMD\uff0cEEMD\uff0cCEEMD\uff0cCEEMDAN\uff0cICEEMDAN\uff0cEWT\uff0cVMD\u8fd97\u79cd\u6a21\u6001\u5206\u89e3\u65b9\u6cd5\u7684\u5408\u96c6\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\u5feb\u901f\u5b9e\u73b0\u6a21\u6001\u5206\u89e3\u3001\u5206\u89e3\u56fe\u7ed8\u5236\u3001\u5206\u89e3\u53ca\u9891\u8c31\u56fe\u7ed8\u5236<\/p>\n\n\n\n<p>\u8be5\u7a0b\u5e8f\u662f<a href=\"https:\/\/khsci.com\/docs\/index.php\/2024\/06\/27\/emds\/\">MATLAB\u5b9e\u73b0\u7c7bEMD\u5206\u89e37\u54081\u753b\u56fe\u5de5\u5177<\/a>\u7684\u59ca\u59b9\u7bc7\uff0c\u4e24\u8005\u5b9e\u73b0\u7684\u529f\u80fd\u5927\u4f53\u4e00\u81f4<\/p>\n\n\n\n<p>\u4ee3\u7801\u63d0\u4f9b\u4e86\u4e0d\u540c\u6a21\u6001\u5206\u89e3\u65b9\u6cd5\u7684\u6f14\u793a\u6848\u4f8b\u3002<\/p>\n\n\n\n<p>\u540c\u5b66\u4eec\u9700\u8981\u505a\u7684\u57fa\u672c\u53ea\u9700\u8981\u66ff\u6362\u6389\u9700\u8981\u5206\u89e3\u7684\u6570\u636e\u5373\u53ef\uff0c\u975e\u5e38\u7b80\u5355\u6613\u7528\u3002<\/p>\n\n\n\n<p>\u81f4\u529b\u4e8e\u5b9e\u73b0\u4f18\u8d28\u3001\u6613\u7528\u7684\u7a0b\u5e8f\uff0c\u5e2e\u52a9\u7814\u7a76\u4eba\u5458\u5feb\u901f\u5b9e\u73b0\u76ee\u7684<\/p>\n<\/blockquote>\n\n\n         <style>\r\n             #player69fa30532ebee.h5vp_player { widthborder-radius overflow: hidden; }        <\/style>\r\n        <div id=\"h5vp_player\">\r\n            <div id=\"player69fa30532ebee\" class=\"h5vp_player h5vp_player_initializer\" data-settings=\"{&quot;options&quot;:{&quot;controls&quot;:[&quot;play-large&quot;,&quot;rewind&quot;,&quot;play&quot;,&quot;fast-forward&quot;,&quot;progress&quot;,&quot;current-time&quot;,&quot;mute&quot;,&quot;volume&quot;,&quot;settings&quot;,&quot;fullscreen&quot;],&quot;loop&quot;:{&quot;active&quot;:false},&quot;muted&quot;:false,&quot;hideControls&quot;:true,&quot;autoplay&quot;:false,&quot;tooltips&quot;:{&quot;controls&quot;:true,&quot;seek&quot;:true},&quot;resetOnEnd&quot;:true,&quot;captions&quot;:{&quot;active&quot;:true,&quot;update&quot;:true}},&quot;infos&quot;:{&quot;source&quot;:&quot;https:\\\/\\\/khscience.vip:555\\\/wp-content\\\/uploads\\\/2024\\\/08\\\/EMDs_py_x264.mp4&quot;,&quot;poster&quot;:false,&quot;id&quot;:0}}\">\r\n                <video controls playsinline poster=\"\"  >\r\n                    <source src=\"https:\/\/khscience.vip:555\/wp-content\/uploads\/2024\/08\/EMDs_py_x264.mp4\" type=\"video\/mp4\">\r\n                    Your browser does not support the video tag.\r\n                <\/video>\r\n            <\/div>\r\n        <\/div>\r\n        \n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-1 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100 has-custom-font-size is-style-outline has-small-font-size\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.bilibili.com\/video\/BV1iK14YXEAk\/?vd_source=5e65959f8a047340cb194f5cc1d54eb4\" target=\"_blank\" rel=\"noreferrer noopener\">\u89c6\u9891\u5907\u7528\u5730\u5740<\/a><\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u4ee3\u7801\u8fd0\u884c\u73af\u5883<\/h4>\n\n\n\n<p>\u5df2\u6d4b\u8bd5python3.9\uff0c\u7406\u8bba\u4e0a\u5176\u4ed6python3.X\u53ef\u4ee5\u4f7f\u7528\uff0cpython2.X\u4e0d\u80fd\u4f7f\u7528\uff08<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">\u8bd5\u7528\u7248\u4ee3\u7801\u9700\u8981\u4f7f\u7528python3.11<\/mark>\uff09<\/p>\n\n\n\n<p>\u4f9d\u8d56\u5305\u5305\u62ec\uff1aPyEMD\u3001numpy\u3001Matplotlib\u3001ewtpy<\/p>\n\n\n\n<p>\u5728\u8fd0\u884c\u7a0b\u5e8f\u524d\uff0c\u8bf7\u786e\u4fdd\u5728\u5f53\u524dpython\u73af\u5883\u4e0b\u5b89\u88c5\u4e86\u4e0a\u8ff0\u5305\uff0c\u547d\u4ee4\u884c\u7684\u5b89\u88c5\u6307\u4ee4\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-shell\">pip install EMD-signal\npip install numpy\npip install Matplotlib\npip install ewtpy<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u7a0b\u5e8f\u4ecb\u7ecd<\/h4>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"251\" height=\"182\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image.png\" alt=\"\" class=\"wp-image-3587\" style=\"width:149px;height:auto\"\/><figcaption class=\"wp-element-caption\">\u7a0b\u5e8f\u6587\u4ef6<\/figcaption><\/figure><\/div>\n\n\n<h5 class=\"wp-block-heading\"><span style=\"color:#ff6900\" class=\"tadv-color\">1.demoEMD.py<\/span><\/h5>\n\n\n\n<p>\u7528\u4e8e\u6d4b\u8bd5\u201d\u7c7bEMD\u201d\u5206\u89e3\u529f\u80fd\u7684\u811a\u672c\u6587\u4ef6\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fd0\u884c\uff0c\u5176\u4e2d\u8c03\u7528\u4e86pEMDs\u548cpEMDsandFFT\u3002\u5176\u4e2d\u6f14\u793a\u4e86\u4f7f\u7528EMD\u3001EEMD\u3001CEEMD\u3001CEEMDAN\u3001ICEEMDAN\u3001EWT\u548cVMD\u7b497\u79cd\u201d\u7c7bEMD\u201d\u65b9\u6cd5\u5bf9\u8f93\u5165\u4fe1\u53f7\u8fdb\u884c\u5206\u89e3\uff0c\u5e76\u7ed8\u5236\u5206\u89e3\u56fe\uff08\u5305\u62ec\u4e8c\u7ef4\u548c\u4e09\u7ef4\uff09\u3001\u91cd\u6784\u8bef\u5dee\u56fe\u548c\u5206\u89e3\u7ed3\u679c\u53ca\u5176\u9891\u8c31\u56fe\u3002<\/p>\n\n\n\n<p>\u8fd0\u884c\u8be5\u6587\u4ef6\uff0c\u5c06\u7ed8\u5236\u4ee5\u4e0b\u56fe\u7247\uff08\u4ee5EMD\u5206\u89e3\u4e3a\u4f8b\uff0c\u5b9e\u9645\u6bcf\u79cd\u5206\u89e3\u65b9\u6cd5\u90fd\u4f1a\u7ed8\u5236\u56fe\u7247\uff09\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"599\" height=\"611\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-1.png\" alt=\"\" class=\"wp-image-3588\" style=\"width:415px;height:auto\" srcset=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-1.png 599w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-1-294x300.png 294w\" sizes=\"(max-width: 599px) 100vw, 599px\" \/><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"548\" height=\"465\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-2.png\" alt=\"\" class=\"wp-image-3589\" srcset=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-2.png 548w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-2-300x255.png 300w\" sizes=\"(max-width: 548px) 100vw, 548px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-cyan-bluish-gray-color has-text-color\">EMD\u5206\u89e3\u56fe\uff0c\u7ed8\u5236\u5404\u4e2aIMF\u5206\u91cf<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"631\" height=\"464\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-3.png\" alt=\"\" class=\"wp-image-3590\" srcset=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-3.png 631w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-3-300x221.png 300w\" sizes=\"(max-width: 631px) 100vw, 631px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center\"><span style=\"color:#abb8c3\" class=\"tadv-color\">EMD\u5206\u89e3\u53ca\u5bf9\u5e94\u9891\u8c31\u56fe<\/span><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"644\" height=\"307\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-4.png\" alt=\"\" class=\"wp-image-3591\" srcset=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-4.png 644w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-4-300x143.png 300w\" sizes=\"(max-width: 644px) 100vw, 644px\" \/><figcaption class=\"wp-element-caption\">EMD\u5206\u89e3\u91cd\u6784\u8bef\u5dee<\/figcaption><\/figure><\/div>\n\n\n<p>\u53e6\u5916\u5728\u547d\u4ee4\u884c\u7a97\u53e3\u5c06\u4f1a\u6253\u5370\u5404\u79cd\u7b97\u6cd5\u7684\u8fd0\u884c\u65f6\u95f4\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"520\" height=\"175\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-5.png\" alt=\"\" class=\"wp-image-3592\" style=\"width:300px;height:auto\" srcset=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-5.png 520w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-5-300x101.png 300w\" sizes=\"(max-width: 520px) 100vw, 520px\" \/><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\"><span style=\"color:#ff6900\" class=\"tadv-color\">2.funEMDs.py(\u8bd5\u7528\u7248\u4ee3\u7801\u4e2d\u4e3afunEMDs.pyd)<\/span><\/h5>\n\n\n\n<p>\u96c6\u5408\u4e86kEMDs\u3001pEMDs\u3001pEMDsandFFT\u7b49\u65b9\u6cd5\uff0c\u5177\u4f53\u5b9e\u73b0PyEMDs\u51fd\u6570\u8c03\u7528\u5b9e\u73b0\u5206\u89e3\u4ee5\u53ca\u753b\u56fe\u7b49\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u8fd9\u51e0\u79cd\u65b9\u6cd5\u4ecb\u7ecd\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">kEMDs\uff1a<\/mark><\/strong>\u6574\u5408\u7248\u201d\u7c7bEMD\u201d\u5206\u89e3\u51fd\u6570\uff0c\u8c03\u7528\u8be5\u51fd\u6570\u4f1a\u6267\u884c\u5206\u89e3\uff0c\u4e0d\u753b\u56fe\u3002\u8be5\u6587\u4ef6\u4e3a\u51fd\u6570\u6587\u4ef6\uff0c\u53ef\u4ee5\u8c03\u7528\uff0c\u4e0d\u53ef\u4ee5\u76f4\u63a5\u8fd0\u884c\u3002\u8be5\u51fd\u6570\u6587\u4ef6\u5728pEMDs\u548cpEMDsandFFT\u6587\u4ef6\u4e2d\u8c03\u7528\u3002\u8fd9\u4e2a\u6587\u4ef6\u4e2d\u5b9e\u73b0\u4e867\u79cd\u201d\u7c7bEMD\u201d\u4fe1\u53f7\u5206\u89e3\u65b9\u6cd5(EMD\u3001EEMD\u3001CEEMD\u3001CEEMDAN\u3001ICEEMDAN\u3001EWT\u3001VMD)\u7684\u5c01\u88c5\uff0c\u5c5e\u4e8e\u504f\u5e95\u5c42\u7684\u51fd\u6570\u3002<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\"><strong>pEMDs<\/strong>\uff1a<\/mark>\u6574\u5408\u7248\u201d\u7c7bEMD\u201d\u5206\u89e3\u51fd\u6570,\u8c03\u7528\u8be5\u51fd\u6570\u5c06\u4f1a\u5206\u89e3\u5e76\u753b\u56fe(\u6a21\u6001\u5206\u89e3\u56fe\uff0c\u65e0\u9891\u8c31)\uff0c\u4f1a\u7ed8\u5236\u91cd\u6784\u8bef\u5dee\u56fe\u3002\u8be5\u6587\u4ef6\u4e3a\u51fd\u6570\u6587\u4ef6\uff0c\u53ef\u4ee5\u8c03\u7528\uff0c\u4e0d\u80fd\u76f4\u63a5\u8fd0\u884c\u3002<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\"><strong>pEMDsandFFT<\/strong>\uff1a<\/mark>\u5177\u4f53\u5305\u542b\u7684\u65b9\u6cd5\u6709\uff1a\u7ed8\u5236\u4fe1\u53f7\u6a21\u6001\u5206\u89e3\u4e0e\u5404IMF\u5206\u91cf\u9891\u8c31\u5bf9\u7167\u56fe\uff0c\u4e5f\u4f1a\u7ed8\u5236\u91cd\u6784\u8bef\u5dee\u56fe\u3002<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-python\">def kEMDs(data, FsOrT, methodSel, options=None):\n    &quot;&quot;&quot;\n    \u4f7f\u7528\u9009\u5b9a\u7684\u4fe1\u53f7\u5206\u89e3\u65b9\u6cd5\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u89e3\u3002\n    \n    \u53c2\u6570:\n    - data: \u8981\u5206\u89e3\u7684\u4e00\u7ef4\u6570\u636e\u3002\n    - FsOrT: \u91c7\u6837\u9891\u7387\u6216\u91c7\u6837\u65f6\u95f4\u5411\u91cf\uff0c\u5982\u679c\u4e3a\u91c7\u6837\u9891\u7387\uff0c\u8be5\u53d8\u91cf\u8f93\u5165\u5355\u4e2a\u503c\uff1b\u5982\u679c\u4e3a\u65f6\u95f4\u5411\u91cf\uff0c\u8be5\u53d8\u91cf\u4e3a\u4e0ey\u76f8\u540c\u957f\u5ea6\u7684\u4e00\u7ef4\u5411\u91cf\u3002\u5982\u679c\u672a\u77e5\u91c7\u6837\u9891\u7387\uff0c\u53ef\u8bbe\u7f6e\u4e3a1\n    - methodSel: \u9009\u62e9\u7684\u5206\u89e3\u65b9\u6cd5,\u53ef\u9009\u503c\u4e3a&#039;EMD&#039;,&#039;EEMD&#039;,&#039;CEEMD&#039;,&#039;CEEMDAN&#039;,&#039;ICEEMDAN&#039;,&#039;EWT&#039;,&#039;VMD&#039;\u3002\n    - options: \u4e00\u4e2a\u5305\u542b\u5206\u89e3\u65b9\u6cd5\u7279\u5b9a\u9009\u9879\u7684\u5b57\u5178\u3002\n                - &#039;MaxNumIMFs&#039;\uff1a\u6700\u5927\u7684IMF\u6570\u91cf\uff0c\u5728EMD\u548cEWT\u4e2d\u53ef\u9009\u8bbe\u7f6e\uff0c\u8fd9\u4e2a\u6570\u91cf\u4e2d\u5305\u542b\u8d8b\u52bf\u9879\n                - &#039;Nstd&#039;: \u9644\u52a0\u566a\u58f0\u6807\u51c6\u5dee\u4e0e\u6570\u636e\u6807\u51c6\u5dee\u4e4b\u6bd4,\u9ed8\u8ba4\u4e3a0.2\u3002\n                - &#039;NE&#039;: \u5bf9\u4fe1\u53f7\u7684\u5e73\u5747\u6b21\u6570,\u9ed8\u8ba4\u4e3a100\u3002\n                - &#039;MaxIter&#039;: \u6700\u5927\u8fed\u4ee3\u6b21\u6570,\u9ed8\u8ba4\u4e3a1000\u3002\n                - &#039;MaxNumIMFs&#039;: \u6700\u5927\u7684IMF\u6570\u91cf,\u5728EMD\u548cEWT\u4e2d\u53ef\u9009\u8bbe\u7f6e,\u9ed8\u8ba4\u4e3aNone\u3002\n                - &#039;alpha&#039;: \u60e9\u7f5a\u56e0\u5b50,\u5728VMD\u4e2d\u8bbe\u7f6e,\u9ed8\u8ba4\u503c\u4e3a2000\u3002\n                - &#039;K&#039;: \u6307\u5b9a\u5206\u89e3\u6a21\u6001\u6570,\u4ec5\u5728VMD\u4e2d\u53ef\u8bbe\u7f6e\u3002\n                - &#039;tol&#039;: \u6536\u655b\u5bb9\u5dee,\u5728VMD\u4e2d\u8bbe\u7f6e,\u662f\u4f18\u5316\u7684\u505c\u6b62\u51c6\u5219\u4e4b\u4e00,\u53ef\u4ee5\u53d61e-6~5e-6\u3002\n    \u8fd4\u56de\u503c:\n    - imf: \u5206\u89e3\u540e\u7684\u672c\u5f81\u6a21\u6001\u51fd\u6570(IMF)\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(end,:)\u5373\u4e3a\u6b8b\u5dee\u3002\n      \u6ce8\u610f\uff0c\u8c03\u7528\u8be5\u51fd\u6570\u5f97\u5230\u7684imf\uff0c\u5176\u6392\u5217\u5747\u662f\u4ece\u9ad8\u9891\u5411\u4f4e\u9891\u6392\u5217\uff0c\u8fd9\u4e5f\u662f\u4e3a\u4e86\u65b9\u4fbf\u5927\u5bb6\u7814\u7a76\u4f7f\u7528\u800c\u4fdd\u6301\u4e86\u7edf\u4e00\n    - elapsedTime: \u5206\u89e3\u8fc7\u7a0b\u7684\u8fd0\u884c\u65f6\u95f4\u3002\n    - reconError: \u91cd\u6784\u8bef\u5dee\u3002\n    &quot;&quot;&quot;<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-python\">def pEMDs(data, FsOrT, methodSel, options=None):\n    &quot;&quot;&quot;\n    \u6574\u5408\u7248&quot;\u7c7bEMD&quot;\u5206\u89e3\u51fd\u6570,\u8c03\u7528\u8be5\u51fd\u6570\u5c06\u4f1a\u5206\u89e3\u5e76\u753b\u56fe(\u6a21\u6001\u5206\u89e3\u56fe,\u65e0\u9891\u8c31),\u4f1a\u7ed8\u5236\u91cd\u6784\u8bef\u5dee\u56fe\u3002\n    \n    \u53c2\u6570:\n    - data: \u5f85\u5206\u89e3\u7684\u4e00\u7ef4\u6570\u636e\u3002\n    - FsOrT: \u91c7\u6837\u9891\u7387\u6216\u91c7\u6837\u65f6\u95f4\u5411\u91cf\u3002\u5982\u679c\u4e3a\u91c7\u6837\u9891\u7387,\u8be5\u53d8\u91cf\u8f93\u5165\u5355\u4e2a\u503c;\u5982\u679c\u4e3a\u65f6\u95f4\u5411\u91cf,\u8be5\u53d8\u91cf\u4e3a\u4e0edata\u76f8\u540c\u957f\u5ea6\u7684\u4e00\u7ef4\u5411\u91cf\u3002\u5982\u679c\u672a\u77e5\u91c7\u6837\u9891\u7387,\u53ef\u8bbe\u7f6e\u4e3a1\u3002\n    - methodSel: \u9009\u62e9\u5206\u89e3\u65b9\u6cd5,\u53ef\u9009\u503c\u4e3a&#039;EMD&#039;,&#039;EEMD&#039;,&#039;CEEMD&#039;,&#039;CEEMDAN&#039;,&#039;ICEEMDAN&#039;,&#039;EWT&#039;,&#039;VMD&#039;\u3002\n    - options: \u4e00\u4e2a\u5305\u542b\u5176\u4ed6\u53ef\u8bbe\u7f6e\u53c2\u6570\u7684\u5b57\u5178\u3002\u5bf9\u4e8e\u4e0d\u540c\u5206\u89e3\u65b9\u6cd5,\u9700\u8981\u8bbe\u7f6e\u7684\u53c2\u6570\u6709\u6240\u4e0d\u540c\u3002\n      - &#039;Nstd&#039;: \u9644\u52a0\u566a\u58f0\u6807\u51c6\u5dee\u4e0e\u6570\u636e\u6807\u51c6\u5dee\u4e4b\u6bd4,\u9ed8\u8ba4\u4e3a0.2\u3002\n      - &#039;NE&#039;: \u5bf9\u4fe1\u53f7\u7684\u5e73\u5747\u6b21\u6570,\u9ed8\u8ba4\u4e3a100\u3002\n      - &#039;MaxIter&#039;: \u6700\u5927\u8fed\u4ee3\u6b21\u6570,\u9ed8\u8ba4\u4e3a1000\u3002\n      - &#039;MaxNumIMFs&#039;: \u6700\u5927\u7684IMF\u6570\u91cf,\u5728EMD\u548cEWT\u4e2d\u53ef\u9009\u8bbe\u7f6e,\u9ed8\u8ba4\u4e3aNone\u3002\n      - &#039;alpha&#039;: \u60e9\u7f5a\u56e0\u5b50,\u5728VMD\u4e2d\u8bbe\u7f6e,\u9ed8\u8ba4\u503c\u4e3a2000\u3002\n      - &#039;K&#039;: \u6307\u5b9a\u5206\u89e3\u6a21\u6001\u6570,\u4ec5\u5728VMD\u4e2d\u53ef\u8bbe\u7f6e\u3002\n      - &#039;tol&#039;: \u6536\u655b\u5bb9\u5dee,\u5728VMD\u4e2d\u8bbe\u7f6e,\u662f\u4f18\u5316\u7684\u505c\u6b62\u51c6\u5219\u4e4b\u4e00,\u53ef\u4ee5\u53d61e-6~5e-6\u3002\n    \n    \u8fd4\u56de\u503c:\n    - imf: \u5185\u6db5\u6a21\u6001\u5206\u91cf,\u7edf\u4e00\u4e3an*m\u683c\u5f0f,\u5176\u4e2dn\u4e3a\u6a21\u6001\u6570,m\u4e3a\u6570\u636e\u70b9\u6570\u3002\u4f8b\u5982imf[0,:]\u5373IMF1,imf[-1,:]\u5373\u4e3a\u6b8b\u5dee\u3002\u6ce8\u610f,\u8c03\u7528\u8be5\u51fd\u6570\u5f97\u5230\u7684imf,\u5176\u6392\u5217\u5747\u662f\u4ece\u9ad8\u9891\u5411\u4f4e\u9891\u6392\u5217,\u8fd9\u4e5f\u662f\u4e3a\u4e86\u65b9\u4fbf\u5927\u5bb6\u7814\u7a76\u4f7f\u7528\u800c\u4fdd\u6301\u4e86\u7edf\u4e00\u3002\n    - elapsedTime: \u7a0b\u5e8f\u8fd0\u884c\u65f6\u95f4,\u5355\u4f4d\u4e3a\u79d2\u3002\n    - reconError: \u91cd\u6784\u8bef\u5dee\u3002\n    &quot;&quot;&quot;<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-\">def pEMDsandFFT(data, FsOrT, methodSel, options=None):\n    &quot;&quot;&quot;\n    \u6574\u5408\u7248&quot;\u7c7bEMD&quot;\u5206\u89e3\u51fd\u6570,\u8c03\u7528\u8be5\u51fd\u6570\u5c06\u4f1a\u5206\u89e3\u5e76\u753b\u56fe(\u6a21\u6001\u5206\u89e3\u56fe\u4e0e\u5404IMF\u5206\u91cf\u9891\u8c31\u5bf9\u7167\u56fe),\u4f1a\u7ed8\u5236\u91cd\u6784\u8bef\u5dee\u56fe\u3002\n    \n    \u53c2\u6570:\n    - data: \u5f85\u5206\u89e3\u7684\u4e00\u7ef4\u6570\u636e\u3002\n    - FsOrT: \u91c7\u6837\u9891\u7387\u6216\u91c7\u6837\u65f6\u95f4\u5411\u91cf\u3002\u5982\u679c\u4e3a\u91c7\u6837\u9891\u7387,\u8be5\u53d8\u91cf\u8f93\u5165\u5355\u4e2a\u503c;\u5982\u679c\u4e3a\u65f6\u95f4\u5411\u91cf,\u8be5\u53d8\u91cf\u4e3a\u4e0edata\u76f8\u540c\u957f\u5ea6\u7684\u4e00\u7ef4\u5411\u91cf\u3002\u5982\u679c\u672a\u77e5\u91c7\u6837\u9891\u7387,\u53ef\u8bbe\u7f6e\u4e3a1\u3002\n    - methodSel: \u9009\u62e9\u5206\u89e3\u65b9\u6cd5,\u53ef\u9009\u503c\u4e3a&#039;EMD&#039;,&#039;EEMD&#039;,&#039;CEEMD&#039;,&#039;CEEMDAN&#039;,&#039;ICEEMDAN&#039;,&#039;EWT&#039;,&#039;VMD&#039;\u3002\n    - options: \u4e00\u4e2a\u5305\u542b\u5176\u4ed6\u53ef\u8bbe\u7f6e\u53c2\u6570\u7684\u5b57\u5178\u3002\u5bf9\u4e8e\u4e0d\u540c\u5206\u89e3\u65b9\u6cd5,\u9700\u8981\u8bbe\u7f6e\u7684\u53c2\u6570\u6709\u6240\u4e0d\u540c\u3002\n      - &#039;Nstd&#039;: \u9644\u52a0\u566a\u58f0\u6807\u51c6\u5dee\u4e0e\u6570\u636e\u6807\u51c6\u5dee\u4e4b\u6bd4,\u9ed8\u8ba4\u4e3a0.2\u3002\n      - &#039;NE&#039;: \u5bf9\u4fe1\u53f7\u7684\u5e73\u5747\u6b21\u6570,\u9ed8\u8ba4\u4e3a100\u3002\n      - &#039;MaxIter&#039;: \u6700\u5927\u8fed\u4ee3\u6b21\u6570,\u9ed8\u8ba4\u4e3a1000\u3002\n      - &#039;MaxNumIMFs&#039;: \u6700\u5927\u7684IMF\u6570\u91cf,\u5728EMD\u548cEWT\u4e2d\u53ef\u9009\u8bbe\u7f6e,\u9ed8\u8ba4\u4e3aNone\u3002\n      - &#039;alpha&#039;: \u60e9\u7f5a\u56e0\u5b50,\u5728VMD\u4e2d\u8bbe\u7f6e,\u9ed8\u8ba4\u503c\u4e3a2000\u3002\n      - &#039;K&#039;: \u6307\u5b9a\u5206\u89e3\u6a21\u6001\u6570,\u4ec5\u5728VMD\u4e2d\u53ef\u8bbe\u7f6e\u3002\n      - &#039;tol&#039;: \u6536\u655b\u5bb9\u5dee,\u5728VMD\u4e2d\u8bbe\u7f6e,\u662f\u4f18\u5316\u7684\u505c\u6b62\u51c6\u5219\u4e4b\u4e00,\u53ef\u4ee5\u53d61e-6~5e-6\u3002\n    \n    \u8fd4\u56de\u503c:\n    - imf: \u5185\u6db5\u6a21\u6001\u5206\u91cf,\u7edf\u4e00\u4e3an*m\u683c\u5f0f,\u5176\u4e2dn\u4e3a\u6a21\u6001\u6570,m\u4e3a\u6570\u636e\u70b9\u6570\u3002\u4f8b\u5982imf[0,:]\u5373IMF1,imf[-1,:]\u5373\u4e3a\u6b8b\u5dee\u3002\u6ce8\u610f,\u8c03\u7528\u8be5\u51fd\u6570\u5f97\u5230\u7684imf,\u5176\u6392\u5217\u5747\u662f\u4ece\u9ad8\u9891\u5411\u4f4e\u9891\u6392\u5217,\u8fd9\u4e5f\u662f\u4e3a\u4e86\u65b9\u4fbf\u5927\u5bb6\u7814\u7a76\u4f7f\u7528\u800c\u4fdd\u6301\u4e86\u7edf\u4e00\u3002\n    - elapsedTime: \u7a0b\u5e8f\u8fd0\u884c\u65f6\u95f4,\u5355\u4f4d\u4e3a\u79d2\u3002\n    - reconError: \u91cd\u6784\u8bef\u5dee\u3002\n    &quot;&quot;&quot;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u56db\u3001\u5feb\u901f\u5f00\u59cb\">\u4e09\u3001\u5feb\u901f\u5f00\u59cb<\/h4>\n\n\n\n<p><strong>0.\u5b89\u88c5\u76f8\u5173\u5305<\/strong><\/p>\n\n\n\n<p>\u5728\u547d\u4ee4\u884c\u6267\u884c\u4ee5\u4e0b\u6307\u4ee4\uff0c\u5b89\u88c5\u5bf9\u5e94\u7684\u5de5\u5177\u5305\u3002<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-\">pip install EMD-signal\npip install numpy\npip install Matplotlib\npip install ewtpy<\/code><\/pre>\n\n\n\n<p><strong>1.\u8fd0\u884c\u6d4b\u8bd5\u811a\u672c<\/strong><\/p>\n\n\n\n<p>\u5148\u5728python\u7684\u7f16\u8f91\u5668\uff08\u4f8b\u5982vscode\uff09\u91cc\u6253\u5f00\u4e0b\u8f7d\u597d\u7684\u6587\u4ef6\u5939\uff0c\u7136\u540e\u8fd0\u884c<strong>demoEMDs.py<\/strong>\u7a0b\u5e8f\uff0c\u7a0b\u5e8f\u8fd0\u884c\u5b8c\u6bd5\u540e\u5982\u679c\u6ca1\u62a5\u9519\uff0c\u4e14\u6b63\u5e38\u753b\u51fa\u5206\u89e3\u56fe\u50cf\uff0c\u5219\u8bf4\u660e\u8fd0\u884c\u73af\u5883\u6b63\u5e38\uff0c\u7a0b\u5e8f\u6b63\u786e\u3002<\/p>\n\n\n\n<p><strong>2.\u4fee\u6539\u4eff\u771f\u6570\u636e\/\u5bfc\u5165\u6570\u636e<\/strong><\/p>\n\n\n\n<p>\u590d\u5236\u4e00\u4e2a<strong>demoEMDs.py<\/strong>\u7684\u6587\u4ef6\u526f\u672c\uff0c\u5728\u8fd9\u4e2a\u526f\u672c\u91cc\u505a\u5982\u4e0b\u4fee\u6539\uff1a<\/p>\n\n\n\n<p>\uff081\uff09\u7b2c\u4e00\u79cd\u60c5\u51b5\uff0c\u4f60\u53ef\u80fd\u60f3\u8981\u5bf9\u4f60\u81ea\u5df1\u8981\u7814\u7a76\u7684<strong>\u4eff\u771f\u6570\u636e<\/strong>\u8fdb\u884c\u6a21\u6001\u5206\u89e3\u6d4b\u8bd5\uff0c\u6b64\u65f6\u4f60\u9700\u8981\u5bf9&nbsp;<strong>demoEMDs.py<\/strong>&nbsp;\u811a\u672c\u6587\u4ef6\u4e2d\u7684\u7b2c1\u5c0f\u8282\u5185\u5bb9\u8fdb\u884c\u4fee\u6539\u66ff\u6362\u5373\u53ef\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8bf7\u6700\u597d<strong>\u4fdd\u6301\u53d8\u91cf\u540d\u7684\u4e00\u81f4<\/strong>\uff0c\u5373\u5c06\u5f85\u5206\u89e3\u4fe1\u53f7\u547d\u540d\u4e3adata\uff0c\u91c7\u6837\u9891\u7387\u6216\u8005\u65f6\u95f4\u8f74\u547d\u540d\u4e3aFsOrT\u3002\u6b64\u65f6\u6570\u636e\u66ff\u6362\u5b8c\u6210\u3002<\/p>\n\n\n\n<p>\uff082\uff09\u7b2c\u4e8c\u79cd\u60c5\u51b5\uff0c\u4f60\u53ef\u80fd\u662f\u60f3\u5bf9\u4e00\u6bb5<strong>\u771f\u5b9e\u91c7\u96c6<\/strong>\u7684\u6570\u636e\u8fdb\u884c\u6a21\u6001\u5206\u89e3\uff0c\u6b64\u65f6\u9700\u8981\u6839\u636e\u4f60\u7684\u6587\u4ef6\u7c7b\u578b\u7684\u4e0d\u540c\uff08excel,txt,csv\u7b49\uff09\uff0c\u5c06\u6570\u636e\u5bfc\u5165python\u7684\u65b9\u6cd5\u6709\u6240\u4e0d\u540c\u3002<strong>\u5bfc\u5165\u5b8c\u6210\u540e\u8bf7\u5c06\u8fd9\u4e2a\u5f85\u5206\u89e3\u4fe1\u53f7\u547d\u540d\u4e3adata<\/strong>\u3002<\/p>\n\n\n\n<p><strong>3.\u4fdd\u7559\u4f60\u9700\u8981\u7684\u5206\u89e3\u65b9\u6cd5\uff0c\u5e76\u8bbe\u7f6e\u53c2\u6570<\/strong><\/p>\n\n\n\n<p><strong>demoEMDs.<\/strong>py\u4e2d\u6f14\u793a\u4e86\u4e03\u79cd\u65b9\u6cd5\u7684\u5206\u89e3\u6848\u4f8b\uff0c\u4f60\u53ef\u4ee5\u5220\u6389\u4e0d\u9700\u8981\u7684\u5206\u89e3\u65b9\u6cd5\uff0c\u53ea\u4fdd\u7559\u4f60\u9700\u8981\u7684\u90e8\u5206\u5373\u53ef\u3002\u800c\u76f8\u5173\u53c2\u6570\u8bbe\u7f6e\uff0c\u5927\u5bb6\u53ef\u4ee5\u53c2\u7167\u6848\u4f8b\u4e2d\u7684\u5199\u6cd5\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<p><strong>\u4e0a\u8ff0\u66ff\u6362\u8fc7\u7a0b\u5927\u5bb6\u6709\u4e0d\u6e05\u695a\u7684\uff0c\u8bf7\u53c2\u8003\u89c6\u9891\u3002<\/strong><\/p>\n\n\n\n<p><strong>4.\u8fd0\u884c\u7a0b\u5e8f<\/strong><\/p>\n\n\n\n<p>\u6b64\u65f6\u8fd0\u884c\u7a0b\u5e8f\u5373\u53ef\u3002<\/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\">\u56db\u3001\u5173\u4e8e\u5b8c\u6574\u7248\u4e0e\u516c\u5f00\u7248\u4ee3\u7801<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u529f\u80fd<\/td><td>\u5b8c\u6574\u7248<\/td><td>\u516c\u5f00\u7248<\/td><\/tr><tr><td>\u7ed8\u5236\u7c7bEMD\u5206\u89e3\u56fe\u3001\u7ed8\u5236\u7c7bEMD\u5206\u89e3\u56fe\u53ca\u5176\u9891\u8c31\u56fe\u3001\u91cd\u6784\u8bef\u5dee\u56fe<\/td><td>\u221a<\/td><td>\u221a<\/td><\/tr><tr><td>\u8f6f\u4ef6\u5168\u90e8\u6e90\u7801\uff08\u51fd\u6570py\u6587\u4ef6\uff09<\/td><td>\u221a<\/td><td>\u00d7<\/td><\/tr><tr><td>\u53ef\u5bfc\u51fa\u5206\u89e3\u7ed3\u679cimf\u3001\u91cd\u6784\u8bef\u5dee\u503c<\/td><td>\u221a<\/td><td>\u00d7<\/td><\/tr><tr><td>\u7ed8\u56fe\u65e0\u6c34\u5370<\/td><td>\u221a<\/td><td>\u00d7<\/td><\/tr><tr><td>\u53ef\u5206\u6790\u6570\u636e\u957f\u5ea6<\/td><td>\u65e0\u9650\u5236<\/td><td>1000\u4e2a\u70b9\u4ee5\u5185<\/td><\/tr><\/tbody><\/table><\/figure>\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\">\u4e94\u3001\u83b7\u53d6\u516c\u5f00\u7248\u7a0b\u5e8f\uff08\u9700\u4f7f\u7528\u7535\u8111\u6d4f\u89c8\u5668\u6253\u5f00\uff09<\/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\">\u7c7bEMD\u5206\u89e37\u54081\u516c\u5f00\u7248python\u4ee3\u7801<\/h3>\n        <div class=\"wpfd-file-content--meta\">\n                    <div>\u6587\u4ef6\u5c3a\u5bf8: 95.89 KB<\/div>\n                    <div>\u66f4\u65b0: 29-07-2024<\/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\/3598\/%e7%b1%bbemd%e5%88%86%e8%a7%a37%e5%90%881%e5%85%ac%e5%bc%80%e7%89%88python%e4%bb%a3%e7%a0%81.zip\"  data-id=\"3598\" title=\"\u7c7bEMD\u5206\u89e37\u54081\u516c\u5f00\u7248python\u4ee3\u7801\" 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><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>\u8bd5\u7528\u7248\u4ee3\u7801\u9700\u8981\u4f7f\u7528python3.11<\/strong><\/mark><\/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?id=820445976950\" target=\"_blank\" rel=\"noreferrer noopener\">\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\u970091.5\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><div class=\"erphp-wppay\">\n\t\t\t\t\u60a8\u9700\u8981\u5148\u652f\u4ed8 <b>91.5\u5143<\/b> \u624d\u80fd\u67e5\u770b\u6b64\u5904\u5185\u5bb9\uff01<a href=\"javascript:;\" class=\"erphp-wppay-loader\" data-post=\"3583\">\u7acb\u5373\u652f\u4ed8<\/a>\n\t\t\t<\/div><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u4e94\u3001\u91cd\u8981\u66f4\u65b0\">\u4e03\u3001\u5b8c\u6574\u7248\u4ee3\u7801\u91cd\u8981\u66f4\u65b0<\/h4>\n\n\n\n<p class=\"is-style-iw-2em\">20240729 \u5b8c\u6210\u521d\u7248\u4ee3\u7801<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u95ee\u9898<\/h4>\n\n\n\n<p class=\"is-style-iw-2em\"><strong>\u95ee\u98981\uff1aVMD\u4e2d\u53c2\u6570K\u548c\u5206\u89e3\u51fa\u6765\u7684\u6570\u91cf\u662f\u4ec0\u4e48\u5173\u7cfb\uff1f<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u56de\u7b541\uff1aK\u7684\u503c\u7b49\u4e8eIMF\u6570\u91cf\u52a01\uff0c\u4e5f\u5c31\u662f\u5982\u679c\u8bbe\u7f6eK=4\uff0c\u5219\u4f1a\u5206\u89e3\u51fa3\u4e2aIMF\u5206\u91cf\u548c1\u4e2a\u8d8b\u52bf\u9879res\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\"><strong>\u95ee\u98982\uff1a<strong>VMD\u4e2d<\/strong>K\u7684\u6570\u503c\u5e94\u8be5\u600e\u6837\u9009\u53d6\uff1f<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u56de\u7b542\uff1a\u5bf9\u4e8eK\u7684\u53d6\u503c\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u8bc4\u4ef7\u6307\u6807\u6765\u8fdb\u884c\u8bc4\u4f30\uff0c\u7efc\u5408\u7814\u5224\u53d6\u503c\u3002\u6bd4\u5982\u4f7f\u7528\u4e2d\u5fc3\u9891\u7387\u5224\u65ad\u3001\u4f7f\u7528\u76f8\u5173\u7cfb\u6570\u5224\u65ad\u3001\u4f7f\u7528\u5ced\u5ea6\u503c\u5224\u65ad\u7b49\uff0c\u4e0d\u8fc7\u6ca1\u6709\u653e\u4e4b\u56db\u6d77\u800c\u7686\u51c6\u7684\u65b9\u6cd5\u3002\u5728\u4f7f\u7528VMD\u7b97\u6cd5\u8fdb\u884c\u4fe1\u53f7\u5206\u89e3\u65f6\uff0c\u9700\u8981\u7efc\u5408\u8003\u8651\u4fe1\u53f7\u7684\u7279\u6027\u3001\u5e94\u7528\u9700\u6c42\u548c\u5b9e\u9645\u6548\u679c\u7b49\u56e0\u7d20\uff0c\u6765\u786e\u5b9ak\u7684\u53d6\u503c\uff0c\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u5c31\u662f\u53c2\u8003\u7814\u7a76\u9886\u57df\u76f8\u5173\u8bba\u6587\u7684\u5e38\u7528\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\"><strong>\u95ee\u98983\uff1a\u9664\u4e86VMD\uff0c\u5176\u4ed6\u5206\u89e3\u65b9\u6cd5\u53ef\u4ee5\u8bbe\u7f6e\u5206\u89e3\u5f97\u5230\u7684imf\u7684\u6570\u91cf\u5417\uff1f<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u5728\u7f51\u7ad9\u73b0\u6709\u7684\u201c\u7c7bEMD\u201d\u5206\u89e3\u65b9\u6cd5\u4e2d\uff0c\u53ea\u6709VMD\u5206\u89e3\u662f\u53ef\u4ee5\u6307\u5b9aimf\u6570\u7684\uff1bEMD\u548cEWT\u53ef\u4ee5\u8bbe\u7f6e\u5206\u89e3\u6570\u91cf\u4e0a\u9650\uff0c\u6bd4\u5982\u4e0a\u9650\u8bbe\u7f6e\u4e3a5\uff0c\u5206\u89e3\u51fa\u6765\u7684\u7ed3\u679c\u53ef\u80fd\u662f5\u4e2a\u5206\u91cf\uff0c\u6216\u8005\u5c0f\u4e8e5\u4e2a\uff1b\u5176\u4ed6\u7684\u5206\u89e3\u65b9\u6cd5\u7684\u5206\u89e3\u6570\u91cf\u5747\u662f\u81ea\u9002\u5e94\u7684\uff0c\u65e0\u6cd5\u6307\u5b9a\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\"><strong>\u95ee\u98984\uff1a\u53c2\u6570NE\u3001Nstd\u3001MaxIter\u8be5\u600e\u4e48\u8bbe\u7f6e\uff1f<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\">NE: \u566a\u58f0\u7cfb\u6570\u7684\u6570\u91cf\u3002\u8fd9\u662f\u4e00\u4e2a\u6574\u6570\uff0c\u4ee3\u8868\u751f\u6210\u566a\u58f0\u5b9e\u4f8b\u7684\u6b21\u6570\u3002\u589e\u52a0NE\u53ef\u4ee5\u6539\u5584\u7ed3\u679c\u7684\u4e00\u81f4\u6027\uff0c\u4f46\u4f1a\u589e\u52a0\u8ba1\u7b97\u65f6\u95f4\u3002\u4e00\u822c\u6765\u8bf4\uff0cNE\u7684\u8bbe\u7f6e\u53ef\u4ee5\u572850\u5230100\u4e4b\u95f4\uff0c\u5177\u4f53\u53ef\u4ee5\u6839\u636e\u4f60\u7684\u6570\u636e\u548c\u8ba1\u7b97\u80fd\u529b\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\">Nstd: \u566a\u58f0\u6807\u51c6\u5dee\u3002\u8fd9\u662f\u4e00\u4e2a\u6d6e\u70b9\u6570\uff0c\u5b83\u5b9a\u4e49\u4e86\u6dfb\u52a0\u5230\u4fe1\u53f7\u4e2d\u7684\u566a\u58f0\u7684\u6807\u51c6\u504f\u5dee\u3002\u901a\u5e38\uff0cNstd\u7684\u503c\u8bbe\u7f6e\u57280.1\u52300.2\u4e4b\u95f4\uff0c\u5b83\u4f1a\u5f71\u54cd\u5230\u4fe1\u53f7\u5206\u89e3\u7684\u7cbe\u5ea6\u3002\u8bbe\u7f6e\u8fc7\u9ad8\u53ef\u80fd\u4f1a\u5f15\u5165\u592a\u591a\u566a\u58f0\uff0c\u8fc7\u4f4e\u5219\u53ef\u80fd\u5bf9\u566a\u58f0\u7684\u6548\u679c\u4e0d\u591f\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\">MaxIter: \u6700\u5927\u8fed\u4ee3\u6b21\u6570\u3002\u8fd9\u662f\u5728\u6267\u884c\u7ecf\u9a8c\u6a21\u5f0f\u5206\u89e3\u8fc7\u7a0b\u4e2d\uff0c\u6bcf\u4e2a\u6a21\u5f0f\uff08IMF\uff09\u6700\u5927\u5141\u8bb8\u7684\u8fed\u4ee3\u6b21\u6570\u3002\u5982\u679c\u8fed\u4ee3\u6b21\u6570\u8fc7\u5c11\uff0c\u53ef\u80fd\u65e0\u6cd5\u5f97\u5230\u4e00\u4e2a\u597d\u7684IMF\uff0c\u5982\u679c\u8fc7\u591a\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8ba1\u7b97\u65f6\u95f4\u8fc7\u957f\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0cMaxIter\u7684\u503c\u53ef\u4ee5\u8bbe\u7f6e\u5728100\u52301000\u4e4b\u95f4\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u4f60\u7684\u6570\u636e\u7684\u590d\u6742\u6027\u548c\u8ba1\u7b97\u80fd\u529b\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\"><strong>\u95ee\u98985\uff1a\u4e3a\u4ec0\u4e48\u4f7f\u7528python\u548cMATLAB\u505a\u51fa\u7684\u5206\u89e3\u7ed3\u679c\u4e0d\u76f8\u540c\uff1f<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u867d\u7136EMD\u5206\u89e3\u7684\u539f\u7406\u662f\u76f8\u5bf9\u660e\u786e\u7684\uff0c\u4f46\u662f\u5728\u5177\u4f53\u7684\u7f16\u7a0b\u5b9e\u73b0\u7684\u8fc7\u7a0b\u4e2d\u8fd8\u6d89\u53ca\u5f88\u591a\u5177\u4f53\u8ba1\u7b97\u8fc7\u7a0b\uff0c\u6bd4\u5982\u5305\u7edc\u7684\u6c42\u53d6\u3001\u505c\u6b62\u51c6\u5219\u7684\u9009\u5b9a\u7b49\u7b49\uff0c\u5176\u4e2d\u53c2\u6570\u6216\u8005\u8ba1\u7b97\u65b9\u5f0f\u7684\u53d8\u5316\u90fd\u4f1a\u5f71\u54cd\u5230\u6700\u7ec8\u7ed3\u679c\uff0cMATLAB\u548cpython\u7684EMD\u5b9e\u73b0\u662f\u4e24\u4e2a\u4e0d\u540c\u7684\u5e93\uff0c\u5728\u8fd9\u4e9b\u7ec6\u8282\u4e4b\u5904\u96be\u514d\u5b58\u5728\u5dee\u5f02\uff08\u5373\u4f7f\u90fd\u662f\u7528\u5728MATLAB\u4e0a\u7684\u5b98\u65b9\u5e93\u548c\u7b2c\u4e09\u65b9\u5e93\u4e4b\u95f4\u90fd\u4f1a\u6709\u5dee\u5f02\uff09\uff0c\u6240\u4ee5\u4f7f\u7528python\u548cMATLAB\u8fdb\u884cEMD\u5206\u89e3\u5f97\u5230\u7684\u7ed3\u679c\u4e0d\u540c\u662f\u6b63\u5e38\u73b0\u8c61\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\">\u5728\u8bd5\u7528\u7248\u4ee3\u7801\u4e2d\u53ef\u4ee5\u4f7f\u7528\u4f46\u662f\u770b\u4e0d\u5230\u6e90\u7801\uff0c\u5728\u5b8c\u6574\u7248\u4ee3\u7801\u4e2d\u53ef\u4ee5\u770b\u5230\u5168\u90e8\u6e90\u7801\u3002<\/p>\n\n\n\n<p class=\"is-style-iw-2em\"><strong>\u95ee\u98986\uff1a\u63d0\u793aNo module named &#8216;PyEMD&#8217;\uff0c\u5373\u4f7f\u5b89\u88c5EMD-signal\u5305\u540e\uff0cfrom pyemd import EMD\u4f9d\u65e7\u5931\u8d25<\/strong><\/p>\n\n\n\n<p>\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p>1.\u9996\u5148\u5728\u7ec8\u7aef\u8fd0\u884c\uff1a<\/p>\n\n\n\n<p>pip uninstall PyEMD<br>pip uninstall EMD-signal<br><br>2.\u7136\u540e\u8fd0\u884c\uff1a<br>pip install EMD-signal<\/p>\n\n\n\n<p>\u5373\u53ef\u89e3\u51b3\u3002<\/p>\n\n\n\n<p><strong>\u95ee\u98987\uff0c\u62a5\u9519\u63d0\u793a<code>np.find_common_type<\/code> was removed in the NumPy 2.0 release. \u5982\u4e0b\u56fe<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"3249\" height=\"501\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-7.png\" alt=\"\" class=\"wp-image-3612\" srcset=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-7.png 3249w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-7-300x46.png 300w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-7-1024x158.png 1024w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-7-768x118.png 768w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-7-1536x237.png 1536w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-7-2048x316.png 2048w\" sizes=\"(max-width: 3249px) 100vw, 3249px\" \/><\/figure>\n\n\n\n<p>\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p>\u5728109\u884c\u7684EMD\u5904\u53f3\u952e\uff0c\u70b9\u51fbGo to Definition<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"755\" height=\"287\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-9.png\" alt=\"\" class=\"wp-image-3614\" srcset=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-9.png 755w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-9-300x114.png 300w\" sizes=\"(max-width: 755px) 100vw, 755px\" \/><\/figure>\n\n\n\n<p>\u5728\u8df3\u8f6c\u6253\u5f00\u7684EMD.py\u6587\u4ef6\u4e2d\uff0c\u627e\u5230\u7b2c768\u884c\uff0c\u5c06\u8be5\u884c\u6ce8\u91ca\u6389\uff0c\u5e76\u5728\u4e0b\u884c\u8f93\u5165\uff1a<\/p>\n\n\n\n<p>dtype = np.promote_types(x.dtype, y.dtype)<\/p>\n\n\n\n<p>\u4fee\u6539\u540e\u5982\u4e0b\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1129\" height=\"309\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-10.png\" alt=\"\" class=\"wp-image-3615\" srcset=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-10.png 1129w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-10-300x82.png 300w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-10-1024x280.png 1024w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2024\/07\/image-10-768x210.png 768w\" sizes=\"(max-width: 1129px) 100vw, 1129px\" \/><\/figure>\n\n\n\n<p>\u6b64\u65f6\u518d\u8fd0\u884cdemoEMDs.py\u5c31\u4e0d\u4f1a\u62a5\u9519\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f\u5728python\u73af\u5883\u4e0b\u8fdb\u884cEMD\uff0cEEMD\uff0cCEEMD\uff0cCEEMDAN\uff0cICEEMDAN\uff0cEWT\uff0cVMD\u8fd97 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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