{"id":17701,"date":"2022-03-07T12:31:24","date_gmt":"2022-03-07T04:31:24","guid":{"rendered":"http:\/\/www.jdcui.com\/?p=17701"},"modified":"2022-03-07T13:35:26","modified_gmt":"2022-03-07T05:35:26","slug":"%e7%ac%94%e8%ae%b0-%e7%94%a8matlab%e8%bf%9b%e8%a1%8c%e5%8a%9f%e7%8e%87%e8%b0%b1%e5%88%86%e6%9e%90%e4%b8%ba%e4%bb%80%e4%b9%88%e4%bc%9a%e5%87%ba%e7%8e%b0%e8%b4%9f%e7%9a%84%e5%8a%9f%e7%8e%87%e8%b0%b1","status":"publish","type":"post","link":"http:\/\/www.jdcui.com\/?p=17701","title":{"rendered":"[\u7b14\u8bb0] \u7528Matlab\u8fdb\u884c\u529f\u7387\u8c31\u5206\u6790\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u8d1f\u7684\u529f\u7387\u8c31\u5bc6\u5ea6\uff1f"},"content":{"rendered":"<p><span style=\"color: #ff00ff; background-color: #ccffcc; font-size: 10pt;\"><strong>\u5b9e\u5e72\u3001\u5b9e\u8df5\u3001\u79ef\u7d2f\u3001\u601d\u8003\uff0c\u521b\u65b0\u3002<\/strong><\/span><\/p>\n<hr \/>\n<p>\u6700\u8fd1\u95f2\u6687\u7684\u65f6\u5019\u7ffb\u7ffb \u968f\u673a\u632f\u52a8\u7684\u4e66\uff0c\u53c8\u641e\u5230\u5085\u91cc\u53f6\u5206\u6790\uff0c\u529f\u7387\u8c31\u7b49\u3002<\/p>\n<p>\u5728\u6d4b\u8bd5\u7f51\u4e0a\u7684MATLAB\u529f\u7387\u8c31\u5206\u6790\u7a0b\u5e8f\u7684\u65f6\u5019\uff0c\u53d1\u73b0\u529f\u7387\u8c31\u5c45\u7136\u662f\u8d1f\u6570\uff0c(\u53c8\u66b4\u9732\u4e86\u77e5\u8bc6\u9762\u7684\u77ed\u7f3a\uff0c \ud83d\ude25 )<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-17705 alignnone\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2022\/03\/\u529f\u7387\u8c31.png\" alt=\"\" width=\"562\" height=\"507\" \/><\/p>\n<p>\u540e\u4ed4\u601d\u8003\u53d1\u73b0\uff0c\u4e3b\u8981\u662f\u56e0\u4e3a\u529f\u7387\u8c31\u4f7f\u7528\u4e86 <a href=\"https:\/\/baike.baidu.com\/item\/%E5%88%86%E8%B4%9D\/553473?fr=aladdin\" target=\"_blank\" rel=\"noopener\"><strong>\u5206\u8d1d<\/strong><\/a> \u4e3a\u8ba1\u91cf\u5355\u4f4d\uff0c\u6bd4\u5982\u901a\u8fc7\u516c\u5f0f 10*log10(Pxx) \u5c06\u539f\u672c\u7684\u529f\u7387\u8c31Pxx\u8fdb\u884c\u8f6c\u6362\uff0c\u53ef\u89c1\u5f53Pxx\u5904\u4e8e0~1\u4e4b\u95f4\u7684\u65f6\u5019\uff0c\u901a\u8fc7log10(Pxx)\u8f6c\u6362\u51fa\u6765\u7684\u516c\u5f0f\u5c31\u662f\u8d1f\u6570\u4e86\u3002<\/p>\n<hr \/>\n<p style=\"padding-left: 30px; text-align: center;\"><span style=\"font-size: 10pt;\"><strong><div  class=\"thumbs-rating-container\" id=\"thumbs-rating-17701\" data-content-id=\"17701\"><button class=\"thumbs-rating-up thumbs-rating-voted\" onclick=\"thumbs_rating_vote(17701, 1);\">Vote Up +13<\/button> <button class=\"thumbs-rating-down\" onclick=\"thumbs_rating_vote(17701, 2);\">Vote Down -0<\/button><span class=\"thumbs-rating-already-voted\">You already voted!<\/span><\/div><\/strong><\/span><\/p>\n<ul style=\"list-style-type: square;\">\n<li style=\"text-align: left;\"><span style=\"font-size: 10pt;\"><strong>\u5fae\u4fe1\u516c\u4f17\u53f7\u00a0(<span style=\"color: #000080;\">\u00a0Wechat\u00a0Subscription)<\/span><\/strong><\/span><\/li>\n<\/ul>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><a href=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2017\/01\/QRCODE.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3636\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2017\/01\/QRCODE.jpg\" alt=\"WeChat_QRCode\" width=\"250\" height=\"255\" \/><\/a><\/span><span style=\"font-size: 10pt;\"><a href=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2017\/01\/QRCODE.jpg\"><strong><span style=\"color: #333333;\">\u6b22\u8fce\u5173\u6ce8\u00a0<span style=\"color: #ff00ff;\">\u201c\u7ed3\u6784\u4e4b\u65c5\u201d\u00a0<\/span>\u5fae\u4fe1\u516c\u4f17\u53f7<\/span><\/strong><\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b9e\u5e72\u3001\u5b9e\u8df5\u3001\u79ef\u7d2f\u3001\u601d\u8003\uff0c\u521b\u65b0\u3002 \u6700\u8fd1\u95f2\u6687\u7684\u65f6\u5019\u7ffb\u7ffb \u968f\u673a\u632f\u52a8\u7684\u4e66\uff0c\u53c8\u641e\u5230\u5085\u91cc\u53f6\u5206\u6790\uff0c\u529f\u7387\u8c31\u7b49\u3002 \u5728\u6d4b\u8bd5\u7f51\u4e0a\u7684MATLAB\u529f\u7387\u8c31\u5206\u6790\u7a0b\u5e8f\u7684\u65f6\u5019\uff0c\u53d1\u73b0\u529f\u7387\u8c31\u5c45\u7136\u662f\u8d1f\u6570\uff0c(\u53c8\u66b4\u9732\u4e86\u77e5\u8bc6\u9762\u7684\u77ed\u7f3a\uff0c \ud83d\ude25 ) \u540e\u4ed4\u601d\u8003\u53d1\u73b0\uff0c\u4e3b\u8981\u662f\u56e0\u4e3a\u529f\u7387\u8c31\u4f7f\u7528\u4e86 \u5206\u8d1d \u4e3a\u8ba1\u91cf\u5355\u4f4d\uff0c\u6bd4\u5982\u901a\u8fc7\u516c\u5f0f 10*log10(Pxx) \u5c06\u539f\u672c\u7684\u529f\u7387\u8c31Pxx\u8fdb\u884c\u8f6c\u6362\uff0c\u53ef\u89c1\u5f53Pxx\u5904\u4e8e0~1\u4e4b\u95f4\u7684\u65f6\u5019\uff0c\u901a\u8fc7log10(Pxx)\u8f6c\u6362\u51fa\u6765\u7684\u516c\u5f0f\u5c31\u662f\u8d1f\u6570\u4e86\u3002 \u5fae\u4fe1\u516c\u4f17\u53f7\u00a0(\u00a0Wechat\u00a0Subscription) \u6b22\u8fce\u5173\u6ce8\u00a0\u201c\u7ed3\u6784\u4e4b\u65c5\u201d\u00a0\u5fae\u4fe1\u516c\u4f17\u53f7<\/p>\n","protected":false},"author":1,"featured_media":17707,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[3302,28,1951,3301,3303,3304],"class_list":["post-17701","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-math-geometry","tag-db","tag-matlab","tag-1951","tag-3301","tag-3303","tag-3304"],"aioseo_notices":[],"views":5726,"_links":{"self":[{"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/posts\/17701","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=17701"}],"version-history":[{"count":0,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/posts\/17701\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/media\/17707"}],"wp:attachment":[{"href":"http:\/\/www.jdcui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17701"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}