{"id":204970,"date":"2025-05-29T10:59:10","date_gmt":"2025-05-29T02:59:10","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204970\/"},"modified":"2025-05-29T10:59:10","modified_gmt":"2025-05-29T02:59:10","slug":"numpy-correlate%e5%87%bd%e6%95%b0%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86%e5%a4%9a%e7%bb%b4%e6%95%b0%e7%bb%84%e7%9a%84%e7%9b%b8%e5%85%b3%e6%80%a7%e8%ae%a1%e7%ae%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204970\/","title":{"rendered":"NumPy correlate\u51fd\u6570\u5982\u4f55\u5904\u7406\u591a\u7ef4\u6570\u7ec4\u7684\u76f8\u5173\u6027\u8ba1\u7b97\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>NumPy correlate\u51fd\u6570\u5982\u4f55\u5904\u7406\u591a\u7ef4\u6570\u7ec4\u7684\u76f8\u5173\u6027\u8ba1\u7b97\uff1f <\/h1>\n<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241120\/1732093803673da76b0ac2e.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>numpy.correlate\u51fd\u6570\u5728\u591a\u7ef4\u6570\u7ec4\u4e0a\u7684\u4f7f\u7528<\/strong><\/p>\n<p>numpy.correlate\u51fd\u6570\u901a\u5e38\u7528\u4e8e\u8ba1\u7b97\u4e00\u7ef4\u6570\u7ec4\u4e4b\u95f4\u7684\u76f8\u5173\u6027\u3002\u7136\u800c\uff0c\u5728\u5904\u7406\u591a\u7ef4\u6570\u7ec4\u65f6\uff0c\u9700\u8981\u5bf9\u6570\u7ec4\u8fdb\u884c\u5c55\u5e73\u624d\u80fd\u4f7f\u7528\u8be5\u51fd\u6570\u3002<\/p>\n<p>\u76f4\u63a5\u5bf9\u591a\u7ef4\u6570\u7ec4\u4f7f\u7528correlate\u51fd\u6570\u4f1a\u62a5\u9519\uff0c\u56e0\u4e3a\u8be5\u51fd\u6570\u53ea\u80fd\u5904\u7406\u4e00\u7ef4\u6570\u7ec4\u3002\u5c55\u5e73\u591a\u7ef4\u6570\u7ec4\u7684\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528ravel\u65b9\u6cd5\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>match_degree = np.correlate(t.ravel(), q.ravel(), mode=\"full\")<\/pre>\n<p>\u4f7f\u7528ravel\u65b9\u6cd5\u5c55\u5e73\u6570\u7ec4\u540e\uff0c\u5373\u53ef\u4f7f\u7528correlate\u51fd\u6570\u8ba1\u7b97\u76f8\u5173\u6027\u3002\u7136\u800c\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5c55\u5e73\u6570\u7ec4\u540e\u8fdb\u884c\u76f8\u5173\u6027\u8ba1\u7b97\u7684\u7ed3\u679c\u53ef\u80fd\u4e0e\u539f\u59cb\u591a\u7ef4\u6570\u7ec4\u7684\u7ebf\u6027\u76f8\u5173\u6027\u4e0d\u540c\u3002<\/p>\n<p>\u4e3a\u4e86\u5728\u591a\u7ef4\u6570\u7ec4\u4e0a\u8fdb\u884c\u51c6\u786e\u7684\u76f8\u5173\u6027\u5206\u6790\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<p><strong>\u9010\u7ef4\u76f8\u5173\u6027<\/strong><\/p>\n<p>\u5bf9\u4e8e\u6bcf\u4e00\u7ef4\u5ea6\uff0c\u5206\u522b\u8ba1\u7b97\u8be5\u7ef4\u5ea6\u7684\u76f8\u5173\u6027\uff0c\u7136\u540e\u6c47\u603b\u7ed3\u679c\u3002\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>import numpy as np\n\n# \u793a\u4f8b\u591a\u7ef4\u6570\u7ec4\nt = np.random.rand(3, 3)\nq = np.random.rand(3, 3)\n\n# \u5b58\u50a8\u6bcf\u4e00\u7ef4\u5ea6\u7684\u76f8\u5173\u6027\u7ed3\u679c\ncorrelations = []\nfor i in range(t.shape[0]):\n    correlations.append(np.correlate(t[i, :], q[i, :], mode='full'))\n\n# \u6c47\u603b\u7ed3\u679c\nmatch_degree = np.array(correlations)\nprint(match_degree)<\/pre>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aNumPy correlate\u51fd\u6570\u5982\u4f55\u5904\u7406\u591a\u7ef4\u6570\u7ec4\u7684\u76f8\u5173\u6027\u8ba1\u7b97\uff1f \u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NumPy correlate\u51fd&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204970","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204970","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204970"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204970\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}