{"id":5071,"date":"2023-06-28T21:27:42","date_gmt":"2023-06-28T13:27:42","guid":{"rendered":"\/\/www.dealsbon.com\/?p=5071"},"modified":"2023-06-28T21:27:45","modified_gmt":"2023-06-28T13:27:45","slug":"cxhryjymjsbz","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/5071.html","title":{"rendered":"CRC\u5faa\u73af\u5197\u4f59\u6821\u9a8c\u7801\u8ba1\u7b97\u6b65\u9aa4"},"content":{"rendered":"\n

\u3000\u3000\u5faa\u73af\u5197\u4f59\u6821\u9a8c\u7801<\/strong>(Cyclic Redundancy Check\uff0cCRC<\/strong>)\u662f\u4e00\u79cd\u5e38\u7528\u7684\u6570\u636e\u4f20\u8f93\u9519\u8bef\u68c0\u6d4b\u6280\u672f\u3002CRC\u901a\u8fc7\u5bf9\u6570\u636e\u8fdb\u884c\u6570\u5b66\u8fd0\u7b97\uff0c\u751f\u6210\u4e00\u4e2a\u6821\u9a8c\u7801\uff0c\u7528\u4e8e\u5224\u65ad\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u662f\u5426\u51fa\u73b0\u4e86\u9519\u8bef\u3002\u672c\u6587\u5c06\u4ecb\u7ecdCRC\u7684\u8ba1\u7b97\u6b65\u9aa4\u548c\u5b9e\u73b0\u65b9\u6cd5\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001CRC<\/a><\/strong>\u7684\u8ba1\u7b97\u6b65\u9aa4<\/h2>\n\n\n\n

\u3000\u30001.\u9009\u62e9\u751f\u6210\u591a\u9879\u5f0f<\/h3>\n\n\n\n

\u3000\u3000\u5728\u8fdb\u884cCRC\u8ba1\u7b97\u65f6\uff0c\u9700\u8981\u5148\u9009\u62e9\u4e00\u4e2a\u751f\u6210\u591a\u9879\u5f0f\u3002\u751f\u6210\u591a\u9879\u5f0f\u662f\u4e00\u4e2a\u4e8c\u8fdb\u5236\u6570\uff0c\u5176\u4f4d\u6570\u51b3\u5b9a\u4e86\u6821\u9a8c\u7801\u7684\u957f\u5ea6\u3002\u5e38\u7528\u7684\u751f\u6210\u591a\u9879\u5f0f\u6709CRC-16\u3001CRC-32\u7b49\u3002\u4ee5CRC-16\u4e3a\u4f8b\uff0c\u5176\u751f\u6210\u591a\u9879\u5f0f\u4e3ax^16 + x^15 + x^2 + 1.<\/p>\n\n\n\n

\u3000\u30002.\u5c06\u6570\u636e\u548c\u6821\u9a8c\u7801\u8fdb\u884c\u586b\u5145<\/h3>\n\n\n\n

\u3000\u3000\u5728\u8fdb\u884cCRC\u8ba1\u7b97\u65f6\uff0c\u9700\u8981\u5c06\u6570\u636e\u548c\u6821\u9a8c\u7801\u8fdb\u884c\u586b\u5145\u3002\u586b\u5145\u7684\u65b9\u5f0f\u6709\u4e24\u79cd\uff1a\u4e00\u79cd\u662f\u5728\u6570\u636e\u672b\u5c3e\u6dfb\u52a00.\u76f4\u5230\u6570\u636e\u4f4d\u6570\u7b49\u4e8e\u751f\u6210\u591a\u9879\u5f0f\u7684\u4f4d\u6570\u51cf1;\u53e6\u4e00\u79cd\u662f\u5728\u6570\u636e\u672b\u5c3e\u6dfb\u52a0\u751f\u6210\u591a\u9879\u5f0f\u4f4d\u6570\u51cf1\u4e2a0.\u4f8b\u5982\uff0c\u5982\u679c\u751f\u6210\u591a\u9879\u5f0f\u4e3ax^16 + x^15 + x^2 + 1.\u90a3\u4e48\u5728\u7b2c\u4e00\u79cd\u65b9\u5f0f\u4e0b\uff0c\u9700\u8981\u5728\u6570\u636e\u672b\u5c3e\u6dfb\u52a015\u4e2a0.\u4f7f\u5176\u603b\u4f4d\u6570\u4e3a16;\u5728\u7b2c\u4e8c\u79cd\u65b9\u5f0f\u4e0b\uff0c\u9700\u8981\u5728\u6570\u636e\u672b\u5c3e\u6dfb\u52a015\u4e2a0\u548c\u4e00\u4e2a\u6821\u9a8c\u7801\u3002<\/p>\n\n\n\n

\u3000\u30003.\u8fdb\u884c\u9664\u6cd5\u8fd0\u7b97<\/h3>\n\n\n\n

\u3000\u3000\u5c06\u586b\u5145\u540e\u7684\u6570\u636e\u548c\u6821\u9a8c\u7801\u8f6c\u6362\u4e3a\u4e8c\u8fdb\u5236\u6570\uff0c\u5e76\u5c06\u751f\u6210\u591a\u9879\u5f0f\u5de6\u79fb\u4e00\u4f4d\u3002\u7136\u540e\uff0c\u5bf9\u6570\u636e\u8fdb\u884c\u9664\u6cd5\u8fd0\u7b97\uff0c\u5f97\u5230\u4f59\u6570\u3002\u4f59\u6570\u5373\u4e3aCRC\u6821\u9a8c\u7801\u3002\u5177\u4f53\u8fd0\u7b97\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000(1)\u5c06\u751f\u6210\u591a\u9879\u5f0f\u5de6\u79fb\u4e00\u4f4d\uff0c\u5e76\u5c06\u6570\u636e\u7684\u7b2c\u4e00\u4f4d\u79fb\u5165\u3002<\/li>\n\n\n\n
  • \u3000\u3000(2)\u5982\u679c\u6700\u9ad8\u4f4d\u4e3a1.\u5219\u7528\u751f\u6210\u591a\u9879\u5f0f\u5f02\u6216\u3002<\/li>\n\n\n\n
  • \u3000\u3000(3)\u5c06\u7ed3\u679c\u5de6\u79fb\u4e00\u4f4d\uff0c\u5e76\u5c06\u6570\u636e\u7684\u4e0b\u4e00\u4f4d\u79fb\u5165\u3002<\/li>\n\n\n\n
  • \u3000\u3000(4)\u91cd\u590d\u7b2c\u4e8c\u6b65\u548c\u7b2c\u4e09\u6b65\uff0c\u76f4\u5230\u6240\u6709\u6570\u636e\u90fd\u88ab\u5904\u7406\u5b8c\u3002<\/li>\n\n\n\n
  • \u3000\u3000(5)\u4f59\u6570\u5373\u4e3aCRC\u6821\u9a8c\u7801\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u4e8c\u3001CRC\u7684\u5b9e\u73b0\u65b9\u6cd5<\/h2>\n\n\n\n

    \u3000\u30001.\u786c\u4ef6\u5b9e\u73b0<\/h3>\n\n\n\n

    \u3000\u3000CRC\u7684\u786c\u4ef6\u5b9e\u73b0\u4e3b\u8981\u662f\u901a\u8fc7\u5bc4\u5b58\u5668\u8fdb\u884c\u8ba1\u7b97\u3002\u5bc4\u5b58\u5668\u7684\u4f4d\u6570\u7b49\u4e8e\u751f\u6210\u591a\u9879\u5f0f\u7684\u4f4d\u6570\u51cf1.\u5bf9\u4e8e\u6bcf\u4e2a\u8f93\u5165\u7684\u6bd4\u7279\uff0c\u5c06\u5176\u79fb\u5165\u5bc4\u5b58\u5668\u4e2d\uff0c\u5e76\u8fdb\u884c\u5f02\u6216\u8fd0\u7b97\u3002\u6700\u540e\uff0c\u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u5373\u4e3aCRC\u6821\u9a8c\u7801\u3002<\/p>\n\n\n\n

    \u3000\u30002.\u8f6f\u4ef6\u5b9e\u73b0<\/h3>\n\n\n\n

    \u3000\u3000CRC\u7684\u8f6f\u4ef6\u5b9e\u73b0\u4e3b\u8981\u662f\u901a\u8fc7\u7a0b\u5e8f\u8fdb\u884c\u8ba1\u7b97\u3002\u9996\u5148\u9700\u8981\u786e\u5b9a\u751f\u6210\u591a\u9879\u5f0f\uff0c\u7136\u540e\u5c06\u6570\u636e\u548c\u6821\u9a8c\u7801\u8fdb\u884c\u586b\u5145\uff0c\u5e76\u5c06\u5b83\u4eec\u8f6c\u6362\u4e3a\u4e8c\u8fdb\u5236\u6570\u3002\u63a5\u7740\uff0c\u8fdb\u884c\u9664\u6cd5\u8fd0\u7b97\uff0c\u5f97\u5230CRC\u6821\u9a8c\u7801\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cCRC\u901a\u5e38\u88ab\u7528\u4e8e\u7f51\u7edc\u4f20\u8f93\u3001\u5b58\u50a8\u8bbe\u5907\u3001\u65e0\u7ebf\u901a\u4fe1\u7b49\u9886\u57df\u3002CRC\u4e0d\u4ec5\u53ef\u4ee5\u68c0\u6d4b\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u662f\u5426\u51fa\u73b0\u4e86\u9519\u8bef\uff0c\u8fd8\u53ef\u4ee5\u68c0\u6d4b\u6570\u636e\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u7684\u9519\u8bef\u3002\u56e0\u6b64\uff0cCRC\u662f\u4e00\u79cd\u975e\u5e38\u5b9e\u7528\u7684\u6570\u636e\u4f20\u8f93\u9519\u8bef\u68c0\u6d4b\u6280\u672f\u3002<\/p>\n\n\n\n

    \u3000\u3000\u603b\u4e4b\uff0cCRC\u7684\u8ba1\u7b97\u6b65\u9aa4\u548c\u5b9e\u73b0\u65b9\u6cd5\u90fd\u6bd4\u8f83\u7b80\u5355\uff0c\u4f46\u662f\u9700\u8981\u6ce8\u610f\u9009\u7528\u5408\u9002\u7684\u751f\u6210\u591a\u9879\u5f0f\u548c\u586b\u5145\u65b9\u5f0f\u3002\u53ea\u6709\u6b63\u786e\u9009\u7528\u8fd9\u4e9b\u53c2\u6570\uff0c\u624d\u80fd\u4fdd\u8bc1CRC\u7684\u8ba1\u7b97\u7ed3\u679c\u6b63\u786e\u65e0\u8bef\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u5faa\u73af\u5197\u4f59\u6821\u9a8c\u7801(Cyclic Redundancy Check\uff0cCRC)\u662f\u4e00\u79cd\u5e38\u7528\u7684\u6570\u636e\u4f20\u8f93\u9519\u8bef\u68c0\u6d4b\u6280\u672f\u3002CRC\u901a\u8fc7\u5bf9\u6570\u636e\u8fdb\u884c\u6570\u5b66\u8fd0\u7b97\uff0c\u751f\u6210\u4e00\u4e2a\u6821\u9a8c\u7801\uff0c\u7528\u4e8e\u5224\u65ad\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u662f\u5426\u51fa\u73b0\u4e86\u9519\u8bef\u3002<\/p>\n","protected":false},"author":1,"featured_media":2105,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[151],"class_list":["post-5071","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-crc"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/5071"}],"collection":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/comments?post=5071"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/5071\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media\/2105"}],"wp:attachment":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media?parent=5071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=5071"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=5071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}