{"id":831,"date":"2022-06-21T19:39:32","date_gmt":"2022-06-21T11:39:32","guid":{"rendered":"https:\/\/damakey.com\/?p=831"},"modified":"2023-05-24T17:04:05","modified_gmt":"2023-05-24T09:04:05","slug":"%e7%be%8e%e6%84%9f%e6%94%b6%e7%b4%8d%e8%a1%93","status":"publish","type":"post","link":"https:\/\/damakey.com\/?p=831","title":{"rendered":"\u7f8e\u611f\u6536\u7d0d\u8853"},"content":{"rendered":"

<\/a>
<\/span><\/p>\n

 <\/p>\n

\u300e\u6536\u7d0d\u7d93\u5e38\u6df7\u5408\u4e86\u6240\u8b02\u6975\u7c21\u4e3b\u7fa9\u7684\u6982\u5ff5\uff0c\u4f46\u4e8b\u5be6\u4e0a\u5b83\u5011\u662f\u5169\u4ef6\u5b8c\u5168\u4e0d\u540c\u7684\u4e8b\u3002\u6975\u7c21\u4e3b\u7fa9\u88ab\u8a8d\u70ba\u662f\u4e3b\u5f35\u751f\u6d3b\u4e2d\u8d8a\u5c11\u6771\u897f\u8d8a\u597d\uff1b\u6536\u7d0d\u5247\u662f\u4ee5\u6709\u6548\u4e14\u898f\u5f8b\u7684\u65b9\u5f0f\u7ba1\u7406\u5404\u7a2e\u4e8b\u7269\u3002\u6975\u7c21\u4e3b\u7fa9\u662f\u4e00\u7a2e\u8a2d\u8a08\u98a8\u683c\u6216\u751f\u6d3b\u65b9\u5f0f\u7684\u9078\u64c7\u3002\u6536\u7d0d\u4e26\u4e0d\u4ee3\u8868\u4f60\u5fc5\u9808\u64c1\u6709\u7684\u6771\u897f\u6e1b\u5230\u6700\u5c11\uff0c\u800c\u662f\u5f37\u8abf\u4f60\u5c0d\u65bc\u81ea\u5df1\u64c1\u6709\u7684\u6771\u897f\u5fc5\u9808\u597d\u597d\u60f3\u4e00\u60f3\u3002\u4f60\u5fc5\u9808\u8a8d\u771f\u5c0d\u5f85\u4f60\u7684\u6771\u897f\u548c\u4f60\u7684\u751f\u6d3b\u7a7a\u9593\u3002<\/span>……<\/span>\u300f<\/span>*<\/span><\/p>\n

 <\/p>\n

\u300a\u7f8e\u611f\u6536\u7d0d\u8853\u300b\u7684\u57fa\u672c\u54f2\u5b78\u662f<\/span>80\/20<\/span>\u6cd5\u5247\uff0c\u5c45\u5bb6\u7a7a\u9593\u7684\u4f7f\u7528\u4e0d\u8981\u8d85\u904e\u516b\u5206\u6eff\uff0c\u81f3\u5c11\u8981\u4fdd\u7559\u5169\u6210\u7684\u8c41\u9918\u7a7a\u9593\u3002<\/span><\/p>\n

 <\/p>\n

\u6bcf\u7576\u60f3\u8981\u53d6\u5f97\u4e00\u4ef6\u65b0\u7684\u7269\u4ef6\u6642\uff0c\u5148\u60f3\u4e00\u60f3\uff0c\u5230\u5e95\u53ef\u4ee5\u6536\u7d0d\u5230\u5bb6\u88cf\u7684\u54ea\u4e00\u500b\u7a7a\u9593\u3002\u5982\u679c\u6c92\u6709\uff0c\u5c31\u4e0d\u8981\u99ac\u4e0a\u53bb\u53d6\u5f97\uff0c\u5fc5\u9808\u5805\u6301\u5148\u60f3\u8fa6\u6cd5\u632a\u51fa\u6536\u7d0d\u7a7a\u9593\u518d\u8cfc\u8cb7\uff0c\u90a3\u9ebc\u5c31\u4e0d\u6703\u6771\u897f\u8d8a\u8cb7\u8d8a\u591a\uff0c\u800c\u5bb6\u88e1\u4e5f\u4e0d\u6703\u8b8a\u5f97\u8d8a\u5806\u8d8a\u4e82\u4e86\u3002<\/span><\/p>\n

 <\/p>\n

\u300a\u7f8e\u611f\u6536\u7d0d\u8853\u300b\u9019\u672c\u66f8\u4e26\u4e0d\u4e3b\u5f35\u65b7\u6368\u96e2\u7684\u7d55\u6c7a\u65b9\u6cd5\uff0c\u800c\u662f\u5efa\u8b70\u5728\u4fdd\u6301\u516b\u6210\u6eff\u7684\u7a7a\u9593\u4f7f\u7528\u7387\u4e4b\u4e0b\uff0c\u628a\u6771\u897f\u6536\u7d0d\u5f97\u4e95\u4e95\u6709\u689d\u3002<\/span><\/p>\n

 <\/p>\n

\u628a\u4e95\u7136\u6709\u5e8f\u7684\u6536\u7d0d\u7576\u6210\u662f\u4e00\u500b\u751f\u6d3b\u7684\u76ee\u7684\uff0c\u4e26\u4e0d\u5fc5\u7136\u9020\u6210\u6211\u5011\u592a\u5927\u7684\u75db\u82e6\uff0c\u70ba\u4ec0\u9ebc\u5462\uff1f<\/span><\/p>\n

 <\/p>\n

\u5982\u679c\u628a\u7269\u54c1\u52a0\u4ee5\u5206\u985e\uff0c\u53ef\u5206\u70ba\uff1a<\/span><\/p>\n

 <\/p>\n

    \n
  1. <\/span>\u4f60\u559c\u6b61\u7684\u6771\u897f\u3002<\/span><\/li>\n
  2. \u4f60\u9700\u8981\u7684\u6771\u897f\u3002<\/span><\/li>\n
  3. <\/span>\u4f60\u6709\u611f\u60c5\u7684\u6771\u897f\u3002<\/span><\/li>\n
  4. <\/span>\u4f60\u89ba\u5f97\u9700\u8981\u7684\u6771\u897f\u3002<\/span><\/li>\n<\/ol>\n

    <\/span><\/p>\n

    \u9019\u5176\u4e2d\u7684\u7b2c<\/span>4<\/span>\u9805\uff0c\u300c\u4f60\u89ba\u5f97\u9700\u8981\u7684\u6771\u897f\u300d\uff0c\u4e5f\u5c31\u662f<\/span>nice to have <\/span>\u7684\u6771\u897f\uff0c\u6578\u8207\u91cf\u6700\u5927\uff0c\u800c\u5176\u5be6\u7d55\u5927\u591a\u6578<\/span>(<\/span>\u9054\u5230<\/span>99%)<\/span>\u4e26\u4e0d\u771f\u7684\u9700\u8981\u3002<\/span><\/p>\n

     <\/p>\n

    \u5c0d\u65bc\u300c\u89ba\u5f97\u9700\u8981\u7684\u6771\u897f\u300d\uff0c\u5728\u53d6\u5f97\u4e4b\u524d\u5148\u60f3\u4e00\u60f3\uff0c\u5bb6<\/span>\ud855\ude83\u9084\u6709\u6c92\u6709\u7a7a\u9593\u53ef\u4ee5\u6536\u7d0d\uff0c\u518d\u6c7a\u5b9a\u662f\u5426\u8cfc\u8cb7\uff0c\u9019\u5c31\u662f\u4e00\u7a2e\u975e\u5e38\u7c21\u55ae\u7684\u63a7\u7ba1\u6a5f\u5236\u3002<\/span><\/p>\n

     <\/p>\n

    \u8863\u6ac3\u5df2\u7d93\u6eff\u4e86<\/span>(<\/span>\u516b\u6210\u6eff<\/span>)<\/span>\uff0c\u5982\u679c\u770b\u4e0a\u4e00\u4ef6\u81ea\u5df1\u89ba\u5f97\u9700\u8981\u7684\u8863\u670d\u600e\u9ebc\u8fa6\u5462\uff1f\u90a3\u9ebc\u5c31\u5148\u6dd8\u6c70\u4e00\u4ef6\u6bd4\u8f03\u4e0d\u9700\u8981\u7684\u820a\u8863\u670d\uff0c\u632a\u9a30\u51fa\u6536\u7d0d\u7a7a\u9593\u518d\u8cb7\u5427\uff0c\u9019\u6a23\u4e5f\u4e0d\u81f3\u65bc\u592a\u75db\u82e6\u3002<\/span><\/p>\n

     <\/p>\n

    \u300a\u7f8e\u611f\u6536\u7d0d\u8853\u300b\u5efa\u8b70\u907f\u514d\u7a7a\u9593\u4e0d\u5920\u7684\u4e94\u500b\u8a23\u7ac5<\/span>*<\/span>\uff1a<\/span><\/p>\n

     <\/p>\n

      \n
    1. <\/span>\u4e0d\u8981\u518d\u8cb7\u8863\u67b6\u4e86\uff0c\u8a72\u6709\u7684\u4f60\u90fd\u6709\u4e86\u3002<\/span><\/li>\n
    2. <\/span>\u6bcf\u6a23\u6771\u897f\u90fd\u8981\u6536\u7d0d\uff0c\u9019\u6a23\u624d\u77e5\u9053\u4ec0\u9ebc\u5730\u65b9\u5df2\u7d93\u64fa\u4e0d\u4e0b\u4e86\u3002<\/span><\/li>\n
    3. <\/span>\u6bcf\u6b21\u8cb7\u6771\u897f\u4e4b\u524d\uff0c\u554f\u554f\u81ea\u5df1\uff1a\u300c\u9019\u500b\u6771\u897f\u8981\u653e\u5728\u54ea\u88e1\uff1f\u300d\u5982\u679c\u6c92\u6709\u7b54\u6848\uff0c\u5c31\u4e0d\u8981\u628a\u5b83\u5e36\u56de\u5bb6\u3002<\/span><\/li>\n
    4. <\/span>\u6bcf\u5e74\u64a5\u51fa\u4e00\u5169\u6b21\u6642\u9593\uff0c\u91cd\u65b0\u6aa2\u8996\u548c\u5b89\u6392\u4f60\u7684\u7a7a\u9593\u3002<\/span><\/li>\n
    5. <\/span>\u628a\u81ea\u5df1\u62f7\u8d77\u4f86\uff0c\u78ba\u4fdd\u4f60\u4e0d\u6703\u51fa\u9580\u8cb7\u66f4\u591a\u6771\u897f\u3002<\/span>(<\/span>\u4e0a\u7db2\u8cb7\u5c31\u5241\u624b<\/span>)<\/span><\/li>\n<\/ol>\n

       <\/p>\n

      \u81f3\u65bc\u600e\u9ebc\u6536\u7d0d\u5462\uff1f<\/span><\/p>\n

       <\/p>\n

      \u653e\u5728\u56fa\u5b9a\u4f4d\u7f6e\u3001\u540c\u985e\u76f8\u95dc\u7684\u6771\u897f\u653e\u4e00\u8d77\u3001\u7528\u900f\u660e\u7bb1\u3001\u9810\u7559\u7a7a\u9593\u3001\u52a0\u4e0a\u6a19\u7c64\u3001\u8868\u9762\u64e6\u62ed\u4e7e\u6de8\u7b49\u7b49\uff0c\u4e0d\u4e00\u800c\u8db3\u3002<\/span><\/p>\n

       <\/p>\n

      \u300e\u6536\u7d0d\u662f\u4e00\u7a2e\u884c\u52d5\uff0c\u4e5f\u662f\u4e00\u7a2e\u614b\u5ea6\u300f<\/span>* <\/span>\u4ee3\u8868\u6536\u7d0d\u4e0d\u53ef\u4ee5\u662f\u4e09\u5206\u9418\u71b1\u5ea6\u3002<\/span><\/p>\n

       <\/p>\n

      \u800c\u300c\u6536\u7d0d\u300d\u7684\u76ee\u7684\uff0c\u5728\u65bc\u964d\u4f4e\u4e0d\u78ba\u5b9a\u6027\uff0c\u90a3\u9ebc\u5c31\u4e0d\u7528\u82b1\u591a\u9918\u7684\u6642\u9593\u53bb\u5c0b\u627e\u4e86\u3002<\/span><\/p>\n

       <\/p>\n

      \u300c\u6536\u7d0d\u300d\u7684\u597d\u8655\uff0c\u5fc5\u9808\u4e8b\u5148\u4ed8\u51fa\u6574\u7406\u3001\u7de8\u78bc\u7684\u529b\u6c23\uff0c\u662f\u6709\u6210\u672c\u7684\u3002\u4f9d\u7167\u300c\u8cc7\u8a0a\u7406\u8ad6\u300d\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u4e4b\u8a08\u7b97\u51fa\u4f86\u3002<\/span><\/p>\n

       <\/p>\n

      \u8b6c\u5982\uff0c\u5047\u8a2d\u5bb6\u4e2d\u6709<\/span>2<\/span>\u500b\u6536\u7d0d\u7a7a\u9593\uff0c\u90a3\u8981\u82b1\u591a\u5c11\u529b\u6c23\u53bb\u4e8b\u5148\u505a\u597d\u6536\u7d0d\u5462\uff1f\u7269\u54c1\u5728\u7b2c<\/span>1<\/span>\u500b\u6536\u7d0d\u7a7a\u9593\u7684\u6a5f\u7387\u5047\u8a2d\u70ba<\/span>p(x1)=1\/2<\/span>\uff1b\u5728\u7b2c<\/span>2<\/span>\u500b\u6536\u7d0d\u7a7a\u9593\u7684\u6a5f\u7387\u5047\u8a2d\u70ba<\/span>p(x2)=1\/2<\/span>\u3002\u90a3\u9ebc\u8981\u628a\u6771\u897f\u6536\u7d0d\u597d<\/span>(<\/span>\u7de8\u78bc\u597d\u76f4\u63a5\u627e\u5230<\/span>)<\/span>\uff0c\u6240\u9700\u8981\u4f7f\u7528\u7684\u8cc7\u8a0a\u91cf<\/span>(bit <\/span>\u6578<\/span>) Ie=-log2(p(xi))=1 <\/span>\u3002\u610f\u601d\u662f\u8aaa\u53ea\u8981\u7528<\/span>2<\/span>\u9032\u4f4d\u7684<\/span>1<\/span>\u500b<\/span>bit<\/span>\uff0c<\/span>0<\/span>\u548c<\/span>1<\/span>\uff0c\u5c31\u53ef\u4ee5\u7de8\u78bc\u6536\u7d0d\u5b8c\u6210\u3002<\/span><\/p>\n

       <\/p>\n

      \u5982\u679c\u6709<\/span>4<\/span>\u500b\u6536\u7d0d\u7a7a\u9593\uff0c\u5047\u8a2d\u6771\u897f\u51fa\u73fe\u5728\u6bcf\u500b\u6536\u7d0d\u7a7a\u9593\u7684\u6a5f\u7387\u7686\u76f8\u7b49\u70ba<\/span>1\/4<\/span>\uff0c<\/span>p(x1)=1\/4<\/span>\uff1b<\/span>p(x2)=1\/4<\/span>\uff1b<\/span>p(x3)=1\/4<\/span>\uff1b<\/span>p(x4)=1\/4<\/span>\uff1b\u8cc7\u8a0a\u91cf<\/span>Ie=-log2(p(xi))=2<\/span>\u3002\u610f\u601d\u5c31\u662f\u5fc5\u9808\u7528<\/span>2<\/span>\u9032\u4f4d\u7684<\/span>2<\/span>\u500b<\/span>bits<\/span>\u624d\u80fd\u7de8\u78bc\u6536\u7d0d\u5b8c\u6210\uff1a<\/span>00<\/span>\uff1b<\/span>01<\/span>\uff1b<\/span>10<\/span>\uff1b<\/span>11<\/span>\u3002<\/span><\/p>\n

       <\/p>\n

      \u5982\u679c\u6709<\/span>8<\/span>\u500b\u6536\u7d0d\u7a7a\u9593\uff0c\u5047\u8a2d\u6771\u897f\u51fa\u73fe\u5728\u6bcf\u500b\u6536\u7d0d\u7a7a\u9593\u7684\u6a5f\u7387\u7686\u76f8\u7b49\u70ba<\/span>1\/8<\/span>\uff0c<\/span>p(x1)=1\/8<\/span>\uff1b<\/span>p(x2)=1\/8<\/span>\uff1b<\/span>p(x3)=1\/8<\/span>\uff1b<\/span>p(x4)=1\/8<\/span>\uff1b<\/span>p(x5)=1\/8<\/span>\uff1b<\/span>p(x6)=1\/8<\/span>\uff1b<\/span>p(x7)=1\/8<\/span>\uff1b<\/span>p(x8)=1\/8<\/span>\uff1b\u8cc7\u8a0a\u91cf<\/span>Ie=-log2(p(xi))=3<\/span>\u3002\u610f\u601d\u5c31\u662f\u5fc5\u9808\u7528<\/span>2<\/span>\u9032\u4f4d\u7684<\/span>3<\/span>\u500b<\/span>bits<\/span>\u624d\u80fd\u7de8\u78bc\u6536\u7d0d\u5b8c\u6210\uff1a<\/span>000<\/span>\uff1b<\/span>001<\/span>\uff1b<\/span>010<\/span>\uff1b<\/span>011<\/span>\uff1b<\/span>100<\/span>\uff1b<\/span>101<\/span>\uff1b<\/span>110<\/span>\uff1b<\/span>111<\/span>\u3002<\/span><\/p>\n

       <\/p>\n

      \u4ee5\u6b64\u985e\u63a8\u3002<\/span>(<\/span>\u7576\u7136\u4ee5\u4e0a\u70ba\u4e86\u4fbf\u65bc\u8a08\u7b97\uff0c\u628a<\/span>p(xi)<\/span>\u90fd\u5047\u8a2d\u4e00\u6a23\uff0c\u800c\u5be6\u969b\u7684\u72c0\u6cc1\u4e26\u975e\u5982\u6b64\u3002<\/span>)<\/span><\/p>\n

       <\/p>\n

      \u5728\u71b1\u529b\u5b78\u4e2d\u6709\u4e00\u500b\u53eb\u505a\u300c\u71b5\u300d<\/span>(<\/span>\u97f3\u300c\u5546\u300d<\/span>)<\/span>\u7684\u6982\u5ff5\uff0c\u662f\u7528\u4f86\u8861\u91cf\u4e00\u500b\u7cfb\u7d71\u7684\u4e82\u5ea6\u3002\u4e00\u500b\u6108\u4e82\u7684\u7cfb\u7d71\uff0c\u8981\u628a\u5b83<\/span>(<\/span>\u7de8\u78bc<\/span>)<\/span>\u6536\u7d0d\u6240\u9700\u7684\u8cc7\u8a0a\u91cf\u91cf\u5c31\u6108\u5927\u3002\u5229\u7528\u300c\u71b5\u300d\u7684\u6982\u5ff5\uff0c\u6211\u5011\u53ef\u4ee5\u8a08\u7b97\u51fa\u4e00\u500b\u7cfb\u7d71\u7684\u4e82\u5ea6\u300c\u71b5\u300d\u70ba\uff1a<\/span><\/p>\n

       <\/p>\n

      \u71b5<\/span>=H(x)=p(x1)*(-log2(p(x1))+ p(x2)*(-log2(p(x2))+ p(x3)*(-log2(p(x3))+…+ p(xn)*(-log2(p(xn)) =∑p(xi)* (-log2(p(xi))<\/span><\/p>\n

       <\/p>\n

      (Log2<\/span>\u4ee3\u8868\u4ee5<\/span>2<\/span>\u70ba\u5e95\u7684\u5c0d\u6578\uff0c\u7de8\u78bc\u7684\u55ae\u4f4d\u70ba<\/span>2<\/span>\u9032\u4f4d\u7684<\/span>bit)<\/span><\/p>\n

       <\/p>\n

      \u5728\u6982\u5ff5\u4e0a\uff0c\u5982\u679c\u5bb6<\/span>\ud855\ude83\u7684\u6771\u897f\u4e00\u5718\u6df7\u4e82\uff0c\u90a3\u9ebc\u7528<\/span>2<\/span>\u5206\u6cd5\u53bb\u5c0b\u627e\uff0c\u300c\u71b5\u300d\u5c31\u4ee3\u8868\u52a0\u6b0a\u5e73\u5747\u7684\u5c0b\u627e\u6b21\u6578\u4e86\u3002<\/span><\/p>\n

       <\/p>\n

      \u628a\u6771\u897f<\/span>xi(<\/span>\u7de8\u78bc<\/span>)<\/span>\u6536\u7d0d\u597d\uff0c\u6240\u9700\u7684\u8cc7\u8a0a\u91cf<\/span>Ie=-log2(p(xi))<\/span>\uff0c\u5c31\u7b49\u65bc\u4e8b\u5148\u5fc5\u9808\u4ed8\u51fa\u7684\u4ee3\u50f9\u3002\u4e00\u65e6<\/span>(<\/span>\u7de8\u78bc<\/span>)<\/span>\u6536\u7d0d\u597d\uff0c\u7b49\u5230\u8981\u7528\u5230\u6642\uff0c\u7406\u8ad6\u4e0a\u4e0d\u592a\u9700\u8981\u627e<\/span>(<\/span>\u6700\u6975\u81f4\u7684\u662f\u76f4\u63a5\u627e\u5230<\/span>)<\/span>\u3002<\/span><\/p>\n

       <\/p>\n

      \u70ba\u4ec0\u9ebc\u6709\u4eba\u4e3b\u5f35\u65b7\u6368\u96e2\uff1f\u90a3\u5c31\u662f\u964d\u4f4e<\/span>(<\/span>\u7de8\u78bc<\/span>)<\/span>\u6536\u7d0d\u6240\u9700\u8981\u7684\u8cc7\u8a0a\u91cf<\/span>Ie<\/span>\u3002\u50cf\u96f2\u904a\u56db\u6d77\u7684\u50e7\u4eba\uff0c\u53ea\u6709\u5e7e\u4ef6\u8872\u8863\u3001\u932b\u6756\u3001\u6258\u9262\u3001\u5e03\u978b\uff0c\u5e7e\u4e4e\u5b8c\u5168\u4e0d\u9700\u8981<\/span>(<\/span>\u7de8\u78bc<\/span>)<\/span>\u6536\u7d0d\u554a\uff01<\/span><\/p>\n

       <\/p>\n

      \u800c\u70ba\u4ec0\u9ebc\u6709\u4e9b\u5c0f\u6771\u897f\uff0c\u6211\u5011\u53ef\u80fd\u6703\u5c07\u5176\u76f4\u63a5\u6df7\u5728\u4e00\u8d77\uff0c\u800c\u4e0d\u662f\u4e00\u4e00<\/span>(<\/span>\u7de8\u78bc<\/span>)<\/span>\u6536\u7d0d\u5462\uff1f\u90a3\u662f\u56e0\u70ba\u76f8\u5c0d\u65bc\u641c\u5c0b\u7684\u6210\u672c\uff0c\u4e8b\u5148\u4e00\u4e00<\/span>(<\/span>\u7de8\u78bc<\/span>)<\/span>\u6536\u7d0d\u7684\u6210\u672c\u986f\u5f97\u592a\u9ad8\u7684\u7de3\u6545\u5427\uff01<\/span><\/p>\n

       <\/p>\n

      \u8b1b\u5230\u6536\u7d0d\uff0c\u4f9d\u7167\u300c\u8cc7\u8a0a\u7406\u8ad6\u300d\u4e2d\u300c\u71b5\u300d\u7684\u8a08\u7b97\u5c31\u53ef\u4ee5\u77e5\u9053\uff0c\u4e26\u4e0d\u662f\u6240\u6709\u7684\u6771\u897f\u90fd\u8981<\/span>(<\/span>\u7de8\u78bc<\/span>)<\/span>\u6536\u7d0d\u597d\u7684\uff0c\u4e00\u5207\u7686\u5728\u65bc\u6210\u672c\u6548\u76ca\u7684\u8003\u91cf\u4e4b\u4e2d\u3002\u4f46\u662f\uff0c\u5982\u679c\u90fd\u4e0d<\/span>(<\/span>\u7de8\u78bc<\/span>)<\/span>\u6536\u7d0d\uff0c\u90a3\u6771\u897f\u53ef\u80fd\u51fa\u73fe\u7684\u4f4d\u7f6e\u5c07\u5448\u73fe\u6307\u6578\u51fd\u6578\u5f0f\u7684\u905e\u589e\uff0c\u641c\u5c0b\u7684\u96e3\u5ea6<\/span>(<\/span>\u6b21\u6578<\/span>)<\/span>\u6703\u589e\u52a0\uff0c\u4e5f\u662f\u60c5\u7406\u4e4b\u4e2d\u7684\u4e8b\u3002<\/span><\/p>\n

       <\/p>\n

      \u6771\u897f\u7684\u6536\u7d0d\uff0c\u5982\u679c\u5bb6\u4e2d\u4eba\u53e3\u591a\uff0c\u6703\u589e\u52a0\u5b83\u7dad\u6301\u7684\u96e3\u5ea6\u3002\u4e00\u500b\u5c0f\u5c0f\u7684\u978b\u6ac3\uff0c\u591a\u4eba\u4f7f\u7528\u4e4b\u4e0b\uff0c\u5c31\u5f88\u56f0\u96e3\u7dad\u6301\u4f4f\u4e86\uff0c\u66f4\u60f6\u8ad6\u5176\u4ed6\u7684\u4e86\u3002\u505a\u5abd\u5abd\u7684\u7e3d\u662f\u8ffd\u8457\u8981\u6c42\u5927\u5bb6\uff0c\u628a\u6771\u897f\u653e\u56de\u539f\u4f4d\uff0c\u90a3\u662f\u56e0\u70ba\u5979\u4e86\u89e3\u4e8b\u5f8c\u641c\u5c0b\u7684\u75db\u82e6\uff0c\u800c\u9019\u500b\u5be6\u52d9\u548c\u300c\u7406\u8cc7\u7406\u8ad6\u300d\u7684\u300c\u71b5\u300d\u662f\u76f8\u5408\u7684\u3002\u5abd\u5abd\u4e26\u4e0d\u5fc5\u7136\u7cbe\u65bc\u8a08\u7b97\uff0c\u800c\u662f\u5979\u81ea\u7136\u6df1\u660e\u9019\u500b\u5b87\u5b99\u904b\u884c\u7684\u5967\u7fa9\u554a\uff01<\/span><\/p>\n

       <\/p>\n

      \u300c\u71b5\u300d<\/span>(entropy)<\/span>\u6709\u4eba\u7ffb\u8b6f\u70ba\u300c\u80fd\u8da8\u75b2\u300d\uff0c\u4ee3\u8868\u4e00\u500b\u4e0d\u4ed8\u51fa\u7cbe\u529b\u53bb\u6574\u7406\u7684\u4e16\u754c\uff0c\u6703\u81ea\u7136\u8da8\u5411\u6700\u5927\u7684\u4e82\u5ea6\u3002\u96d6\u7136\u9019\u9ede\u5728\u5b78\u7406\u4e0a\u9084\u6709\u4e00\u4e9b\u722d\u8b70\uff0c\u4f46\u662f\u56de\u982d\u5be9\u8996\u4e00\u4e0b\u6211\u5011\u6eab\u6696\u7684\u5bb6\uff0c\u5982\u679c\u4e0d\u7d93\u5e38\u6574\u7406\uff0c\u4e0d\u4e5f\u5c31\u662f\u5982\u6b64\u554a\uff01<\/span><\/p>\n

       <\/p>\n

      \u300a\u7f8e\u611f\u6536\u7d0d\u8853\u300b\u4e00\u66f8\u6240\u5efa\u8b70\u7684\u65b9\u6cd5\uff0c\u6c92\u6709\u767d\u5403\u7684\u5348\u9910\uff0c\u76f8\u4fe1\u4e5f\u4e0d\u662f\u6bcf\u500b\u4eba\u505a\u5f97\u5230\u6216\u9858\u610f\u53bb\u505a\u5230\u7684\u3002\u4e0d\u904e\u5bb6<\/span>\ud855\ude83\u5982\u679c\u592a\u4e82\uff0c\u6703\u5f71\u97ff\u7684\u4e0d\u53ea\u627e\u4e0d\u5230\u6771\u897f\uff0c\u9084\u6703\u4ee4\u4eba\u5fc3\u7169\u610f\u4e82\uff0c\u6216\u8a31\u662f\u56e0\u70ba\u6211\u5011\u8166\u888b\u7684\u8a18\u61b6\uff0c\u9700\u8981\u67d0\u7a2e\u7fd2\u4ee5\u70ba\u5e38\u7684\u79e9\u5e8f\u6240\u81f4\u3002\u6240\u4ee5\uff0c\u5982\u679c\u7121\u6cd5\u96a8\u6642\u6536\u7d0d\u597d\u6771\u897f\uff0c\u4e0d\u6642\u6574\u7406\u3001\u6253\u6383\u4e00\u4e0b\uff0c\u5728\u5fc3\u7406\u5b78\u4e0a\u4e5f\u662f\u63d0\u632f\u500b\u4eba\u7cbe\u795e\u7684\u597d\u65b9\u6cd5\u5462\uff01<\/span><\/p>\n

       <\/p>\n

      \u70ba\u6bcd\u5247\u5f37\uff0c\u505a\u5abd\u5abd\u7684\u7e3d\u662f\u6709\u5957\u795e\u5947\u7684<\/span>(<\/span>\u7de8\u78bc<\/span>)<\/span>\u6536\u7d0d\u7684\u65b9\u6cd5\uff0c\u5e6b\u6211\u5011\u5feb\u901f\u627e\u5230\u6771\u897f\u3002\u4f46\u662f\u5982\u679c\u7528\u5b8c\u4e0d\u7269\u6b78\u539f\u8655\uff0c\u4e0b\u4e00\u6b21\u5c31\u662f\u4ee4\u4eba\u5d29\u6f70\u3001\u4e0a\u5c0b\u78a7\u843d\u4e0b\u9ec3\u6cc9\u7684\u5927\u5c0b\u627e\u3002\u4e0d\u7528\u4efb\u4f55\u7406\u8ad6\uff0c\u5927\u5bb6\u61c9\u8a72\u77e5\u9053\u600e\u9ebc\u505a\uff0c\u624d\u662f\u5c0d\u5abd\u5abd\u6700\u5b5d\u9806\u7684\u65b9\u5f0f\u5427\uff01<\/span><\/p>\n

       <\/p>\n

      \u628a\u5abd\u5abd\u7684\u611b\u5fc3\uff0c<\/span>(<\/span>\u7de8\u78bc<\/span>)<\/span>\u6536\u7d0d\u56de\u5b83\u539f\u4f86\u61c9\u8a72\u5b89\u4f4f\u7684\u8001\u5730\u65b9\u3002<\/span><\/p>\n

       <\/p>\n

       <\/p>\n

      *<\/span>\uff1a\u300a\u7f8e\u611f\u6536\u7d0d\u8853\u300b\uff0c\u514b\u8389\u4e9e·\u5e2d\u723e<\/span> <\/span>\u55ac\u5b89\u5a1c·\u6cf0\u666e\u6797<\/span> <\/span>\u8457\uff0c\u7f85\u96c5\u6db5<\/span> <\/span>\u8b6f<\/span><\/p>\n

       <\/p>\n

      2022\/6\/21 <\/span>\u7f8e\u611f\u6536\u7d0d\u8853<\/span> Damakey<\/span><\/p>\n

       <\/p>\n

       <\/p>\n

       <\/p>\n

       <\/p>\n

       <\/p>\n","protected":false},"excerpt":{"rendered":"

        \u300e\u6536\u7d0d\u7d93\u5e38\u6df7\u5408\u4e86\u6240\u8b02\u6975\u7c21\u4e3b\u7fa9\u7684\u6982\u5ff5\uff0c\u4f46\u4e8b\u5be6\u4e0a\u5b83…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-831","post","type-post","status-publish","format-standard","hentry","category-3"],"_links":{"self":[{"href":"https:\/\/damakey.com\/index.php?rest_route=\/wp\/v2\/posts\/831","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/damakey.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/damakey.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/damakey.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/damakey.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=831"}],"version-history":[{"count":1,"href":"https:\/\/damakey.com\/index.php?rest_route=\/wp\/v2\/posts\/831\/revisions"}],"predecessor-version":[{"id":19835,"href":"https:\/\/damakey.com\/index.php?rest_route=\/wp\/v2\/posts\/831\/revisions\/19835"}],"wp:attachment":[{"href":"https:\/\/damakey.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/damakey.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/damakey.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}