\u5728\u6211\u4eec\u7684\u65e5\u5e38\u751f\u6d3b\u4e2d\uff0c\u6ee4\u7f51\u65e0\u5904\u4e0d\u5728\u3002\u65e0\u8bba\u662f\u53a8\u623f\u4e2d\u7684\u8fc7\u6ee4\u5668\uff0c\u8fd8\u662f\u7a7a\u8c03\u7cfb\u7edf\u4e2d\u7684\u8fc7\u6ee4\u7f51\uff0c\u5b83\u4eec\u90fd\u53d1\u6325\u7740\u91cd\u8981\u7684\u4f5c\u7528\u3002\u4eca\u5929\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u4e00\u4e2a\u6709\u8da3\u7684\u4e3b\u9898\u2014\u2014\u6ee4\u7f51\u4e0e\u6ee4\u901a\u6bd4\u7684\u5173\u7cfb\u3002<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u6765\u4e86\u89e3\u4e00\u4e0b\u6ee4\u901a\u6bd4\uff08Filtering Passability Ratio\uff0c\u7b80\u79f0FPR\uff09\u7684\u6982\u5ff5\u3002\u6ee4\u901a\u6bd4\u662f\u8861\u91cf\u6ee4\u7f51\u8fc7\u6ee4\u6548\u679c\u7684\u91cd\u8981\u6307\u6807\uff0c\u5b83\u8868\u793a\u6ee4\u7f51\u5355\u4f4d\u65f6\u95f4\u5185\u901a\u8fc7\u7684\u5fae\u7c92\u6570\u91cf\u3002\u6ee4\u901a\u6bd4\u8d8a\u9ad8\uff0c\u6ee4\u7f51\u7684\u8fc7\u6ee4\u6548\u679c\u8d8a\u597d\u3002<\/p>\n
\u5f53\u6211\u4eec\u8c08\u8bba\u6ee4\u7f51\u4e09\u65f6\uff0c\u6211\u4eec\u6307\u7684\u662f\u6709\u4e09\u4e2a\u8fc7\u6ee4\u5c42\u7684\u6ee4\u7f51\u3002\u8fd9\u79cd\u7ed3\u6784\u7684\u6ee4\u7f51\u901a\u5e38\u7531\u7c97\u6ee4\u5c42\u3001\u7ec6\u6ee4\u5c42\u548c\u4fdd\u62a4\u5c42\u7ec4\u6210\u3002\u76f8\u5bf9\u4e8e\u5176\u4ed6\u6ee4\u7f51\uff0c\u6ee4\u7f51\u4e09\u7684\u7279\u6b8a\u4e4b\u5904\u5728\u4e8e\u5176\u591a\u5c42\u6b21\u7684\u8fc7\u6ee4\u7ed3\u6784\u3002<\/p>\n
\u90a3\u4e48\uff0c\u6ee4\u7f51\u4e09\u7684\u6ee4\u901a\u6bd4\u662f\u591a\u5c11\u5462\uff1f\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u6ee4\u901a\u6bd4\u7684\u5b9a\u4e49\uff0c\u901a\u8fc7\u6570\u5b66\u516c\u5f0f\u6765\u8ba1\u7b97\u3002\u5047\u8bbe\u6bcf\u4e2a\u5c42\u6b21\u7684\u6ee4\u7f51\u5355\u4f4d\u9762\u79ef\u4e0a\u6709n\u4e2a\u5fae\u5b54\uff0c\u5fae\u5b54\u7684\u76f4\u5f84\u4e3ad\uff08\u03bcm\uff09\uff0c\u6bcf\u5c42\u6ee4\u7f51\u7684\u539a\u5ea6\u4e3ah\uff08mm\uff09\uff0c\u6ee4\u7f51\u7684\u957f\u5ea6\u548c\u5bbd\u5ea6\u5206\u522b\u4e3aL\u548cW\uff08mm\uff09\uff0c\u5219\u6ee4\u7f51\u4e09\u7684\u6ee4\u901a\u6bd4\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97\uff1a<\/p>\n
FPR = (n * \u03c0 * (d\/10000)\u00b2 * h) * L * W<\/p>\n
\u8fd9\u4e2a\u516c\u5f0f\u544a\u8bc9\u6211\u4eec\uff0c\u6ee4\u7f51\u4e09\u7684\u6ee4\u901a\u6bd4\u662f\u7531\u591a\u4e2a\u56e0\u7d20\u51b3\u5b9a\u7684\uff0c\u5305\u62ec\u6bcf\u4e2a\u5c42\u6b21\u7684\u5fae\u5b54\u6570\u91cf\u3001\u5fae\u5b54\u76f4\u5f84\u3001\u5c42\u6570\u539a\u5ea6\u3001\u957f\u5ea6\u548c\u5bbd\u5ea6\u7b49\u3002\u8fd9\u4e9b\u56e0\u7d20\u90fd\u4f1a\u5f71\u54cd\u6ee4\u901a\u6bd4\u7684\u5927\u5c0f\u3002<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6ee4\u7f51\u4e09\u7684\u8fc7\u6ee4\u6548\u679c\u901a\u5e38\u4f18\u4e8e\u5355\u5c42\u6216\u53cc\u5c42\u6ee4\u7f51\u3002\u8fd9\u662f\u56e0\u4e3a\u591a\u5c42\u6b21\u7684\u8fc7\u6ee4\u7ed3\u6784\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u6355\u6349\u5fae\u5c0f\u7684\u9897\u7c92\u7269\uff0c\u4ece\u800c\u63d0\u9ad8\u7a7a\u6c14\u51c0\u5316\u6548\u679c\u3002\u540c\u65f6\uff0c\u6ee4\u7f51\u4e09\u7684\u8bbe\u8ba1\u8fd8\u53ef\u4ee5\u5ef6\u957f\u6ee4\u7f51\u7684\u66f4\u6362\u5468\u671f\uff0c\u964d\u4f4e\u7ef4\u62a4\u6210\u672c\u3002<\/p>\n
\u603b\u7ed3\u8d77\u6765\uff0c\u6ee4\u7f51\u4e09\u901a\u8fc7\u5176\u591a\u5c42\u6b21\u7684\u8fc7\u6ee4\u7ed3\u6784\uff0c\u5177\u6709\u66f4\u9ad8\u7684\u6ee4\u901a\u6bd4\u548c\u66f4\u597d\u7684\u8fc7\u6ee4\u6548\u679c\u3002\u8fd9\u4f7f\u5f97\u6ee4\u7f51\u4e09\u6210\u4e3a\u8bb8\u591a\u7a7a\u6c14\u51c0\u5316\u5668\u548c\u8fc7\u6ee4\u7cfb\u7edf\u7684\u7406\u60f3\u9009\u62e9\u3002\u5bf9\u4e8e\u90a3\u4e9b\u5173\u6ce8\u7a7a\u6c14\u8d28\u91cf\u3001\u5065\u5eb7\u548c\u73af\u4fdd\u7684\u4eba\u6765\u8bf4\uff0c\u9009\u62e9\u6ee4\u7f51\u4e09\u7684\u8bbe\u5907\u662f\u4e00\u4e2a\u660e\u667a\u7684\u9009\u62e9\u3002<\/p>\n
\u6700\u540e\uff0c\u6211\u60f3\u5f3a\u8c03\u7684\u662f\uff0c\u6ee4\u7f51\u7684\u9009\u62e9\u548c\u66f4\u6362\u5bf9\u4e8e\u4fdd\u6301\u7a7a\u6c14\u8d28\u91cf\u81f3\u5173\u91cd\u8981\u3002\u5b9a\u671f\u66f4\u6362\u6ee4\u7f51\u53ef\u4ee5\u786e\u4fdd\u8bbe\u5907\u6301\u7eed\u53d1\u6325\u6700\u4f73\u6027\u80fd\uff0c\u4fdd\u62a4\u6211\u4eec\u7684\u5065\u5eb7\u548c\u73af\u5883\u3002<\/p>\n
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