{"id":234,"date":"2025-10-18T11:32:36","date_gmt":"2025-10-18T03:32:36","guid":{"rendered":"https:\/\/wp.ytdx.cc\/?p=234"},"modified":"2025-10-18T11:32:36","modified_gmt":"2025-10-18T03:32:36","slug":"%e5%85%b3%e4%ba%8e%e5%8d%95%e7%89%87%e6%9c%ba%e5%a6%82%e4%bd%95%e4%ba%a7%e7%94%9f%e9%9a%8f%e6%9c%ba%e6%95%b0","status":"publish","type":"post","link":"https:\/\/wp.ytdx.cc\/index.php\/2025\/10\/18\/%e5%85%b3%e4%ba%8e%e5%8d%95%e7%89%87%e6%9c%ba%e5%a6%82%e4%bd%95%e4%ba%a7%e7%94%9f%e9%9a%8f%e6%9c%ba%e6%95%b0\/","title":{"rendered":"\u5173\u4e8e\u5355\u7247\u673a\u5982\u4f55\u4ea7\u751f\u968f\u673a\u6570"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5355\u7247\u673a\u4ea7\u751f\u968f\u673a\u6570\u901a\u5e38\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff0c\u6bcf\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f\u548c\u8d44\u6e90\u9650\u5236\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\u4f2a\u968f\u673a\u6570\u751f\u6210\u5668\uff08PRNG\uff09<br>\u5355\u7247\u673a\u901a\u5e38\u4f7f\u7528\u4f2a\u968f\u673a\u6570\u751f\u6210\u7b97\u6cd5\uff08\u5982\u7ebf\u6027\u540c\u4f59\u6cd5\u3001\u7ebf\u6027\u53cd\u9988\u79fb\u4f4d\u5bc4\u5b58\u5668\u7b49\uff09\u751f\u6210\u968f\u673a\u6570\u3002\n<ul class=\"wp-block-list\">\n<li>\u7ebf\u6027\u540c\u4f59\u6cd5\uff08LCG\uff09\uff1a<br>\u516c\u5f0f\uff1aX(n+1) = (a * X(n) + c) mod m<br>\u5176\u4e2d\uff0cX(n) \u662f\u5f53\u524d\u968f\u673a\u6570\uff0ca\u3001c\u3001m \u662f\u7cbe\u5fc3\u9009\u62e9\u7684\u5e38\u6570\u3002<br>\u5b9e\u73b0\u7b80\u5355\uff0c\u9002\u5408\u8d44\u6e90\u53d7\u9650\u7684\u5355\u7247\u673a\uff0c\u4f46\u968f\u673a\u6027\u8f83\u5f31\uff0c\u5468\u671f\u8f83\u77ed\u3002<br>\u793a\u4f8b\u4ee3\u7801\uff08C\u8bed\u8a00\uff09\uff1ac<code>unsigned int seed = 12345; <em>\/\/ \u521d\u59cb\u79cd\u5b50<\/em> unsigned int rand() { seed = (1103515245 * seed + 12345) &amp; 0x7fffffff; <em>\/\/ \u7ebf\u6027\u540c\u4f59\u6cd5<\/em> return seed; }<\/code><\/li>\n\n\n\n<li>\u7ebf\u6027\u53cd\u9988\u79fb\u4f4d\u5bc4\u5b58\u5668\uff08LFSR\uff09\uff1a<br>\u4f7f\u7528\u79fb\u4f4d\u5bc4\u5b58\u5668\u548c\u5f02\u6216\u8fd0\u7b97\u751f\u6210\u4f2a\u968f\u673a\u5e8f\u5217\uff0c\u5360\u7528\u8d44\u6e90\u5c11\uff0c\u9002\u5408\u786c\u4ef6\u5b9e\u73b0\u3002<br>\u793a\u4f8b\uff1a16\u4f4dLFSR\uff0c\u53cd\u9988\u591a\u9879\u5f0f\u4e3a x^16 + x^14 + x^13 + x^11 + 1\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5229\u7528\u786c\u4ef6\u566a\u58f0\u6216\u5916\u90e8\u4fe1\u53f7<br>\u5355\u7247\u673a\u53ef\u4ee5\u901a\u8fc7\u8bfb\u53d6\u4e0d\u786e\u5b9a\u7684\u786c\u4ef6\u4fe1\u53f7\u751f\u6210\u771f\u968f\u673a\u6570\uff08TRNG\uff09\uff1a\n<ul class=\"wp-block-list\">\n<li>ADC\u566a\u58f0\uff1a\u8bfb\u53d6ADC\uff08\u6a21\u6570\u8f6c\u6362\u5668\uff09\u8f93\u5165\u7aef\u7684\u566a\u58f0\uff08\u5982\u6d6e\u7a7a\u5f15\u811a\u6216\u6a21\u62df\u4f20\u611f\u5668\u4fe1\u53f7\uff09\u3002<br>\u793a\u4f8b\uff1a\u8bfb\u53d6ADC\u503c\u7684\u6700\u4f4e\u51e0\u4f4d\u4f5c\u4e3a\u968f\u673a\u6570\u79cd\u5b50\u3002<\/li>\n\n\n\n<li>\u5b9a\u65f6\u5668\u6296\u52a8\uff1a\u5229\u7528\u5b9a\u65f6\u5668\u6355\u83b7\u5916\u90e8\u4fe1\u53f7\u7684\u65f6\u5e8f\u6296\u52a8\uff08\u5982\u6309\u952e\u6296\u52a8\u6216\u6676\u632f\u6f02\u79fb\uff09\u3002<\/li>\n\n\n\n<li>\u786c\u4ef6\u968f\u673a\u6570\u751f\u6210\u5668\uff1a\u4e00\u4e9b\u9ad8\u7ea7\u5355\u7247\u673a\uff08\u5982STM32\u3001ESP32\uff09\u5185\u7f6e\u786c\u4ef6\u968f\u673a\u6570\u751f\u6210\u5668\uff08RNG\u6a21\u5757\uff09\uff0c\u53ef\u76f4\u63a5\u8c03\u7528\u3002<br>\u793a\u4f8b\uff08STM32\uff09\uff1ac<code>#include \"stm32f4xx_rng.h\" uint32_t get_random() { while (RNG_GetFlagStatus(RNG_FLAG_DRDY) == RESET); <em>\/\/ \u7b49\u5f85\u968f\u673a\u6570\u51c6\u5907\u597d<\/em> return RNG_GetRandomNumber(); }<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u7ed3\u5408\u79cd\u5b50\u521d\u59cb\u5316<br>\u4f2a\u968f\u673a\u6570\u9700\u8981\u4e00\u4e2a\u521d\u59cb\u79cd\u5b50\uff0c\u79cd\u5b50\u51b3\u5b9a\u4e86\u5e8f\u5217\u7684\u8d77\u70b9\u3002\u5e38\u89c1\u79cd\u5b50\u6765\u6e90\uff1a<ul><li>\u7cfb\u7edf\u4e0a\u7535\u65f6\u95f4\u6216\u8ba1\u6570\u5668\u503c\u3002<\/li><li>\u7528\u6237\u8f93\u5165\uff08\u5982\u6309\u952e\u6309\u4e0b\u7684\u65f6\u95f4\uff09\u3002<\/li><li>\u5916\u90e8\u4f20\u611f\u5668\u6570\u636e\uff08\u5982\u6e29\u5ea6\u3001\u7535\u538b\uff09\u3002<\/li><li>\u5b9e\u65f6\u65f6\u949f\uff08RTC\uff09\u503c\u3002<br>\u793a\u4f8b\uff1a\u7528\u6beb\u79d2\u8ba1\u6570\u4f5c\u4e3a\u79cd\u5b50\uff1a<\/li><\/ul>c<code>seed = SysTick->VAL; <em>\/\/ \u4f7f\u7528\u7cfb\u7edf\u6ef4\u7b54\u8ba1\u6570\u5668<\/em><\/code><\/li>\n\n\n\n<li>\u6ce8\u610f\u4e8b\u9879\n<ul class=\"wp-block-list\">\n<li>\u968f\u673a\u6027\u8d28\u91cf\uff1a\u4f2a\u968f\u673a\u6570\u5468\u671f\u6709\u9650\uff0c\u9700\u6839\u636e\u5e94\u7528\u9009\u62e9\u5408\u9002\u7684\u7b97\u6cd5\u3002\u771f\u968f\u673a\u6570\u66f4\u9002\u5408\u5bc6\u7801\u5b66\u7b49\u9ad8\u5b89\u5168\u6027\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u8d44\u6e90\u9650\u5236\uff1a\u5355\u7247\u673a\u7684\u5b58\u50a8\u548c\u8ba1\u7b97\u80fd\u529b\u6709\u9650\uff0c\u4f18\u5148\u9009\u62e9\u7b80\u5355\u7b97\u6cd5\uff08\u5982LFSR\uff09\u3002<\/li>\n\n\n\n<li>\u521d\u59cb\u5316\u79cd\u5b50\uff1a\u907f\u514d\u6bcf\u6b21\u4e0a\u7535\u4f7f\u7528\u56fa\u5b9a\u79cd\u5b50\uff0c\u5426\u5219\u968f\u673a\u6570\u5e8f\u5217\u4f1a\u91cd\u590d\u3002<\/li>\n\n\n\n<li>\u6d4b\u8bd5\u4e0e\u9a8c\u8bc1\uff1a\u53ef\u7528\u7edf\u8ba1\u5de5\u5177\uff08\u5982Diehard\u6d4b\u8bd5\uff09\u9a8c\u8bc1\u968f\u673a\u6570\u8d28\u91cf\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u603b\u7ed3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u8d44\u6e90\u6709\u9650\u4e14\u8981\u6c42\u4e0d\u9ad8\uff0c\u4f7f\u7528\u7ebf\u6027\u540c\u4f59\u6cd5\u6216LFSR\u751f\u6210\u4f2a\u968f\u673a\u6570\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u9700\u8981\u9ad8\u968f\u673a\u6027\uff0c\u4f18\u5148\u5229\u7528\u786c\u4ef6RNG\u6216ADC\u566a\u58f0\u751f\u6210\u771f\u968f\u673a\u6570\u3002<\/li>\n\n\n\n<li>\u786e\u4fdd\u79cd\u5b50\u6765\u6e90\u591a\u6837\u5316\uff0c\u907f\u514d\u5e8f\u5217\u91cd\u590d\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u9700\u5177\u4f53\u5355\u7247\u673a\u578b\u53f7\u7684\u5b9e\u73b0\u65b9\u6848\u6216\u4ee3\u7801\u793a\u4f8b\uff0c\u8bf7\u63d0\u4f9b\u66f4\u591a\u7ec6\u8282\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5355\u7247\u673a\u4ea7\u751f\u968f\u673a\u6570\u901a\u5e38\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff0c\u6bcf\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f\u548c\u8d44\u6e90\u9650\u5236\uff1a \u603b\u7ed3\uff1a \u5982\u9700\u5177\u4f53\u5355\u7247\u673a\u578b\u53f7\u7684\u5b9e\u73b0\u65b9\u6848 &hellip; 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