{"id":71,"date":"2017-04-17T00:04:23","date_gmt":"2017-04-16T16:04:23","guid":{"rendered":"http:\/\/cheeman.net\/?p=71"},"modified":"2017-04-17T12:58:17","modified_gmt":"2017-04-17T04:58:17","slug":"%e7%ba%af%e6%89%8b%e5%b7%a5%e5%81%9a%e4%b8%80%e4%b8%aa%e9%a2%91%e7%8e%87%e8%ae%a1%e6%95%b0%e5%99%a8","status":"publish","type":"post","link":"https:\/\/cheeman.net\/?p=71","title":{"rendered":"\u624b\u5de5\u505a\u4e00\u4e2a\u9891\u7387\u8ba1"},"content":{"rendered":"<ul>\n<li>\n<h2>\u524d\u8a00<\/h2>\n<\/li>\n<\/ul>\n<p>\u5927\u4e09\u65f6\uff0c\u6709\u4e00\u4e2a\u8bfe\u9898\uff1a\u505a\u4e00\u4e2a\u9891\u7387\u8ba1\uff0c\u91cf\u7a0b\u4e3a100Hz\u81f3100kHz\u3002\u79d1\u666e\u4e00\u4e0b\uff1a\u6570\u5b57\u9891\u7387\u8ba1\u662f\u53ef\u4ee5\u76f4\u63a5\u663e\u793a\u88ab\u6d4b\u4fe1\u53f7\uff08\u65b9\u6ce2\uff0c\u6b63\u5f26\u6ce2\u6216\u5176\u4ed6\u8109\u51b2\u4fe1\u53f7\uff09\u7684\u9891\u7387\uff0c\u5e76\u7528\u4eba\u4eec\u719f\u6089\u7684\u5341\u8fdb\u5236\u6570\u5b57\u663e\u793a\u7684\u4eea\u5668\u3002\u5176\u5b9e\u8fd9\u4e2a\u9898\u76ee\u8fd8\u6709\u4e00\u4e2a\u9ad8\u5927\u4e0a\u7684\u540d\u5b57\uff1a\u6570\u663e\u5f0f\u8ba1\u6570\/\u8ba1\u65f6\u6cd5\u9891\u7387\u6d4b\u91cf\u7535\u8def\uff01<\/p>\n<p>\u63a5\u5230\u8fd9\u4e2a\u9898\u76ee\u65f6\uff0c\u6211\u627e\u4e86\u5ba4\u53cb\u505a\u62cd\u6863\u3002\u5f53\u65f6\u662f\u4e00\u8138\u61f5\u903c\u7684\uff0c\u56e0\u4e3a\u9891\u7387\u8ba1\u5c31\u7528\u5f97\u591a\u4e86\uff0c\u4f46\u662f\u600e\u4e48\u505a\u51fa\u6765\uff0c\u8fd8\u771f\u7684\u4e0d\u77e5\u9053\u3002\u540e\u6765\u53bb\u627e\u8001\u5e08\u6307\u70b9\u4e86\u4e00\u4e0b\uff0c\u539f\u6765\u53ef\u4ee5\u7528\u57fa\u51c6\u9891\u7387\u4e58\u4ee5\u4e00\u4e2a\u7cfb\u6570\u7684\u539f\u7406\u53bb\u5b9e\u73b0\u3002\u57fa\u4e8e\u8fd9\u4e2a\u65b9\u5411\uff0c\u6211\u4eec\u5728\u56fe\u4e66\u9986\u627e\u5230\u4e86\u76f8\u5173\u7684\u8d44\u6599\uff0c\u4e00\u6b65\u4e00\u6b65\u5730\u628a\u8fd9\u4e2a\u4f5c\u54c1\u5b8c\u6210\u4e86\u3002<\/p>\n<p>\u9644\u4e0a\u4e00\u5f20\u6d4b\u8bd5\u8fc7\u7a0b\u7684\u7167\u7247\uff1a<\/p>\n<p><a href=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/DSC_0108.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-102\" src=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/DSC_0108.jpg\" alt=\"DSC_0108\" width=\"3264\" height=\"1836\" srcset=\"https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/DSC_0108.jpg 3264w, https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/DSC_0108-300x169.jpg 300w, https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/DSC_0108-1024x576.jpg 1024w\" sizes=\"auto, (max-width: 3264px) 100vw, 3264px\" \/><\/a><\/p>\n<ul>\n<li>\n<h2>\u65b9\u6848\u548c\u539f\u7406<\/h2>\n<\/li>\n<\/ul>\n<p>\u6309\u7167\u521a\u521a\u7684\u601d\u8def\uff0c\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u57fa\u51c6\u9891\u7387\\(\u00a0f_{h}\u00a0\\)\u3001\u4e00\u4e2a\u7cfb\u6570x\uff0c\u90a3\u4e48\\(\u00a0f_{x}\u00a0 = \u00a0\u00a0x\\bullet\u00a0f_{h} \\)\u3002\u4f8b\u5982\u6211\u4eec\u6709\u4e2a1kHz\u7684\u57fa\u51c6\u9891\u7387\uff0c\u7136\u540e\u6d4b\u91cf\u5f97\u5230\u7684\u7cfb\u6570\u4e3a0.5\uff0c\u90a3\u4e48\u5f97\u5230\u7684\\(f_{x}\\)\u4e3a500Hz\u3002\u57fa\u51c6\u9891\u7387\u7684\u4ea7\u751f\u6bd4\u8f83\u7b80\u5355\uff0c\u5c31\u7528\u6ce2\u5f62\u53d1\u751f\u7535\u8def\u5c31\u53ef\u4ee5\u4e86\u3002\u90a3\u4e48\u600e\u4e48\u5f97\u5230\u7cfb\u6570\u5462\uff1f\u601d\u8def\u4e5f\u4e0d\u590d\u6742\uff0c\u5c31\u662f\u7528\u8ba1\u6570\u5668\u8ba1\u7b97\u4e00\u5b9a\u7684\u65f6\u95f4\u5185\uff0c\u88ab\u6d4b\u4fe1\u53f7\u7684\u5468\u671f\u6570\u548c\u57fa\u51c6\u4fe1\u53f7\u5468\u671f\u6570\u7684\u5546\u3002\u90a3\u4e48\u95ee\u9898\u53c8\u6765\u4e86\uff0c\u600e\u4e48\u5f97\u5230\u8fd9\u4e2a\u5546\u5462\uff1f\u8fd9\u4e2a\u5012\u662f\u6709\u70b9\u590d\u6742\uff1a\u9996\u5148\u628a\u4e24\u4e2a\u5468\u671f\u6570\u90fd\u8f6c\u6362\u4e3a\u6a21\u62df\u4fe1\u53f7\uff0c\u7528\u9664\u6cd5\u7535\u8def\u76f8\u9664\u4e4b\u540e\u518d\u628a\u7ed3\u679c\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7\uff0c\u518d\u663e\u793a\u51fa\u6765\u3002<\/p>\n<ol>\n<li><strong>\u6574\u4f53\u65b9\u6848<\/strong><\/li>\n<\/ol>\n<p>\u7cfb\u7edf\u7531\u6ce2\u5f62\u8f6c\u6362\u7535\u8def\u3001\u6ce2\u5f62\u53d1\u751f\u7535\u8def\u3001\u8ba1\u6570\u5668\u3001\u6570\u6a21\u8f6c\u6362\u3001\u8fd0\u7b97\u7535\u8def\u3001\u6a21\u6570\u8f6c\u6362\u3001\u6570\u663e\u6a21\u5757\u7ec4\u6210\u3002\u5176\u4e2d\u8ba1\u6570\u5668\u5206\u4e3a\u6d4b\u91cf\u8ba1\u6570\u5668\u548c\u6807\u51c6\u8ba1\u6570\u5668\uff0c\u6570\u6a21\u8f6c\u6362\u5b8c\u6210\u628a\u539f\u59cb\u6570\u5b57\u91cf\u8f6c\u5316\u4e3a\u53cd\u6620\u9891\u7387\u7684\u7535\u538b\u4fe1\u53f7\uff0c\u6a21\u6570\u8f6c\u6362\u628a\u7535\u538b\u4fe1\u53f7\u8f6c\u6362\u4e3a\u53ef\u4f9b\u5171\u9634\u6570\u7801\u7ba1\u663e\u793a\u7684\u6570\u5b57\u7f16\u7801\u3002<\/p>\n<ol>\n<li><strong>\u7ec4\u6210\u6846\u56fe\u00a0<a href=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/\u6846\u56fe1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-81\" src=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/\u6846\u56fe1.jpg\" alt=\"\u6846\u56fe\" width=\"597\" height=\"348\" srcset=\"https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/\u6846\u56fe1.jpg 597w, https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/\u6846\u56fe1-300x175.jpg 300w\" sizes=\"auto, (max-width: 597px) 100vw, 597px\" \/><\/a><a href=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/\u6846\u56fe.jpg\"><br \/>\n<\/a><\/strong><\/li>\n<\/ol>\n<p style=\"text-align: center;\">\u00a0\u56fe1 \u7ec4\u6210\u6846\u56fe<\/p>\n<ol start=\"2\">\n<li><strong>\u6574\u4f53\u5de5\u4f5c\u539f\u7406<\/strong><\/li>\n<\/ol>\n<p>\u88ab\u6d4b\u4fe1\u53f7\u901a\u8fc7\u6574\u5f62\u7535\u8def\uff0c\u53d8\u6210\u4e0a\u5347\u6cbf\u548c\u4e0b\u964d\u6cbf\u90fd\u5f88\u9661\u7684\u77e9\u5f62\u6ce2\uff0c\u8bb0\u9891\u7387\u4e3a\\(f_{x}\\)\uff0c\u7136\u540e\u4f7f\u7528\u8ba1\u6570\u5668\u8ba1\u7b97\u4e00\u5b9a\u65f6\u95f4\u5185\uff08\u8bb0\u4e3a\\(\\Delta t\\)\uff09\u7684\u4e0a\u5347\u6cbf\u4e2a\u6570\uff0c\u7ed3\u679c\u8bb0\u4e3a\\(C_{x}\\)\uff0c\u53cd\u6620\u88ab\u6d4b\u4fe1\u53f7\u5728\u8fd9\u6bb5\u65f6\u95f4\u5185\u7684\u5468\u671f\u6570\uff1b\u53e6\u5916\uff0c\u8bbe\u8ba1\u6ce2\u5f62\u53d1\u751f\u7535\u8def\u4ea7\u751f\u6807\u51c61kHz\u300110kHz\u3001100kHz\u65b9\u6ce2\uff0c\u9891\u7387\u8bb0\u4e3a\uff0c\u5e76\u4f7f\u7528\u53e6\u4e00\u4e2a\u8ba1\u6570\u5668\u8ba1\u7b97\u540c\u4e00\u5927\u5c0f\u7684\u65f6\u95f4\u5185\uff08\u8bb0\u4e3aT\uff09\u7684\u4e0a\u5347\u6cbf\u6570\uff0c\u7ed3\u679c\u8bb0\u4e3a\\(C_{h}\\)\uff0c\u53cd\u6620\u6807\u51c6\u4fe1\u53f7\u5728\u8fd9\u6bb5\u65f6\u95f4\u5185\u7684\u5468\u671f\u6570\u3002<\/p>\n<p>\u6839\u636e\u9891\u7387\u4e0e\u5468\u671f\u7684\u5173\u7cfb\uff0c\u53ef\u5f97\uff1a<\/p>\n<p style=\"text-align: center;\">\\( \\frac{ C_{x} }{ C_{h} } = \u00a0\\frac{ T_{x} }{ T_{h} } = \u00a0\\frac{ f_{h} }{ f_{x} } \\) \uff081\uff09<\/p>\n<p>\u5176\u4e2d\\(T_{x}\\)\u548c\\(T_{h}\\)\u5206\u522b\u4e3a\u88ab\u6d4b\u4fe1\u53f7\u548c\u6807\u51c6\u4fe1\u53f7\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\u7684\u5468\u671f\u6570\u3002<\/p>\n<p>\u5219\u8868\u5f81\u88ab\u6d4b\u4fe1\u53f7\u9891\u7387\u7684\u6570\u5b66\u8868\u8fbe\u5f0f\u4e3a\uff1a<\/p>\n<p style=\"text-align: center;\">\\(f_{x} = \\frac{ C_{x} }{ C_{h} } \u00a0\\bullet \u00a0f_{h} \\) \u00a0 \u00a0 \u00a0 \u00a0\uff082\uff09<\/p>\n<p>\u4e3a\u4e86\u6d4b\u91cf\u7684\u7a33\u5b9a\u6027\uff0c\u6d4b\u91cf\u65f6\u95f4\u5e94\u8be5\u662f\u4e0d\u53d7\u8f93\u5165\u4fe1\u53f7\u5f71\u54cd\uff0c\u6240\u4ee5\u4f7f\u7528\u5355\u7a33\u6001\u89e6\u53d1\u5668\u6765\u4ea7\u751f\\(\\Delta t\\)\uff0c\u7136\u540e\u8ba9T\u8ddf\u968f\\(\\Delta t\\)\uff0c\u8fd9\u6837T\u548c\\(\\Delta t\\)\u65f6\u95f4\u5185\u7684\u88ab\u6d4b\u4fe1\u53f7\u5468\u671f\u6570\u5bf9\u5e94\u7684\u65f6\u95f4\u63a5\u8fd1\u3002\u4f46\u4e3a\u4e86\u7cbe\u786e\u8ba1\u6570\uff0c\\(\\Delta t\\)\u65f6\u95f4\u5185\u6240\u6d4b\u4fe1\u53f7\u7684\u5468\u671f\u6570\u5bf9\u5e94\u7684\u65f6\u95f4\u548cT\u5e94\u8be5\u5927\u5c0f\u76f8\u7b49\uff0c\u6240\u4ee5\u6709\u5fc5\u8981\u505a\u76f8\u5173\u5bf9\u9f50\u7535\u8def\uff0c\u8fd9\u91cc\u4f7f\u7528D\u89e6\u53d1\u5668\u6765\u4f5c\u4e3a\u65f6\u95f4\u8ddf\u968f\u5668\uff0c\u8ba9T\u4ece\\(\\ f_{x}\\)\u5728\\(\\Delta t\\)\u5185\u7684\u7b2c\u4e00\u4e2a\u4e0a\u5347\u6cbf\u8ddf\u8e2a\u5230\\(\\Delta t\\)\u7ed3\u675f\u540e\u7684\u7b2c\u4e00\u4e2a\u4e0a\u5347\u6cbf\uff0c\u8fd9\u6837\u6240\u5bf9\u5e94\u7684\u5468\u671f\u603b\u548c\u548cT\u5c31\u4e25\u683c\u76f8\u7b49\u4e86\uff0c\u5219\u8ba1\u6570\u5668\u6240\u5e26\u6765\u7684\u7684\u7cfb\u7edf\u8bef\u5dee\u6d88\u9664\u4e86\u3002<\/p>\n<p>\u4e3a\u4e86\u6301\u7eed\u6d4b\u91cf\u9891\u7387\uff0c\u53e6\u5916\u9700\u52a0\u4e00\u4e2a\u6d4b\u91cf\u89e6\u53d1\u8109\u51b2\uff0c\u8fd9\u91cc\u4f7f\u7528\u4e00\u4e2a\u9891\u7387\u7ea6\u4e3a2Hz\u7684\u65b9\u6ce2\uff0c\u8bb0\u4e3a\\(f_{m}\\)\u3002\u5728\\(f_{m}\\)\u7684\u6bcf\u4e00\u6b21\u4e0a\u5347\u6cbf\u89e6\u53d1\u4e00\u6b21\u6d4b\u91cf\u3002\u53e6\u5916\uff0c\u5728\u6bcf\u6b21\u6d4b\u91cf\u524d\u5e94\u8be5\u6e05\u9664\u4e0a\u4e00\u6b21\u7684\u6570\u636e\uff0c\u6240\u4ee5\u5728\u524d\u52a0\u4e0a\u4e00\u4e2aCLR\u6e05\u96f6\u4fe1\u53f7\u3002<\/p>\n<p>\u4e0a\u8ff0\u6d4b\u91cf\u8fc7\u7a0b\u53ef\u4f7f\u7528\u5982\u56fe2\u6240\u793a\u6ce2\u5f62\u56fe\u8868\u793a\uff1a<\/p>\n<p><a href=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/\u65f6\u5e8f\u56fe.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-82\" src=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/\u65f6\u5e8f\u56fe.jpg\" alt=\"\u65f6\u5e8f\u56fe\" width=\"535\" height=\"173\" srcset=\"https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/\u65f6\u5e8f\u56fe.jpg 535w, https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/\u65f6\u5e8f\u56fe-300x97.jpg 300w\" sizes=\"auto, (max-width: 535px) 100vw, 535px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe2 \u65f6\u5e8f\u56fe<\/p>\n<p>\u4e0a\u8ff0\u6d4b\u91cf\u5f97\u5230\u7684\u662f\u4e00\u7cfb\u5217\u539f\u59cb\u6570\u5b57\u6570\u636e\uff0c\u63a5\u4e0b\u6765\u662f\u5904\u7406\u5e76\u663e\u793a\u6570\u636e\u3002\u7531\uff082\uff09\u5f0f\u53ef\u77e5\uff0c\u5f53\\(f_{h}\\)\u7684\u53d6\u503c\u4e3a1kHz\u300110kHz\u7b4910\u7684\u6574\u6570\u500d\u65f6\uff0c\u53ef\u901a\u8fc7\u5c0f\u6570\u70b9\u4f4d\u7f6e\u6765\u8868\u793a\\(f_{n}\\)\uff0c\u800c\u65e0\u9700\u518d\u505a\u4e00\u6b21\u4e58\u6cd5\u8fd0\u7b97\u3002\u4f46\\(C_{x}\\)\u548c\\(C_{h}\\)\u7684\u9664\u6cd5\u662f\u5fc5\u8981\u7684\uff0c\u4e3a\u4e86\u5c06\\(C_{x}\\)\u548c\\(C_{h}\\)\u76f8\u9664\uff0c\u9700\u8981\u628a\u5b83\u4eec\u8f6c\u6362\u4e3a\u6a21\u62df\u4fe1\u53f7\u518d\u76f8\u9664\u3002\u76f8\u9664\u540e\u6240\u5f97\u7684\u7ed3\u679c\u662f\u4e00\u4e2a\u6a21\u62df\u4fe1\u53f7\uff0c\u6240\u4ee5\u8fd8\u9700\u8981\u91cd\u65b0\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7\u624d\u80fd\u663e\u793a\u3002<\/p>\n<p>\u4e3a\u4e86\u65b9\u4fbf\u663e\u793a\u6a21\u5757\u8fdb\u884c\u663e\u793a\uff0c\u8fd0\u7b97\u6a21\u5757\u628a\u8fd0\u7b97\u540e\u7684\u7ed3\u679c\u4f5c\u4e00\u4e2a\u7ebf\u6027\u53d8\u6362\uff0c\u5f97\u5230\u4e00\u4e2a0~2V\u7684\u7535\u538b\u91cf\uff0c\u5176\u7535\u538b\u6570\u503c\u76f4\u63a5\u5bf9\u5e94\u76f8\u5e94\u7684\u9891\u7387\u5927\u5c0f\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u6d4b\u91cf\u7535\u538b\u7684\u539f\u7406\u6765\u6d4b\u91cf\u5e76\u663e\u793a\u9891\u7387\u5927\u5c0f\uff0c\u5927\u5927\u7b80\u5316\u4e86\u663e\u793a\u6a21\u5757\u3002<\/p>\n<ul>\n<li>\n<h2><strong>\u5404\u90e8\u5206\u529f\u80fd\u3001\u5b9e\u73b0\u7535\u8def\u4e0e\u5de5\u4f5c\u539f\u7406<\/strong><\/h2>\n<\/li>\n<\/ul>\n<ol>\n<li><strong>\u6ce2\u5f62\u8f6c\u6362\u7535\u8def<\/strong><\/li>\n<\/ol>\n<p>\u6ce2\u5f62\u8f6c\u6362\u7535\u8def\u5b9e\u73b0\u628a\u8f93\u5165\u7684\u6ce2\u5f62\u8f6c\u6362\u4e3a\u4e0a\u5347\u6cbf\u548c\u4e0b\u964d\u6cbf\u90fd\u5f88\u9661\u7684\u77e9\u5f62\u6ce2\uff0c\u4ee5\u4f9b\u540e\u7eed\u7684\u6570\u5b57\u7535\u8def\u5904\u7406\u3002<\/p>\n<p>\u53e6\u5916\u4e3a\u4e86\u51cf\u5c11\u5bf9\u6e90\u4fe1\u53f7\u7684\u5f71\u54cd\uff0c\u4f7f\u7528\u4e00\u4e2a\u7535\u538b\u8ddf\u968f\u5668\u4f5c\u4e3a\u9996\u7ea7\u8f93\u5165\uff0c\u51cf\u5c11\u5438\u53d6\u7684\u7535\u6d41\u3002<\/p>\n<p>\u4e3a\u4e86\u51cf\u5c11\u6296\u52a8\uff0c\u9009\u62e9\u5e38\u7528\u7684\u65bd\u5bc6\u7279\u89e6\u53d1\u5668\u4f5c\u4e3a\u4e3b\u8981\u5904\u7406\u5143\u4ef6\u3002<\/p>\n<p>\u539f\u7406\u56fe\u5982\u56fe3\uff1a<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/\u6ce2\u5f62\u8f6c\u6362.png\"><img loading=\"lazy\" decoding=\"async\" class=\" size-medium wp-image-73 aligncenter\" src=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/\u6ce2\u5f62\u8f6c\u6362-300x180.png\" alt=\"\u6ce2\u5f62\u8f6c\u6362\" width=\"300\" height=\"180\" srcset=\"https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/\u6ce2\u5f62\u8f6c\u6362-300x180.png 300w, https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/\u6ce2\u5f62\u8f6c\u6362.png 358w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe3 \u6ce2\u5f62\u8f6c\u6362\u539f\u7406\u56fe<\/p>\n<ol start=\"2\">\n<li><strong>\u6ce2\u5f62\u53d1\u751f\u7535\u8def<\/strong><\/li>\n<\/ol>\n<ul>\n<li><strong>\u6d4b\u91cf\u89e6\u53d1\u8109\u51b2\uff08\\(f_{m}\\)<\/strong><strong>\uff09<\/strong><\/li>\n<\/ul>\n<p><strong>\u00a0\u00a0<\/strong>\u6d4b\u91cf\u89e6\u53d1\u8109\u51b2\u662f\u7528\u6765\u6bcf\u9694\u4e00\u5b9a\u65f6\u95f4\uff0c\u89e6\u53d1\u6d4b\u91cf\u7535\u8def\u5bf9\u88ab\u6d4b\u4fe1\u53f7\u8fdb\u884c\u4e00\u6b21\u9891\u7387\u6d4b\u91cf\uff0c\u4e0e\u88ab\u6d4b\u4fe1\u53f7\u65e0\u5173\u3002\u8003\u8651\u5230\u4eba\u773c\u80fd\u8bc6\u522b\u7684\u6700\u5c0f\u65f6\u95f4\u548cD\/A\u8f6c\u6362\u6a21\u5757\u7684\u8f6c\u6362\u901f\u7387\uff0c\u89e6\u53d1\u8109\u51b2\u7684\u9891\u7387\u4e0d\u80fd\u592a\u9ad8\uff0c\u4f46\u4e5f\u4e0d\u5b9c\u592a\u4f4e\uff0c\u5426\u5219\u4e0d\u80fd\u4f53\u73b0\u5b9e\u65f6\u6027\uff0c\u6240\u4ee5\u6211\u4eec\u9009\u62e9\u4e86\u7ea62Hz\u7684\u65b9\u6ce2\u4fe1\u53f7\u3002\u7535\u8def\u539f\u7406\u56fe\u5982\u56fe4\uff1a<\/p>\n<p><a href=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/fm.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-74\" src=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/fm.png\" alt=\"fm\" width=\"266\" height=\"151\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe4 \u591a\u8c10\u632f\u8361\u5668<\/p>\n<p>\u4f7f\u7528\u65bd\u5bc6\u7279\u53cd\u76f8\u5668\u6784\u6210\u591a\u8c22\u81ea\u6fc0\u632f\u8361\u5668\uff0c\u5f53\u63a5\u901a\u7535\u6e90\u540e\uff0c\u56e0\u4e3a\u7535\u5bb9C\u4e0a\u7684\u521d\u59cb\u7535\u538b\u4e3a0\uff0c\u6240\u4ee5\u8f93\u51fa\u4e3a\u9ad8\u7535\u5e73\uff0c\u5e76\u5f00\u59cb\u7ecf\u7535\u963bR\u5411\u7535\u5bb9C\u5145\u7535\u3002\u5f53\u5145\u5230\u8f93\u5165\u7535\u538b\u4e3a\u65f6\uff0c\u8f93\u51fa\u7535\u538b\u53d8\u4e3a\u4f4e\u7535\u5e73\uff0c\u7535\u5bb9C\u53c8\u7ecf\u8fc7\u7535\u963bR\u5f00\u59cb\u653e\u7535\u3002\u5f53\u653e\u7535\u77e5\u65f6\uff0c\u8f93\u51fa\u7535\u5e73\u53c8\u8df3\u53d8\u4e3a\u9ad8\u7535\u5e73\uff0c\u7535\u5bb9C\u91cd\u65b0\u5f00\u59cb\u5145\u7535\u3002\u5982\u6b64\u5468\u800c\u590d\u59cb\uff0c\u7535\u8def\u4fbf\u4e0d\u505c\u5730\u632f\u8361\u3002\u5176\u4e2d\u632f\u8361\u5468\u671f\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1a<br \/>\n$$T = RCln \\big( \\frac{ U_{DD}-U_{T-} }{U_{DD}-U_{T+}} .\u00a0\\frac{U_{T+}}{U_{T-}} \u00a0)$$ \uff083\uff09<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>\u6e05\u96f6\u4fe1\u53f7\uff08<\/strong><strong>CLR<\/strong><strong>\uff09\u548c\u6d4b\u91cf\u65f6\u95f4\u63a7\u5236\u4fe1\u53f7\uff08\\(\\Delta t\\)<\/strong><strong>\uff09<\/strong><\/li>\n<\/ul>\n<p>\u6e05\u96f6\u4fe1\u53f7\u7684\u4f5c\u7528\u662f\u5728\u6bcf\u6b21\u91cd\u65b0\u6d4b\u91cf\u4e4b\u524d\u6e05\u9664\u4e0a\u6b21\u6d4b\u91cf\u7684\u6570\u636e\uff0c\u6240\u4ee5\u8981\u6c42\u5728\u6d4b\u91cf\u89e6\u53d1\u8109\u51b2\u4e4b\u524d\u6709\u6548\u3002\u65f6\u95f4\u4e0d\u9700\u8981\u592a\u957f\uff0c\u51e0\u5fae\u7c73\u5373\u53ef\uff0c\u8fd9\u91cc\u6211\u4eec\u9009\u62e9\u4e861ms\u5de6\u53f3\u7684\u4fe1\u53f7\uff0c\u4eba\u65e0\u611f\u89c9\uff0c\u4f46\u53c8\u8db3\u591f\u957f\uff0c\u4fdd\u8bc1\u4e86\u7535\u8def\u7684\u7a33\u5b9a\u6027\u3002\u56e0\u4e3a\u4e0e\u6d4b\u91cf\u89e6\u53d1\u8109\u51b2\u5173\u8054\u800c\u81ea\u8eab\u6709\u6548\u65f6\u95f4\u53c8\u662f\u56fa\u5b9a\u7684\uff0c\u6240\u4ee5\u9009\u7528\u5355\u7a33\u6001\u7535\u8def\u3002\u7535\u8def\u539f\u7406\u56fe\u5982\u56fe5\uff1a<\/p>\n<p><a href=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/CLR.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-75\" src=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/CLR-300x273.png\" alt=\"CLR\" width=\"300\" height=\"273\" srcset=\"https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/CLR-300x273.png 300w, https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/CLR.png 312w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe5 \u5355\u7a33\u6001\u89e6\u53d1\u7535\u8def<strong>\u00a0<\/strong><\/p>\n<ul>\n<li><strong>\u6807\u51c6\u9891\u7387\u6d4b\u91cf\u63a7\u5236\u4fe1\u53f7\uff08<\/strong><strong>T<\/strong><strong>\uff09<\/strong><\/li>\n<\/ul>\n<p><strong>\u00a0\u00a0<\/strong>\u7531\u6ce2\u5f62\u56fe\u53ef\u4ee5\u76f4\u89c2\u5730\u770b\u51fa\uff0c\u6807\u51c6\u9891\u7387\u6d4b\u91cf\u63a7\u5236\u4fe1\u53f7\u7531\\(\\Delta t\\)\u548c\u88ab\u6d4b\u9891\u7387\u5171\u540c\u51b3\u5b9a\uff0c\u5176\u65f6\u95f4\u4e3a\\(\\Delta t\\)\u5f00\u59cb\u540e\uff0c\u88ab\u6d4b\u4fe1\u53f7\u7684\u7b2c\u4e00\u4e2a\u4e0a\u5347\u6cbf\u76f4\u81f3\u7ed3\u675f\u540e\u7684\u7b2c\u4e00\u4e2a\u4e0a\u5347\u6cbf\u7684\u65f6\u95f4\u3002\u56e0\u4e3a\u5f00\u59cb\u548c\u7ed3\u675f\u90fd\u662f\u4e0e\u88ab\u6d4b\u4fe1\u53f7\u6709\u5173\uff0c\u6240\u4ee5\u9996\u5148\u8003\u8651\u89e6\u53d1\u5668\uff0c\u800c\u8fd9\u6bb5\u65f6\u95f4\u5185\u7684\u72b6\u6001\u5b8c\u5168\u8ddf\u968f\\(\\Delta t\\)\uff0c\u6240\u4ee5\u53ef\u4ee5\u4f7f\u7528D\u89e6\u53d1\u5668\u5b9e\u73b0\u3002\u7535\u8def\u539f\u7406\u56fe\u5982\u56fe6\uff1a<\/p>\n<p><a href=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/D.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-76\" src=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/D.png\" alt=\"D\" width=\"267\" height=\"212\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe6 \u6807\u51c6\u9891\u7387\u6d4b\u91cf\u65f6\u95f4\u63a7\u5236\u7535\u8def<\/p>\n<p>T\u7684\u8868\u8fbe\u5f0f\u4e3a\uff1a<\/p>\n<p style=\"text-align: right;\">$$\u00a0T^{n+1} = \\Delta t$$\uff084\uff09<\/p>\n<ul>\n<li><strong>\u6807\u51c6\u9891\u7387<\/strong><\/li>\n<\/ul>\n<p>\u7531\u5f0f\uff082\uff09\u53ef\u77e5\uff0c\u6807\u51c6\u9891\u7387\u76f4\u63a5\u5f71\u54cd\u6d4b\u91cf\u7ed3\u679c\u7684\u51c6\u786e\u6027\uff0c\u6240\u4ee5\u6807\u51c6\u9891\u7387\u5fc5\u987b\u8f83\u4e3a\u51c6\u786e\u3002\u8003\u8651\u7535\u8def\u7ed3\u6784\u3001\u6210\u672c\u548c\u8c03\u8bd5\u96be\u5ea6\u7b49\u56e0\u7d20\uff0c\u7ee7\u7eed\u9009\u7528\u65bd\u5bc6\u7279\u89e6\u53d1\u5668\u4f5c\u4e3a\u6807\u51c6\u9891\u7387\u53d1\u751f\u5355\u5143\u7684\u57fa\u7840\u5143\u4ef6\u3002\u5176\u7535\u8def\u5982\u540c\u6d4b\u91cf\u89e6\u53d1\u8109\u51b2\uff0c\u53ea\u662f\u5143\u4ef6\u53c2\u6570\u4e0d\u540c\u3002<\/p>\n<p>\u4e3a\u4e86\u6269\u5927\u9891\u7387\u6d4b\u91cf\u8303\u56f4\uff0c\u6211\u4eec\u8fd8\u589e\u52a0\u4e86\u5143\u4ef6\u53c2\u6570\u9009\u62e9\u5f00\u5173\u3002<\/p>\n<ol start=\"3\">\n<li><strong>\u8ba1\u6570\u5668<\/strong>\n<ul>\n<li><strong>\u8ba1\u6570\u5355\u5143<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u7531\u5f0f\uff084\uff09\u53ef\u77e5\uff0c\u5206\u522b\u8981\\(C_{x}\\)\u548c\\(C_{h}\\)\u4e24\u4e2a\u53c2\u6570\uff0c\u8003\u8651\u5230\u4e0e8\u4f4dD\/A\u7684\u8fde\u63a5\uff0c\u6bcf\u4e2a\u8ba1\u6570\u5355\u5143\u9700\u89818\u4f4d\uff0c\u800c\u4e00\u822c\u5341\u516d\u8fdb\u5236\u8ba1\u6570\u5668\u5747\u53ea\u67094\u4f4d\uff0c\u6240\u4ee5\u8fd9\u91cc\u9700\u8981\u4f7f\u7528\u4e24\u7247\u5341\u516d\u8fdb\u5236\u7ec4\u62108\u4f4d\u8ba1\u6570\u5668\uff08\u4e8c\u767e\u4e94\u5341\u516d\u8fdb\u5236\uff09\u3002<\/p>\n<p>\u53c2\u8003\u5341\u516d\u8fdb\u5236\u540c\u6b65\u8ba1\u6570\u566874LS161\u7684\u771f\u503c\u8868\u53ef\u77e5\uff0c\u5f53\u8ba1\u6570\u5668\u63a5\u6536\u7b2c15\u4e2a\u4e0a\u5347\u6cbf\u65f6\uff0c\u8fdb\u4f4d\u6807\u5fd7\u4e3a\u9ad8\u7535\u5e73\uff0c\u63a5\u6536\u7b2c16\u4e2a\u8109\u51b2\u540e\u6062\u590d\u4f4e\u7535\u5e73\u3002\u800c\u8ba1\u6570\u5668\u63a5\u53d7\u4e0a\u5347\u6cbf\u89e6\u53d1\uff0c\u6240\u4ee5\u4e3a\u4e86\u907f\u514d\u9ad84\u4f4d\u8ba1\u6570\u5668\u5728\u7b2c15\u4e2a\u4e0a\u5347\u6cbf\u65f6\u8ba1\u6570\uff0c\u9700\u8981\u5728\u4f4e4\u4f4d\u8ba1\u6570\u5668\u7684\u8fdb\u4f4d\u8f93\u51fa\u63a5\u53cd\u76f8\u5668\u518d\u63a5\u5165\u9ad84\u4f4d\u8ba1\u6570\u5668\u3002<\/p>\n<p>\u56e0\u4e3a\u9700\u8981\u5206\u522b\u5728\\(\\Delta t\\)\u548cT\u65f6\u95f4\u6bb5\u5185\u624d\u80fd\u8ba1\u6570\uff0c\u6240\u4ee5\u9700\u8981\u8f93\u5165\u76f8\u5e94\u4f7f\u80fd\u4fe1\u53f7\u3002\u53c2\u8003\u771f\u503c\u8868\uff0c\u53d1\u73b0\u6709\u4e24\u4e2aEN\u8f93\u5165\u7aef\uff0c\u901a\u8fc7\u4e0d\u540c\u7684\u642d\u914d\u53ef\u4ee5\u5b9e\u73b0\u4e0d\u540c\u7684\u4f7f\u80fd\u548c\u4fdd\u6301\u529f\u80fd\u3002\u4e3a\u4e86\u65b9\u4fbf\u540e\u7eed\u6570\u636e\u5904\u7406\uff0c\u8fd9\u91cc\u9009\u62e9\u9501\u5b58\u529f\u80fd\u8fdb\u884c\u8ba1\u6570\u4f7f\u80fd\uff0c\u5f53\u4e24\u8ba1\u6570\u5668\u5206\u522b\u5728\\(\\Delta t\\)\u548cT\u65f6\u95f4\u6bb5\u5185\u65f6\uff0c\u8ba1\u6570\u5668\u53ef\u4ee5\u8ba1\u6570\uff0c\u53cd\u4e4b\u5219\u4fdd\u6301\u6570\u636e\u548c\u8fdb\u4f4d\u7aef\u3002\u5728\u4e00\u4e0b\u4e2a\u6d4b\u91cf\u89e6\u53d1\u8109\u51b2\u5230\u6765\u5e76\u89e6\u53d1\u6e05\u96f6\u4fe1\u53f7\u540e\uff0c\u8ba1\u6570\u5668\u7acb\u5373\u6e05\u96f6\uff0c\u5f00\u59cb\u65b0\u4e00\u8f6e\u8ba1\u6570\u3002<\/p>\n<p>\u7535\u8def\u5982\u56fe7\u6240\u793a\uff1a<a href=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/jishuqi1.png\"><img loading=\"lazy\" decoding=\"async\" class=\" size-full wp-image-83 alignnone\" src=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/jishuqi1.png\" alt=\"jishuqi\" width=\"791\" height=\"313\" srcset=\"https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/jishuqi1.png 791w, https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/jishuqi1-300x119.png 300w\" sizes=\"auto, (max-width: 791px) 100vw, 791px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\">\u56fe7 \u8ba1\u6570\u5668\u539f\u7406\u56fe<\/p>\n<ul>\n<li><strong>\u6ea2\u51fa\u68c0\u6d4b\u5355\u5143<\/strong><\/li>\n<\/ul>\n<p>8\u4f4d\u8ba1\u6570\u5668\u662f256\u8fdb\u5236\u8ba1\u6570\u5668\uff0c\u5373\u5355\u6b21\u6700\u5927\u53ef\u8ba1\u6570256\uff0c\u4ee51kHz\u6807\u51c6\u9891\u7387\u8ba1\u7b97\uff0cT\u6700\u5927\u53d6\u503c\u4e3a256\u6beb\u79d2\u3002\u5f53\u8ba1\u7b97\u6807\u51c6\u9891\u7387\u7684\u8ba1\u6570\u5668\u6ea2\u51fa\u65f6\uff0c\u610f\u5473\u7740\u6240\u6d4b\u91cf\u7684\u88ab\u6d4b\u4fe1\u53f7\u9891\u7387\u592a\u4f4e\uff0c\u5728\u91cf\u7a0b\u4e4b\u5916\u3002\u540c\u7406\uff0c\u5f53\u8ba1\u7b97\u88ab\u6d4b\u4fe1\u53f7\u9891\u7387\u7684\u8ba1\u6570\u5668\u6ea2\u51fa\u65f6\uff0c\u610f\u5473\u7740\u88ab\u6d4b\u4fe1\u53f7\u9891\u7387\u592a\u9ad8\uff0c\u8d85\u51fa\u91cf\u7a0b\u3002<\/p>\n<p>\u4e3a\u4e86\u6307\u793a\u6e05\u695a\u8fd9\u79cd\u60c5\u51b5\uff0c\u501f\u52a9\u9ad84\u4f4d\u8ba1\u6570\u5668\u7684\u8fdb\u4f4d\u8f93\u51fa\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u663e\u793a\u6ea2\u51fa\u60c5\u51b5\u3002\u5f53\u4efb\u4f55\u4e00\u4e2a\u8ba1\u6570\u5668\u6ea2\u51fa\u540e\uff0c\u8ba1\u6570\u6570\u636e\u5c06\u88ab\u4fdd\u6301\uff0c\u5e76\u505c\u6b62\u8ba1\u6570\uff0c\u76f4\u5230\u4e0b\u4e00\u4e2a\u6e05\u96f6\u4fe1\u53f7\u6765\u4e34\u3002\u7535\u8def\u5982\u56fe\u6240\u793a\u3002<\/p>\n<p><a href=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/toolow.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-78\" src=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/toolow.png\" alt=\"toolow\" width=\"248\" height=\"251\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe8 \u8d85\u91cf\u7a0b\u6307\u793a\u7535\u8def<\/p>\n<ol start=\"4\">\n<li><strong>\u6570\u6a21\u8f6c\u6362\u548c\u8fd0\u7b97\u7535\u8def<\/strong><\/li>\n<\/ol>\n<p><strong>\u00a0\u00a0<\/strong>\u7531\u4e8e\u4f7f\u7528\u8ba1\u6570\u5668\u8ba1\u7b97\u51fa\u6765\u7684\u662f\u6570\u5b57\u4e86\uff0c\u4e0d\u80fd\u901a\u8fc7\u7b80\u5355\u7535\u8def\u76f4\u63a5\u76f8\u9664\uff0c\u6240\u4ee5\u9700\u8981\u5148\u8f6c\u6362\u4e3a\u6a21\u62df\u91cf\u518d\u8fdb\u884c\u76f8\u9664\u8fd0\u7b97\u3002\u4e00\u822c\u4fe1\u53f7\u91cf\u76f8\u9664\u53ef\u4ee5\u901a\u8fc7\u4e58\u6cd5\u5668\u5b9e\u73b0\uff0c\u4f46\u662f\u672c\u7535\u8def\u8f6c\u6362\u51fa\u6765\u7684\u4fe1\u53f7\u5c5e\u4e8e\u5927\u4fe1\u53f7\uff0c\u4e0d\u80fd\u901a\u8fc7\u666e\u901a\u4e58\u6cd5\u5668\u6765\u8fd0\u7b97\uff0c\u6240\u4ee5\u8fd9\u91cc\u8bbe\u8ba1\u4e86\u4e00\u79cd\u65e0\u9700\u4e58\u6cd5\u5668\u7684\u9664\u6cd5\u7535\u8def\u3002<\/p>\n<ol start=\"5\">\n<li><strong>\u6a21\u6570\u8f6c\u6362<\/strong><\/li>\n<\/ol>\n<p><strong>\u00a0\u00a0<\/strong>\u4e00\u822c\u6a21\u6570\u8f6c\u6362\u540e\u5f97\u5230\u4e00\u4e2a\u6570\u5b57\u91cf\uff0c\u4f46\u662f\u82e5\u672c\u7535\u8def\u4f9d\u7136\u4f7f\u7528\u666e\u901aAD\u8f6c\u6362\u5f97\u5230\u4e00\u4e2a\u6570\u5b57\u91cf\u7684\u8bdd\uff0c\u9700\u8981\u8fdb\u4e00\u6b65\u8fdb\u884c\u590d\u6742\u5904\u7406\u624d\u80fd\u5f97\u5230\u6570\u7801\u7ba1\u80fd\u663e\u793a\u7684\u6570\u5b57\u91cf\u3002\u6240\u4ee5\u6211\u4eec\u53c2\u8003\u6570\u5b57\u7535\u538b\u8868\u7684\u505a\u6cd5\uff0c\u9009\u7528\u4e00\u4e2a\u53cc\u79ef\u5206\u578b3\u4f4d\u534aAD\u8f6c\u6362\u5668\uff0c\u80fd\u76f4\u63a5\u4ea7\u751f\u6570\u5b57\u91cf\u5e76\u63a7\u5236\u6570\u7801\u7ba1\u626b\u63cf\u663e\u793a\u3002<\/p>\n<ol start=\"6\">\n<li><strong>\u6570\u663e\u6a21\u5757<\/strong><\/li>\n<\/ol>\n<p>\u867d\u7136AD\u8f6c\u6362\u5668\u5df2\u7ecf\u76f4\u63a5\u5b8c\u6210\u4e86\u6570\u7801\u7ba1\u7684\u626b\u63cf\u548c\u8f93\u51fa\u63a7\u5236\uff0c\u4f46\u56e0\u4e3a\u9a71\u52a8\u80fd\u529b\u6709\u9650\uff0c\u6240\u4ee5\u8fd8\u9700\u8981\u8fdb\u4e00\u6b65\u6dfb\u52a0\u6570\u7801\u7ba1\u9a71\u52a8\u7535\u8def\uff0c\u4e3b\u8981\u4e3a\u6dfb\u52a0CD4511\u8bd1\u7801\u5668\u548c\u7535\u6d41\u9a71\u52a8\u5668\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u56e0\u4e3a\u8bbe\u8ba1\u4e86\u591a\u6863\u91cf\u7a0b\uff0c\u6240\u4ee5\u8fd8\u9700\u8981\u6dfb\u52a0\u4e00\u4e2a\u5c0f\u6570\u70b9\u9009\u62e9\u7535\u8def\u3002<\/p>\n<ul>\n<li>\n<h2><strong>\u5143\u5668\u4ef6\u9009\u62e9\u4e0e\u53c2\u6570\u8ba1\u7b97<\/strong><\/h2>\n<\/li>\n<\/ul>\n<ol>\n<li><strong>\u6ce2\u5f62\u8f6c\u6362\u7535\u8def<\/strong><\/li>\n<\/ol>\n<p><strong>\u00a0\u00a0<\/strong>\u4e00\u822c\u6ce2\u5f62\u8f6c\u6362\u7535\u8def\u4f7f\u7528\u65bd\u5bc6\u7279\u89e6\u53d1\u5668\uff0c\u5229\u7528\u56de\u5dee\u7535\u538b\u51cf\u5c11\u96f6\u70b9\u6296\u52a8\u3002\u8fd9\u91cc\u4e5f\u4f7f\u7528\u8fd9\u79cd\u505a\u6cd5\u3002<\/p>\n<p>\u9009\u62e9\u65bd\u5bc6\u7279\u89e6\u53d1\u5668\u65f6\uff0c\u6709TTL\u82af\u7247\u548cCMOS\u7535\u8def\u4e24\u79cd\u82af\u7247\uff0c\u5206\u522b\u4e3a74LS06\u548cCD40106\u3002\u8003\u8651\u5230\u6574\u4f53\u7535\u8def\u4e3aTTL\u7535\u5e73\uff0c\u9996\u900974LS06\u3002\u4f46\u5b9e\u9645\u6d4b\u8bd5\u7ed3\u679c\u8868\u660e\uff0c74LS06\u8f6c\u6362\u6548\u679c\u4e0d\u7406\u60f3\u3002\u5e78\u8fd0\u7684\u662fCD40106\u548c74LS06\u7684\u5f15\u811a\u662f\u4e00\u6837\u7684\uff0c\u800c\u4e14CD40106\u7684\u8f6c\u6362\u6548\u679c\u6bd4\u8f83\u7406\u60f3\uff0c\u6240\u4ee5\u76f4\u63a5\u7528CD40106\u66ff\u636274LS06\u5373\u53ef\u3002<\/p>\n<ol start=\"2\">\n<li><strong>\u6ce2\u5f62\u53d1\u751f\u7535\u8def<\/strong>\n<ul>\n<li><strong>\u6d4b\u91cf\u89e6\u53d1\u8109\u51b2\uff08\\(f_{m}\\)<\/strong><strong>\uff09<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>\u00a0\u00a0<\/strong>\u6d4b\u91cf\u89e6\u53d1\u8109\u51b2\u5b9e\u9645\u4e0a\u4e3a\u4e00\u4e2a\u77e9\u5f62\u6ce2\uff0c\u6240\u4ee5\u53ef\u4ee5\u5229\u7528\u4e0a\u9762\u63d0\u5230\u7684CD40106\u516d\u65bd\u5bc6\u7279\u53cd\u76f8\u5668\u505a\u591a\u8c10\u632f\u8361\u5668\u3002\u8ba1\u7b97\u516c\u5f0f\u5982\u5f0f\uff083\uff09\u6240\u793a\u3002<\/p>\n<p>\u6240\u9700<strong>\\(f_{m}\\)<\/strong>\u4e3a2Hz\u5de6\u53f3\uff0c\u65e0\u9700\u7cbe\u786e\uff0c\u6240\u4ee5\u53ef\u4ee5\u7528\u5e38\u7528\u7535\u963b\u7535\u5bb9\u76f4\u63a5\u642d\u5efa\u3002\u8fd9\u91cc\u900910uF\u7535\u5bb9\uff0c20K\u03a9\u7535\u963b\u3002<\/p>\n<ul>\n<li><strong>\u6e05\u96f6\u4fe1\u53f7\u548c\u6d4b\u91cf\u65f6\u95f4\u63a7\u5236\u4fe1\u53f7\uff08\\(\\Delta t\\)<\/strong><strong>\uff09<\/strong><\/li>\n<\/ul>\n<p><strong>\u00a0\u00a0<\/strong>\u8fd9\u4e24\u4e2a\u4fe1\u53f7\u90fd\u662f\u5355\u7a33\u6001\u4fe1\u53f7\uff0c\u6709\u51e0\u79cd\u65b9\u6848\u53ef\u4ee5\u642d\u5efa\u5355\u7a33\u6001\u53d1\u751f\u5668\uff0c\u5206\u522b\u4e3a\uff1a555\u7535\u8def\u3001\u65bd\u5bc6\u7279\u89e6\u53d1\u5668\u548c\u96c6\u6210\u5355\u7a33\u6001\u89e6\u53d1\u5668\u3002\u7531\u4e8e\u672c\u65b9\u6848\u5df2\u7ecf\u9009\u7528CD40106\u516d\u65af\u5bc6\u7279\u53cd\u76f8\u5668\uff0c\u6240\u4ee5\u53ef\u4ee5\u5229\u7528\u6b64\u82af\u7247\u3002\u4f46\u662f\u8003\u8651\u5230\u6269\u5c55\u91cf\u7a0b\u7684\u9700\u6c42\u548c\u7a33\u5b9a\u6027\uff0c\u9009\u7528\u96c6\u6210\u96c6\u6210\u53cc\u5355\u7a33\u6001\u89e6\u53d1\u5668CD4538\uff0c\u521a\u597d\u6ee1\u8db3\u8bbe\u8ba1\u9700\u6c42\uff0c\u4e14\u7ec4\u5efa\u7535\u8def\u65b9\u4fbf\uff0c\u6613\u4e8e\u8c03\u8282\u3002<\/p>\n<p>\u7531\u4e8e\u6e05\u96f6\u4fe1\u53f7\u548c\u90fd\u4e0d\u9700\u8981\u7cbe\u786e\uff0c\u53d6\u5b9a\u65f6\u65f6\u95f4\u4e3aT\\(\u00a0\\approx \\)0.1RC\uff0c\u8ba1\u7b97\u5f97\u6e05\u96f6\u4fe1\u53f7\u7535\u8def\u7684\\(C_{x}=0.1\\mu F\\)\uff0c\\(R_{x}=20K\u03a9\\)\uff1b<\/p>\n<p><strong>\\(\\Delta t\\)<\/strong>\u7535\u8def\u7684\u5178\u578b\u6863\u4f4d\u53d6\\(C_{x}=1\\nu F\\)\uff0c\\(R_{x}=200K\u03a9\\)\uff0c\u6700\u5927\u53ef\u4ee5\u6d4b\u91cf2kHz\u7684\u9891\u7387\uff1b<\/p>\n<p>10kHz\u6863\u4f4d\u53d6\\(C_{x}=1\\mu F\\)\uff0c\\(R_{x}=20K\u03a9\\)\uff0c\u6700\u5927\u53ef\u6d4b\u91cf20kHz\u7684\u9891\u7387\uff1b<\/p>\n<p>100kHz\u6863\u4f4d\u53d6\\(C_{x}=0.1\\mu F\\)\uff0c\\(R_{x}=20K\u03a9\\)\uff0c\u6700\u5927\u53ef\u6d4b\u91cf200kHz\u7684\u9891\u7387\u3002<\/p>\n<ul>\n<li><strong>\u6807\u51c6\u9891\u7387\u65f6\u95f4\u63a7\u5236\u4fe1\u53f7\uff08<\/strong><strong>T<\/strong><strong>\uff09<\/strong><\/li>\n<\/ul>\n<p><strong>\u00a0\u00a0<\/strong>\u6b64\u90e8\u5206\u7535\u8def\u9700\u8981\u4f7f\u7528D\u89e6\u53d1\u5668\uff0c\u7531\u4e8e\u6240\u6709\u72b6\u6001\u90fd\u4ece\u88ab\u6d4b\u4fe1\u53f7\u8df3\u53d8\u5904\u66f4\u6539\uff0c\u6240\u4ee5\u53ea\u9700\u8981\\(f_{x}\\)\u4f5c\u4e3a\u65f6\u949f\u6cbf\uff0c\u9009\u752874LS175\u56dbD\u89e6\u53d1\u5668\uff0c\u4f7f\u7528\u516c\u5171\u65f6\u949f\u6cbf\u3002<\/p>\n<ul>\n<li><strong>\u6807\u51c6\u9891\u7387<\/strong><\/li>\n<\/ul>\n<p>\u56e0\u4e3aCD40106\u516d\u4e2a\u65bd\u5bc6\u7279\u53cd\u76f8\u5668\u53ea\u4f7f\u7528\u4e86\u4e24\u4e2a\uff0c\u6240\u4ee5\u5269\u4e0b\u4e09\u4e2a\u6863\u4f4d\u7684\u6807\u51c6\u9891\u7387\u53ef\u7ee7\u7eed\u4f7f\u7528CD40106\uff0c\u5229\u4e8e\u7535\u8def\u8bbe\u8ba1\u3001\u8c03\u8bd5\u548c\u8282\u7701\u6210\u672c\u3002\u4e3a\u4e86\u63d0\u9ad8\u9891\u7387\u7684\u7cbe\u786e\u5ea6\u548c\u7a33\u5b9a\u6027\uff0c\u518d\u8bbe\u8ba1\u53cd\u9988\u7535\u963b\u65f6\uff0c\u4f7f\u7528\u56fa\u5b9a\u7535\u963b\u52a0\u7535\u4f4d\u5668\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u8ba1\u7b97\u5f97\u5178\u578b\u91cf\u7a0b\u7684\u53c2\u6570\u4e3a\uff1a\u7535\u5bb9\u53d6\\(C_{x}=0.1\\mu F\\)\uff0c\u7535\u4f4d\u5668R=4.7K\u03a9+2K\u03a9\uff1b<\/p>\n<p>20kHz\u91cf\u7a0b\u7684\u53c2\u6570\u4e3a\uff1a\u7535\u5bb9\u53d6\\(C_{x}=0.1\\mu F\\)\uff0c\u7535\u4f4d\u5668R=470\u03a9+200\u03a9\uff1b<\/p>\n<p>200kHz\u91cf\u7a0b\u7684\u53c2\u6570\u4e3a\uff1a\u7535\u5bb9\u53d6\\(C_{x}=0.01\\mu F\\)\uff0c\u7535\u4f4d\u5668R=470\u03a9+200\u03a9\u3002<\/p>\n<p>&nbsp;<\/p>\n<ol start=\"3\">\n<li><strong>\u8ba1\u6570\u5668<\/strong><\/li>\n<\/ol>\n<p><strong>\u00a0\u00a0<\/strong>16\u8fdb\u5236\u8ba1\u6570\u5668\u6709\u540c\u6b65\u548c\u5f02\u6b65\u8ba1\u6570\u5668\uff0c\u540c\u6b65\u8ba1\u6570\u5668\u4e4b\u4e2d\uff0c\u53c8\u5206\u4e3a\u540c\u6b65\u6e05\u96f6\u548c\u5f02\u6b65\u6e05\u96f6\u8ba1\u6570\u5668\u3002\u5e02\u9762\u4e0a\u8f83\u5bb9\u6613\u4e70\u5230\u7684\u662f\u540c\u6b65\u8ba1\u6570\u5668\uff0cTTL\u578b\u7684\u670974LS161\u300174LS163\u548c74LS192\u7b49\u3002\u5176\u4e2d74LS192\u662f\u53ef\u9006\u8ba1\u6570\u5668\uff0c\u672c\u7535\u8def\u5e76\u4e0d\u9700\u8981\u6b64\u529f\u80fd\uff0c\u6240\u4ee5\u4e0d\u4e88\u9009\u62e9\uff0c74LS163\u662f\u540c\u6b65\u6e05\u96f6\uff0c\u9700\u8981\u7b49\u5230\u4e0b\u4e00\u4e2a\u65f6\u949f\u6cbf\u624d\u80fd\u6e05\u96f6\uff0c\u8003\u8651\u672c\u7535\u8def\u7684\u6e05\u96f6\u5e76\u4e0d\u9700\u8981\u7b49\u5f85\uff0c\u4e14\u8d8a\u5feb\u8d8a\u597d\uff0c\u6240\u4ee5\u4f7f\u752874LS161\u3002<\/p>\n<ol start=\"4\">\n<li><strong>\u6570\u6a21\u8f6c\u6362\u4e0e\u8fd0\u7b97\u7535\u8def<\/strong><\/li>\n<\/ol>\n<p>\u7efc\u5408\u8003\u8651\u8f6c\u6362\u7cbe\u5ea6\u548c\u6210\u672c\uff0c\u672c\u7cfb\u7edf\u9009\u75288\u4e3aDA\u8f6c\u6362\u5668DAC0832\u3002<\/p>\n<p>DA\u8f6c\u6362\u51fa\u6765\u7684\u4fe1\u53f7\u662f\u7535\u6d41\u91cf\uff0c\u9700\u8981\u8f6c\u6362\u6210\u7535\u538b\u4fe1\u53f7\uff0c\u6240\u4ee5\u9700\u8981\u642d\u914d\u8fd0\u7b97\u653e\u5927\u5668\u4f7f\u7528\u3002\u8003\u8651\u6574\u4f53\u6210\u672c\uff0c\u8fd9\u91cc\u9009\u62e9\u5e38\u7528\u7684ua741\u96c6\u6210\u5355\u8fd0\u653e\uff0c\u867d\u7136\u6709\u8c03\u96f6\u5f15\u811a\uff0c\u4f46\u662f\u5b9e\u6d4b\u53d1\u73b0\u5373\u4f7f\u4e0d\u52a0\u4efb\u4f55\u8c03\u96f6\u63aa\u65bd\uff0c\u8fd8\u662f\u6ca1\u6709\u5927\u578b\u6742\u6ce2\u8f93\u51fa\u7684\u3002<\/p>\n<ol start=\"5\">\n<li><strong>\u6a21\u6570\u8f6c\u6362<\/strong><\/li>\n<\/ol>\n<p><strong>\u00a0\u00a0<\/strong>\u9009\u7528MC14433\u53cc\u79ef\u5206\u578b\u4e09\u4f4d\u534aAD\u8f6c\u6362\u5668\u3002MC14433\u5177\u6709\u81ea\u52a8\u8c03\u96f6\u3001\u81ea\u52a8\u6781\u6027\u8f6c\u6362\u7b49\u529f\u80fd\u3002\u53ef\u6d4b\u91cf\u6b63\u6216\u8d1f\u7684\u7535\u538b\u503c\uff0c\u5f53CP<sub>1<\/sub>\u3001CP<sub>0<\/sub>\u63a5\u5165470k\u03a9\u7535\u963b\u65f6\uff0c\u6bcf\u79d2\u949f\u53ef\u8fdb\u884c4\u6b21AD\u8f6c\u6362\u3002\u5b83\u7684\u8c03\u8bd5\u7b80\u4fbf\uff0c\u80fd\u4e0e\u5fae\u5904\u7406\u673a\u6216\u5176\u5b83\u6570\u5b57\u7cfb\u7edf\u517c\u5bb9\uff0c\u5e7f\u6cdb\u7528\u4e8e\u6570\u5b57\u9762\u677f\u8868\u3001\u6570\u5b57\u4e07\u7528\u8868\u3001\u6570\u5b57\u6e29\u5ea6\u8ba1\u3001\u6570\u5b57\u91cf\u5177\u53ca\u9065\u6d4b\u3001\u9065\u63a7\u7cfb\u7edf\u3002<\/p>\n<ol start=\"6\">\n<li><strong>\u6570\u663e\u6a21\u5757<\/strong><\/li>\n<\/ol>\n<p>\u56e0\u4e3aMC14433\u7684\u8f93\u51fa\u4fe1\u53f7\u5305\u542b\u7279\u6b8a\u503c\uff0c\u53ef\u80fd\u4f1a\u4ee4\u663e\u793a\u51fa\u73b0\u96be\u4ee5\u7406\u89e3\u7684\u7684\u7b26\u53f7\uff0c\u6240\u4ee5\u5229\u7528\u663e\u793a\u8bd1\u7801\u5668\u7684\u6d88\u9690\u529f\u80fd\u963b\u6321\u8fd9\u90e8\u5206\u8f93\u51fa\uff0c\u80fd\u5b9e\u73b0\u8fd9\u4e2a\u529f\u80fd\u7684\u82af\u7247\u6709CD4511\u3002\u5176\u4ef7\u683c\u4fbf\u5b9c\uff0c\u8c03\u8bd5\u65b9\u4fbf\uff0c\u662f\u9996\u9009\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u9700\u8981\u4f7f\u7528\u53cd\u76f8\u63a7\u5236\u548c\u589e\u5927\u9a71\u52a8\u80fd\u529b\uff0c\u9009\u7528\u9f50\u9c81\u8fbe\u6797\u987f\u6676\u4f53\u7ba1\u5217\u9635MC1413\u3002\u5177\u6709\u5f88\u9ad8\u7684\u7535\u6d41\u589e\u76ca\u548c\u5f88\u9ad8\u7684\u8f93\u5165\u963b\u6297\uff0c\u5e76\u628a\u7535\u538b\u4fe1\u53f7\u8f6c\u6362\u6210\u8db3\u591f\u5927\u7684\u7535\u8def\u4fe1\u53f7\u9a71\u52a8\u5171\u9634\u6570\u7801\u7ba1\u3002<\/p>\n<ul>\n<li><strong>\u8c03\u8bd5\u8fc7\u7a0b<\/strong><\/li>\n<\/ul>\n<ol>\n<li><strong>Multisim<\/strong><strong>\u8f6f\u4ef6\u4eff\u771f<\/strong><\/li>\n<\/ol>\n<p><strong>\u00a0\u00a0<\/strong>\u5728\u65b9\u6848\u9009\u62e9\u548c\u8bba\u8bc1\u8fc7\u7a0b\u4e2d\uff0c\u4e3a\u4e86\u8fdb\u4e00\u6b65\u786e\u5b9a\u65b9\u6848\u7684\u53ef\u884c\u6027\uff0c\u6211\u4eec\u4f7f\u7528\u4e86Multisim\u8f6f\u4ef6\u8fdb\u884c\u4eff\u771f\u3002<\/p>\n<p>\u7531\u4e8e\u8bbe\u8ba1\u6d89\u53ca\u5143\u4ef6\u6bd4\u8f83\u591a\uff0c\u4f7f\u7528\u666e\u901a\u7eb8\u5f20\u65e0\u6cd5\u5bb9\u7eb3\u6240\u6709\u5143\u4ef6\uff0c\u6240\u4ee5\u6211\u4eec\u4f7f\u7528\u4e86\u5206\u5c42\u6b21\u4eff\u771f\u7684\u65b9\u6cd5\uff1a\u628a\u7cfb\u7edf\u5206\u4e3a\u8ba1\u6570\u5668\u90e8\u5206\u3001\u8fd0\u7b97\u7535\u8def\u90e8\u5206\u548c\u6ce2\u5f62\u53d1\u751f\u4e0e\u53d8\u6362\u90e8\u5206\u3002\u5982\u56fe\uff1a<\/p>\n<p><a href=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-92\" src=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim1.png\" alt=\"multisim1\" width=\"351\" height=\"314\" srcset=\"https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim1.png 351w, https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim1-300x268.png 300w\" sizes=\"auto, (max-width: 351px) 100vw, 351px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe9 \u603b\u4f53\u4eff\u771f\u7ed3\u6784<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-93\" src=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim2.png\" alt=\"multisim2\" width=\"587\" height=\"320\" srcset=\"https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim2.png 587w, https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim2-300x164.png 300w\" sizes=\"auto, (max-width: 587px) 100vw, 587px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe10 \u8ba1\u6570\u5668\u4eff\u771f\u90e8\u5206<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim3.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-94\" src=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim3.png\" alt=\"multisim3\" width=\"539\" height=\"379\" srcset=\"https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim3.png 539w, https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim3-300x211.png 300w\" sizes=\"auto, (max-width: 539px) 100vw, 539px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe11 \u8fd0\u7b97\u7535\u8def\u4eff\u771f\u90e8\u5206<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim4.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-95\" src=\"http:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim4.png\" alt=\"multisim4\" width=\"564\" height=\"342\" srcset=\"https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim4.png 564w, https:\/\/cheeman.net\/wp-content\/uploads\/2017\/04\/multisim4-300x182.png 300w\" sizes=\"auto, (max-width: 564px) 100vw, 564px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe12 \u6ce2\u5f62\u53d1\u751f\u4e0e\u8f6c\u5316\u4eff\u771f\u90e8\u5206<\/p>\n<ol start=\"2\">\n<li><strong>\u9762\u5305\u677f\u771f\u5b9e\u7535\u8def\u5206\u6a21\u5757\u9a8c\u8bc1\u65b9\u6848<\/strong><\/li>\n<\/ol>\n<p><strong>\u00a0\u00a0<\/strong>\u867d\u7136\u4f7f\u7528\u4e86Multisim\u8fdb\u884c\u4e86\u8f6f\u4ef6\u4eff\u771f\uff0c\u4f46\u5b9e\u9645\u7535\u8def\u4e0e\u4eff\u771f\u8fd8\u662f\u5b58\u5728\u5f88\u5927\u533a\u522b\u7684\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u4e24\u65b9\u9762\uff1a\u4e00\u662f\u5b9e\u9645\u5143\u4ef6\u53c2\u6570\u4e0e\u7406\u8bba\u53c2\u6570\u4e0d\u4e00\u81f4\uff0c\u4e8c\u662f\u90e8\u5206\u4eff\u771f\u7684\u5143\u4ef6\u6a21\u578b\u5b58\u5728\u9519\u8bef\u3002\u524d\u8005\u8868\u73b0\u5728\u6ce2\u5f62\u53d1\u751f\u548c\u6570\u6a21\u8f6c\u6362\u90e8\u5206\u7535\u8def\u8f83\u591a\uff0c\u800c\u540e\u8005\u5c31\u8868\u73b0\u5728\u8ba1\u6570\u5668\u7535\u8def\uff0c\u4f7f\u5f97\u5b9e\u9645\u7535\u8def\u8bbe\u8ba1\u4e0e\u4eff\u771f\u4e0d\u76f8\u540c\u3002<\/p>\n<p>\u5728\u505a\u8ba1\u6570\u5668\u7535\u8def\u65f6\uff0c\u6211\u4eec\u53d1\u73b0\u4eff\u771f\u8f6f\u4ef6\u4e2d\u768474LS161\u6a21\u578b\u662f\u4e0b\u964d\u6cbf\u89e6\u53d1\u7684\uff0c\u800c\u5b9e\u9645\u771f\u503c\u8868\u662f\u4e0a\u5347\u6cbf\u89e6\u53d1\uff0c\u8fd9\u4e2a\u5dee\u5f02\u8ba9\u6211\u4eec\u5f00\u59cb\u6000\u7591\u4eff\u771f\u8f6f\u4ef6\u7684\u6b63\u786e\u6027\uff0c\u968f\u540e\u5728\u505a\u6ea2\u51fa\u6307\u793a\u65f6\uff0c\u540c\u6837\u53d1\u73b0\u8fdb\u4f4d\u8f93\u51fa\u4e0e\u771f\u503c\u8868\u5b58\u5728\u51fa\u5165\u3002\u672c\u7740\u5bf9\u7406\u8bba\u77e5\u8bc6\u7684\u5145\u5206\u4fe1\u4efb\uff0c\u6211\u4eec\u62b1\u7740\u6000\u7591\u7684\u6001\u5ea6\u7528\u9762\u5305\u677f\u5206\u6a21\u5757\u9a8c\u8bc1\u65b9\u6848\uff0c\u679c\u7136\u53d1\u73b0\u90e8\u5206\u7535\u8def\u65b9\u6848\u662f\u6b63\u786e\u7684\uff0c\u4eff\u771f\u662f\u9519\u8bef\u7684\uff0c\u800c\u5b9e\u9645\u7535\u8def\u53c8\u7684\u786e\u662f\u6b63\u786e\u7684\uff01<\/p>\n<ol 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