{"id":19998,"date":"2022-01-19T10:31:25","date_gmt":"2022-01-19T02:31:25","guid":{"rendered":"https:\/\/www.paiqinano.com\/?p=19998"},"modified":"2022-02-18T15:58:09","modified_gmt":"2022-02-18T07:58:09","slug":"%e7%94%a8%e4%bc%a0%e8%be%93%e7%ba%bf%e7%ad%89%e6%95%88%e6%a8%a1%e5%9e%8b%e6%8e%a8%e5%87%ba%e5%8f%8c%e5%b1%82%e5%8a%a0%e8%bd%bd%e7%94%b5%e8%b7%af%e6%9d%bf%e7%9f%a9%e5%bd%a2%e8%85%94%e4%bd%93%e5%b1%8f","status":"publish","type":"post","link":"https:\/\/www.paiqinano.com\/?p=19998","title":{"rendered":"\u7528\u4f20\u8f93\u7ebf\u7b49\u6548\u6a21\u578b\u63a8\u51fa\u53cc\u5c42\u52a0\u8f7d\u7535\u8def\u677f\u77e9\u5f62\u8154\u4f53\u5c4f\u853d\u6548\u80fd\u7684\u8ba1\u7b97\u516c\u5f0f\u5e76\u9a8c\u8bc1"},"content":{"rendered":"<p>\n\t\u524d\u8a00<\/p>\n<p>\n\t<u>\u7535\u5b50\u5668\u4ef6<\/u>\u673a\u5668\u8bbe\u5907\u901a\u5e38\u7528\u5916\u58f3\u6765\u5c4f\u853d\u6389\u5916\u90e8\u78c1\u573a\u7684\u5f71\u54cd\uff0c\u5916\u58f3\u5916\u754c\u901a\u5e38\u4f1a\u5f00\u5b54\u6765\u7ed9\u4e88\u81ea\u7136\u901a\u98ce\u6027\u3001\u7531\u6b64\u53ef\u89c1\u6027\uff0c\u800c\u5982\u6b64\u7684\u6253\u5b54\u4f1a\u4f7f\u5916\u754c\u7684\u78c1\u573a\u901a<u>\u8fc7\u5b54<\/u>\u7f1d<u>\u85d5\u5408<\/u>\u5230\u673a\u5668\u8bbe\u5907\u5916\u58f3\u5167\u90e8\uff0c\u8fdb\u800c\u5728\u5916\u58f3\u5167\u90e8\u7684\u8bbe\u65bd\u6216<u>\u5370\u5237\u7ebf\u8def\u677f<\/u>\u4e0a\u78c1\u611f\u5e94\u51fa<u>\u7535\u6d41\u91cf<\/u>\u548c\u5de5\u4f5c\u7535\u538b\uff0c\u51cf\u5c11\u673a\u5668\u8bbe\u5907\u6216\u5143\u5668\u4ef6\u7684\u7279\u6027\uff0c\u6bd4\u8f83\u4e25\u91cd\u7684\u65f6\u5019\u4f1a\u5bf9\u5167\u90e8\u673a\u5668\u8bbe\u5907\u4ea7\u751f\u6bc1\u574f\u3002\u56e0\u800c\uff0c\u79d1\u5b66\u7814\u7a76\u6709\u65f6\u95f4\u5c4f\u853d\u6389\u8154\u5bf9\u5e72\u6270\u4fe1\u53f7\u7684\u78c1\u5c4f\u853d\u6548\u7387\u6709\u81f3\u5173\u91cd\u8981\u7684\u73b0\u5b9e\u610f\u4e49\u548c\u4f7f\u7528\u4ef7\u503c\u3002\u4ece\u4e4b\u524d\u7684\u79d1\u5b66\u7814\u7a76\u770b\uff0c\u63d0\u5347\u5c4f\u853d\u6389\u6548\u7387\u7684\u529e\u6cd5\u6709\u5f88\u591a\uff0c\u5982\u540c\u6837\u603b\u9762\u79ef\u4e0b\uff0c\u5b54\u9635\u7684\u5c4f\u853d\u6389\u6548\u7387\u597d\u4e8e\u53cc\u5b54\u7684\u5c4f\u853d\u6389\u6548\u7387\uff0c\u4e24\u5c42\u5b54\u7684\u5c4f\u853d\u6389\u6548\u7387\u597d\u4e8e\u5355\u9762\u7684\u5c4f\u853d\u6389\u6548\u7387\uff0c\u4e5f\u5206\u6790\u4e86\u8bb8\u591a\u8981\u7d20\u5bf9\u5c4f\u853d\u6389\u6548\u7387\u7684\u5371\u5bb3\uff0c\u5982\u5b54\u7684\u5c3a\u5bf8\uff0c\u6837\u5b50\uff0c\u5b54\u95f4\u9694\uff0c\u65e0\u7ebf\u7535\u6ce2\u7535\u6781\u6781\u5316\u65b9\u4f4d\u7b49\u3002\u6587\u4e2d\u5173\u952e\u63a8\u8bba\u51fa\u4e24\u5c42\u8f7d\u5165<u>\u7ebf\u8def\u677f<\/u>\u5c4f\u853d\u6389\u8154\u5c4f\u853d\u6389\u6548\u7387\u516c\u5f0f\u8ba1\u7b97\uff0c\u5e76\u5e94\u7528CST\u6a21\u62df\u4eff\u771f\u8ba4\u8bc1\uff0c\u79d1\u5b66\u7814\u7a76\u7ebf\u8def\u677f\u5c3a\u5bf8\u3001\u90e8\u4f4d\u3001\u603b\u6570\u7b49\u539f\u56e0\u5bf9\u540e\u8154\u5b9a\u4f4d\u70b9\u5c4f\u853d\u6389\u6548\u7387\u7684\u5371\u5bb3\u3002<\/p>\n<p>\n\t1 \u57fa\u7840\u7406\u8bba<\/p>\n<p>\n\t\u5e73\u9762\u6ce2\u7ad6\u76f4\u76f4\u5c04\u4e24\u5c42\u6709\u65b9\u5f62\u5b54\u8f7d\u5165\u7ebf\u8def\u677f\u7684\u5c4f\u853d\u6389\u8154\u7684\u6a21\u677f\u5982\u4e0b\u56fe1\u6240\u663e\u793a\u3002\u4e00\u822c\u72b6\u51b5\u4e0b\uff0c\u7531\u5b54\u7f1d\u85d5\u5408\u8fdb\u5230\u5c4f\u853d\u6389\u8154\u7684\u52a8\u80fd\u8981\u6bd4\u900f\u8fc7\u8154\u4f53\u58c1\u8fdb\u5230\u5c4f\u853d\u6389\u8154\u7684\u52a8\u80fd\u8981\u591a\uff0c\u56e0\u800c\u53ea\u8003\u8651\u5230\u85d5\u5408\u52a8\u80fd\u3002<\/p>\n<p>\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131322-61b9e9f245033.jpg\" \/><\/p>\n<p>\n\t\u6587\u4e2d\u9009\u7528\u539f\u6750\u6599\u4e3a\u94dc\u7684\u4e24\u5c42\u5c4f\u853d\u6389\u8154\u5b9e\u4f53\u6a21\u578b\uff0c\u5206\u524d\u8154\u548c\u540e\u8154\u4e24\u4e00\u90e8\u5206\u3002a ,b \u662f\u5c4f\u853d\u6389\u8154\u7684\u5bbd\u548c\u9ad8\uff0c\u524d\u8154\u957f\u77ed\u4e3ad1 ,\u540e\u8154\u957f\u77ed\u4e3ad2 ;w ,l \u4e3a\u7bb1\u4f53\u4e0a\u6253\u5b54\u7684\u957f\u5ea6\u5bbd\uff1bp \u4e3a\u540e\u8154\u7684\u6838\u5fc3\u89c2\u6d4b\u70b9\uff1bq \u4e3a\u91cc\u5c42\u5b54\u5230<u>PCB\u677f<\/u>\u7684\u95f4\u8ddd\uff1bPCB <u>\u677f\u539a<\/u>\u4e3at\u2032 ;\u7bb1\u4f53\u8584\u539a\u4e3at .<\/p>\n<p>\n\t\u4f9d\u636eM.P.Robinson\u660e\u786e\u63d0\u51fa\u7684\u4f20\u8f93\u7ebf\u7406\u8bba\uff0c\u5b54\u7f1d\u7b49\u6548\u7535\u8def\u4e3a\u4e24\u8fb9\u77ed\u8def\u6545\u969c\u7684\u5171\u9762\u5e26\u6761\u72b6\u540c\u8f74\u7535\u7f06\uff0c\u77e9\u5f62\u6846\u5916\u58f3\u7b49\u6548\u7535\u8def\u4e3a\u7ec8\u7aef\u8bbe\u5907\u77ed\u8def\u6545\u969c\u7684\u5149\u6ce2\u5bfc\u5165\u7684\u3002\u8be5\u5b9e\u4f53\u6a21\u578b\u7b49\u6548\u7535\u8def\u56fe\u5982\u4e0b\u56fe2\u6240\u663e\u793a\u3002<\/p>\n<p>\n\t<img decoding=\"async\" alt=\"\u7528\u4f20\u8f93\u7ebf\u7b49\u6548\u6a21\u578b\u63a8\u51fa\u53cc\u5c42\u52a0\u8f7d\u7535\u8def\u677f\u77e9\u5f62\u8154\u4f53\u5c4f\u853d\u6548\u80fd\u7684\u8ba1\u7b97\u516c\u5f0f\u5e76\u9a8c\u8bc1\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131322-61b9e9f262b39.jpg\" \/><\/p>\n<p>\n\t\u5728\u56fe2\u4e2d\uff0cV0 \u4e3a\u7b49\u6548\u7535\u8def\u653e\u5c04\u6027\u7269\u8d28\uff0cZ0 \u4e3a\u6c14\u4f53\u6ce2\u963b\u6297\uff0c\u7ea6\u4e3a377 \u03a9 ,Zos \u4e3a\u5b54\u7f1d\u7684\u7279\u6027\u963b\u6297\uff0c\u7b49\u6548\u7535\u8def\u77e9\u5f62\u6ce2\u5bfc\u7684\u7279\u6027\u963b\u6297\u548c\u4f20\u64ad\u5e38\u6570\u4e3aZgmn \u548cKgmn .<\/p>\n<p>\n\t\u5b54\u7f1d\u7279\u6027\u963b\u6297\u7531Gupta \u5f97\u51fa\u7684\u516c\u5f0f\u8ba1\u7b97[6]\u5f97\u5230\u5408\u7406\u603b\u5bbd\uff1a<\/p>\n<p>\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131322-61b9e9f27b577.jpg\" \/><\/p>\n<p>\n\t\u901a\u8fc7AB \u4e2d\u95f4\u7684\u540c\u8f74\u7535\u7f06\u540e\uff0c\u7531\u6234\u7ef4\u5357\u5b9a\u7406\u53ef\u83b7\u5f97B \u70b9\u7684\u7b49\u6548\u7535\u8def\u5de5\u4f5c\u7535\u538bV2 \u548c\u7b49\u6548\u7535\u8def\u7279\u6027\u963b\u6297Z2 :<\/p>\n<p>\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131322-61b9e9f29bf1b.jpg\" \/><\/p>\n<p>\n\t\u7ebf\u8def\u677f\u662f\u4e00\u4e2a\u9519\u7efc\u590d\u6742\u7684\u603b\u4f53\uff0c\u5b83\u5305\u542b\u91d1\u5c5e\u6750\u6599\u5e73\u677f\u7535\u8111\u3001\u8f93\u7535\u7ebf\u3001<u>\u7535\u5b50\u5143\u5668\u4ef6<\/u>\u548c\u8017\u635f\u7269\u8d28\u7b49\uff0c\u5728\u8fd9\u91cc\u9009\u7528\u4e00\u5757\u5bfc\u7535\u7387\u4e3a\u03c3 = 0.22 S &#8211; m-1 ,\u76f8\u5bf9\u4ecb\u7535\u5e38\u6570\u4e3a\u03b5r = 2.65 \u7684\u5b8f\u89c2\u7ecf\u6d4e\u7269\u8d28\u677f\u66ff\u4ee3PCB[7-8],\u5176\u7279\u6027\u963b\u6297\u548c\u4f20\u64ad\u5e38\u6570\u4e3aZg \u548cKg .\u5728\u5176\u4e2d\u5f53\u7269\u8d28\u677f\u5c3a\u5bf8\u4e0e\u77e9\u5f62\u6846\u8154\u622a\u9762\u5c3a\u5bf8\u65e0\u7a77\u5927\u65f6\uff0c\u8154\u5185\u78c1\u573a\u5728\u7269\u8d28\u677f\u8868\u5c42\u7684\u53cd\u5c04\u9762\u53ef\u4ee5\u5ffd\u89c6\uff0c\u7531\u4f20\u8f93\u7ebf\u7406\u8bba\u53ef\u83b7\u5f97\u7269\u8d28\u677f\u5de6\u7aef\u5de5\u4f5c\u7535\u538b\u901a\u8fc7\u8584\u539a\u4e3at\u2032 \u7684\u7269\u8d28\u677f\u4f20\u9001\u5230\u677f\u53f3\u8fb9\u7684\u5de5\u4f5c\u7535\u538bV5 \u548c\u7279\u6027\u963b\u6297Z5 \u4e3a[6,8]:<\/p>\n<p>\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131322-61b9e9f2b8c47.jpg\" \/><\/p>\n<p>\n\t\u6bcf\u4e00\u79cd\u65b9\u5f0f\u7684\u6ce2\u5728P \u70b9\u7684\u5de5\u4f5c\u7535\u538b\u4e3a\uff1a<\/p>\n<p>\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131322-61b9e9f2d595b.jpg\" \/><\/p>\n<p>\n\t2 \u6a21\u62df\u4eff\u771f\u7d50\u679c\u5256\u6790<\/p>\n<p>\n\t\u4e3a\u4e86\u66f4\u597d\u5730\u8ba4\u8bc1\u57fa\u7840\u7406\u8bba\u7d50\u679c\u7684\u51c6\u786e\u6027\uff0c\u7528\u7535\u573a\u5f3a\u5ea6\u4e3a1 V &#8211; m-1 \u7684\u5e73\u9762\u56fe\u65e0\u7ebf\u7535\u6ce2\u76f4\u5c04\u8584\u539a\u4e3a1 mm\u7684\u77e9\u5f62\u6846\u5c4f\u853d\u6389\u58f3\uff0c\u7bb1\u4f53\u89c4\u683c\u4e3a300 mm \u00d7 120 mm \u00d7 600 mm ,\u5728\u5176\u4e2d\u524d\u8154\u957f300 mm ,\u540e\u8154\u957f300 mm ,\u5b54\u7f1d\u89c4\u683c\u4e3a80 mm \u00d720 mm ,\u7269\u8d28\u677f\u89c4\u683c\u4e3a300 mm \u00d7 120 mm \u00d7 1 mm ,\u5b89\u88dd\u5728\u95f4\u8ddd\u7b2c\u4e8c\u5c42\u5b54\u7f1d100 mm \u5904\uff0c\u6a21\u62df\u4eff\u771f\u5de5\u4f5c\u9891\u7387\u4e3a200 MHz~1 GHz .<\/p>\n<p>\n\t\u7269\u8d28\u677f\u6838\u5fc3\u4e0e\u6253\u5b54\u6838\u5fc3\u53ca\u5176\u89c2\u6d4b\u70b9\u5728\u4e00\u6761\u5e73\u884c\u7ebf\u4e0a\uff0c\u5f53\u5c4f\u853d\u6389\u8154\u5185\u6709\u7269\u8d28\u677f\u65f6\uff0c\u5165\u5c04\u6ce2\u85d5\u5408\u8fdb\u5230\u7bb1\u4f53\uff0c\u78b0\u5230\u7269\u8d28\u677f\uff0c\u4ea7\u751f\u4ecb\u7535\u635f\u8017\uff0c\u65e0\u7ebf\u7535\u6ce2\u52a8\u80fd\u5173\u952e\u5206\u6210\u4e09\u4e00\u90e8\u5206\uff1a\u4e00\u90e8\u5206\u901a\u8fc7\u7269\u8d28\u677f\u8fdb\u4e00\u6b65\u6563\u64ad\uff0c\u4e00\u90e8\u5206\u53cd\u5c04\u9762\uff0c\u4e5f\u6709\u4e00\u90e8\u5206\u6839\u636e\u7269\u8d28\u677f\u4e0e\u7bb1\u4f53\u7684\u95f4\u9699\u4ea7\u751f\u7ed5\u5c04\uff0c\u7269\u8d28\u677f\u8fd8\u4f1a\u7ee7\u7eed\u6d88\u5316\u5438\u6536\u52a8\u80fd\u3002\u56e0\u4e3a\u65e0\u7ebf\u7535\u6ce2\u7684\u7535\u5b50\u6563\u5c04\u548c\u7ed5\u5c04\uff0c\u5728\u7269\u8d28\u677f\u4ee5\u540e\u7684\u5ba4\u5185\u7a7a\u95f4\u8fd8\u5b58\u6709\u78c1\u573a\u3002<\/p>\n<p>\n\t\u56fe3 \u662f\u9009\u7528\u7b49\u6548\u7535\u8def\u540c\u8f74\u7535\u7f06\u6cd5\u548cCST \u6a21\u62df\u4eff\u771f\u65b9\u5f0f\u5728\u540e\u8154\u5b9a\u4f4d\u70b9\u5c4f\u853d\u6389\u6548\u7387\u7684\u6bd4\u7167\uff0c\u53ef\u4ee5\u770b\u5230\u4e8c\u79cd\u65b9\u5f0f \u7684\u7d50\u679c\u5728\u4f4e\u9891\u7387\u6709\u4e00\u90e8\u5206\u5dee\u522b\uff0c\u4f46\u5728300 MHz\u4e4b\u540e\u4e0d\u9519\u7b26\u5408\u3002\u4e14\u7bb1\u4f53\u5728707 MHz\u53d1\u751f\u4e32\u8054\u8c10\u632f\u72b6\u51b5\u3002<\/p>\n<p>\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131322-61b9e9f2eeb8c.jpg\" \/><\/p>\n<p>\n\t2.1 \u66f4\u6539\u7269\u8d28\u677f\u5c3a\u5bf8\u5bf9\u5c4f\u853d\u6389\u6548\u7387\u7684\u5371\u5bb3<\/p>\n<p>\n\t\u56fe4 \u4e2d\u91cc\u5c42\u5b54\u5230\u8f7d\u5165PCB \u677f\u7684\u95f4\u8dddq=100 mm,\u9009\u7528\u4e09\u79cd\u4e0d\u4e00\u6837\u5c3a\u5bf8\u7684\u7269\u8d28\u677f\uff0c\u5404\u81ea\u4e3a500 mm\u00d710 mm,100 mm\u00d740 mm \u548c200 mm\u00d780 mm.\u53ef\u4ee5\u770b\u5f97\u51fa\uff0c\u5728\u7ed9\u51fa\u5de5\u4f5c\u9891\u7387\u533a\u57df\u5185\uff0c\u7269\u8d28\u677f\u8d8a\u5927\uff0c\u7bb1\u4f53\u5c4f\u853d\u6389\u6548\u7387\u8d8a\u9ad8\uff0c\u8fd9\u662f\u7531\u4e8e\u7269\u8d28\u677f\u8d8a\u5927\uff0c\u5176\u4ecb\u7535\u635f\u8017\u8d8a\u5927\uff0c\u4e32\u8054\u8c10\u632f\u70b9\u7684\u78c1\u573a\u5f3a\u5ea6\u8d8a\u5c0f\uff0c\u5c4f\u853d\u6389\u4f53\u7684\u5c4f\u853d\u6389\u6548\u7387\u8d8a\u5927\u3002<\/p>\n<p>\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131323-61b9e9f3159d1.jpg\" \/><\/p>\n<p>\n\t2.2 \u7269\u8d28\u677f\u4e0e\u7b2c\u4e8c\u5c42\u5b54\u7f1d\u4e2d\u95f4\u7684\u95f4\u8ddd\u5bf9\u5c4f\u853d\u6389\u6548\u7387\u7684\u5371\u5bb3<\/p>\n<p>\n\t\u7269\u8d28\u677f\u89c4\u683c\u4e0d\u4f1a\u6539\u53d8\u4e3a300 mm\u00d7120 mm\u00d71 mm.\u91cc\u5c42\u5b54\u5230\u8f7d\u5165PCB\u677f\u7684\u95f4\u8dddq \u8f6c\u53d8\u3002\u5728\u8fd9\u513fq \u5404\u81ea\u53d650 mm,100 mm \u548c290 mm,\u6700\u7ec8\u548c\u6c92\u6709PCB \u677f\u7684\u60c5\u5f62\u505a\u6bd4\u7167\u3002<\/p>\n<p>\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131323-61b9e9f3318ab.jpg\" \/><\/p>\n<p>\n\t\u7531\u56fe5 \u5f97\u77e5\uff0c\u5728\u7ed9\u51fa\u5de5\u4f5c\u9891\u7387\u533a\u57df\u5185\uff0c\u7269\u8d28\u677f\u79bb\u7b2c\u4e8c\u5c42\u5b54\u7f1d\u8d8a\u6765\u8d8a\u8fdc\uff0c\u5c4f\u853d\u6389\u6548\u7387\u8d8a\u4f4e\u3002\u5f53\u7269\u8d28\u677f\u79bb\u7b2c\u4e8c\u5c42\u5b54\u7f1d50 mm\u7684\u60c5\u51b5\u4e0b\uff0c\u7edd\u5927\u591a\u6570\u85d5\u5408\u573a\u4ea7\u751f\u53cd\u5c04\u9762\uff0c\u85d5\u5408\u51fa\u7bb1\u4f53\uff0c\u56e0\u800c\u7b2c\u4e8c\u5c42\u7bb1\u4f53\u6838\u5fc3\u78c1\u573a\u5f3a\u5ea6\u662f\u6700\u5c11\u7684\uff0c\u5c4f\u853d\u6389\u6548\u7387\u662f\u66f4\u5927\u7684\uff0c\u4f34\u968f\u7740\u95f4\u8ddd\u7684\u6269\u5927\uff0c\u7bb1\u4f53\u6838\u5fc3\u78c1\u573a\u5f3a\u5ea6\u4e5f\u6162\u6162\u6269\u5927\uff0c\u5f53\u63d0\u5347\u5230290 mm\u7684\u60c5\u51b5\u4e0b\uff0c\u7bb1\u4f53\u6838\u5fc3\u78c1\u573a\u5f3a\u5ea6\u505a\u5230\u6700\u9ad8\u503c\uff0c\u4e0e\u65e0\u7269\u8d28\u677f\u65f6\u7684\u78c1\u573a\u5f3a\u5ea6\u8d34\u8fd1\uff0c\u5c4f\u853d\u6389\u6548\u7387\u4e5f\u4e0e\u65e0\u7269\u8d28\u677f\u65f6\u8d34\u8fd1\u3002<\/p>\n<p>\n\t2.3 \u7269\u8d28\u677f\u603b\u6570\u5bf9\u5c4f\u853d\u6389\u6548\u7387\u7684\u5371\u5bb3<\/p>\n<p>\n\t\u7269\u8d28\u677f\u5c3a\u5bf8\u5747\u4e3a300 mm\u00d7120 mm\u00d71 mm,\u5f53\u4ec5\u6709\u4e00\u5757\u7269\u8d28\u677f\u7684\u60c5\u51b5\u4e0b\uff0c\u7f6e\u653e\u5728\u8ddd\u7b2c\u4e8c\u5c42\u5b54\u7f1d100 mm \u7684\u5730\u533a\uff0c\u5373\u56fe1 \u4e2dq=100 mm \u7684\u5730\u533a\uff1b\u5f53\u6709\u4e8c\u5757\u7269\u8d28\u677f\u7684\u60c5\u51b5\u4e0b\uff0c\u7f6e\u653e\u5728\u95f4\u8ddd\u7b2c\u4e8c\u5c42\u5b54\u7f1d50 mm \u548c100 mm \u7684\u5730\u533a\uff0c\u5373\u56fe1 \u4e2dq=50 mm \u548cq=100 mm \u7684\u5730\u533a\uff0c\u5f53\u6709\u4e09\u5757\u7269\u8d28\u677f\u7684\u60c5\u51b5\u4e0b\uff0c\u7f6e\u653e\u5728\u95f4\u8ddd\u7b2c\u4e8c\u5c42\u5b54\u7f1d50 mm,100 mm \u548c150 mm \u7684\u5730\u533a\uff0c\u5373\u56fe1 \u4e2dq=50 mm,q=100 mm \u548cq=150 mm\u7684\u5730\u533a\u3002\u6a21\u62df\u4eff\u771f\u7d50\u679c\u5982\u4e0b\u56fe6\u6240\u663e\u793a\u3002<\/p>\n<p>\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131323-61b9e9f34a14a.jpg\" \/><\/p>\n<p>\n\t\u7531\u56fe6 \u53ef\u4ee5\u770b\u5f97\u51fa\uff0c\u4f34\u968f\u7740\u7269\u8d28\u677f\u603b\u6570\u7684\u63d0\u5347\uff0c\u7bb1\u4f53\u6838\u5fc3\u90e8\u4f4d\u7684\u5c4f\u853d\u6389\u6548\u7387\u6709\u6240\u589e\u52a0\u3002<\/p>\n<p>\n\t2.4 \u7269\u8d28\u677f\u4e0d\u4e00\u6837\u7f6e\u653e\u65b9\u6cd5\u5bf9\u5c4f\u853d\u6389\u6548\u7387\u7684\u5371\u5bb3<\/p>\n<p>\n\t\u7269\u8d28\u677f\u5c3a\u5bf8\u4e0d\u4f1a\u6539\u53d8\uff0c\u4ee5\u4e0b\u8fb9\u4e09\u79cd\u4e0d\u4e00\u6837\u7684\u65b9\u6cd5\u7f6e\u653e\uff1a\u4e0e\u7b2c\u4e8c\u5c42\u5b54\u7f1d\u5e73\u884c\u9762\uff0c\u7f6e\u653e\u5728\u95f4\u8ddd\u5730\u4e8c\u5c42\u5b54\u7f1d100 mm\u7684\u90e8\u4f4d\uff1b\u4e0e\u4fa7\u8fb9\u5e73\u884c\u9762\uff0c\u7f6e\u653e\u5728\u5782\u76f4\u5e73\u5206\u5b54\u7f1d\u957f\u8fb9\u4e2d\u95f4\u7684\u90e8\u4f4d\uff1b\u4e0e\u8def\u9762\u5e73\u884c\u9762\uff0c\u7f6e\u653e\u5728\u5782\u76f4\u5e73\u5206\u5b54\u7f1d\u957f\u8fb9\u4e2d\u95f4\u7684\u90e8\u4f4d\u3002\u4e09\u79cd\u7f6e\u653e\u65b9\u6cd5\u7532\u56fe7\u6240\u663e\u793a\u3002<\/p>\n<p>\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131323-61b9e9f363a0a.jpg\" \/><\/p>\n<p>\n\t\u4e09\u79cd\u72b6\u51b5\u6a21\u62df\u4eff\u771f\u7d50\u679c\u5982\u4e0b\u56fe8\u6240\u663e\u793a\u3002<\/p>\n<p>\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131323-61b9e9f37d8ab.jpg\" \/><\/p>\n<p>\n\t\u7531\u56fe8\u5f97\u77e5\uff0c\u7269\u8d28\u677f\u5e73\u884c\u9762\u4e0e\u8def\u9762\u7f6e\u653e\u65f6\u5c4f\u853d\u6389\u6548\u7387\u6700\u70c2\uff0c\u522b\u7684\u4e8c\u79cd\u7f6e\u653e\u65b9\u6cd5\u5bf9\u5c4f\u853d\u6389\u6548\u7387\u5371\u5bb3\u5e76\u4e0d\u5927\u3002<\/p>\n<p>\n\t3 \u8f7d\u5165\u96c6\u6210\u5316\u8ba1\u7b97\u53d8\u5927\u7ebf\u8def\u677f\u5bf9\u5c4f\u853d\u6389\u6548\u7387\u7684\u5371\u5bb3<\/p>\n<p>\n\t\u5177\u4f53\u7684pcb\u7535\u8def\u677f\u548c\u7b49\u6548\u7535\u8def\u7684\u5b8f\u89c2\u7ecf\u6d4e\u7269\u8d28\u677f\u6216\u662f\u5177\u6709\u4e00\u5b9a\u7684\u5dee\u522b\uff0c\u5728\u8fd9\u513f\uff0c\u5c06\u5b8f\u89c2\u7ecf\u6d4e\u7269\u8d28\u677f\u66f4\u6362\u4e3a\u96c6\u6210\u5316\u8ba1\u7b97\u53d8\u5927\u7ebf\u8def\u677f\uff0c\u5982\u4e0b\u56fe9\u6240\u663e\u793a\u3002<\/p>\n<p>\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131323-61b9e9f394b75.jpg\" \/><\/p>\n<p>\n\t\u6bd4\u7167\u7269\u8d28\u677f\u548c\u7ebf\u8def\u677f\u5728\u5c4f\u853d\u6389\u8154\u4e2d\u5bf9\u5c4f\u853d\u6389\u6548\u7387\u7684\u5371\u5bb3\uff0c\u8bbe\u5b9a\u7269\u8d28\u677f\u5c3a\u5bf8\u4e0e\u7ebf\u8def\u677f\u540c\u6837\uff0c\u5747\u4e3a75.59 mm\u00d725.69 mm\u00d70.711 2 mm,\u5747\u5c06\u5b9e\u4f53\u6a21\u578b\u7f6e\u653e\u5728\u5c4f\u853d\u6389\u8154\u540e\u8154\u6838\u5fc3\u8dddz \u8f74\u8d77\u70b9-99.288 8 mm \u7684\u90e8\u4f4d\uff0c\u8fd9\u91cc\u7269\u8d28\u677f\u4e3a\u524d\u8fb9\u63d0\u53ca\u7684\u5bfc\u7535\u7387\u4e3a\u03c3 = 0.22 S &#8211; m-1 \u76f8\u5bf9\u4ecb\u7535\u5e38\u6570\u4e3a\u03b5r = 2.65 \u7684\u5b8f\u89c2\u7ecf\u6d4e\u7269\u8d28\u677f\uff0cpcb\u7535\u8def\u677f\u9009\u7528\u56fe9\u6240\u663e\u793a\u7684\u8f7d\u5165\u96c6\u6210\u5316\u8ba1\u7b97\u8fd0\u7b97\u653e\u5927\u5668\u7684\u7ebf\u8def\u677f\u3002\u5e94\u7528CST,\u5c06\u7ebf\u8def\u677f\u7684PCB\u5b9e\u4f53\u6a21\u578b\u5bfc\u5230CST\u7684\u5fae\u6ce2\u52a0\u70ed\u4e2a\u4eba\u5de5\u4f5c\u5ba4\u4e2d\uff0c\u901a\u8fc7\u6a21\u62df\u4eff\u771f\u540e\uff0c\u5176\u7d50\u679c\u5982\u4e0b\u56fe10\u6240\u663e\u793a\u3002<\/p>\n<p>\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131323-61b9e9f3ab4db.jpg\" \/><\/p>\n<p>\n\t\u7531\u56fe10 \u5f97\u77e5\uff0c\u5728\u5c3a\u5bf8\u3001\u8584\u539a\u3001\u7f6e\u653e\u90e8\u4f4d\u540c\u6837\u7684\u60c5\u5f62\u4e0b\uff0c\u5b8f\u89c2\u7ecf\u6d4e\u7269\u8d28\u677f\u548cpcb\u7535\u8def\u677f\u83b7\u5f97\u7684\u5c4f\u853d\u6389\u6548\u7387\u76f8\u8ddd\u5e76\u4e0d\u5927\uff0c\u5373\u7528\u5b8f\u89c2\u7ecf\u6d4e\u7269\u8d28\u677f\u7b49\u6548\u7535\u8def\u53d6\u4ee3pcb\u7535\u8def\u677f\u504f\u5dee\u8f83\u5c0f\u3002<\/p>\n<p>\n\t\u8f7d\u5165pcb\u7535\u8def\u677f\u540e\u7bb1\u4f53\u5c4f\u853d\u6389\u6548\u7387\u5177\u4f53\u8868\u73b0\u5728\u7ebf\u8def\u677f\u8868\u5c42\u7535\u573a\u5f3a\u5ea6\u7684\u53d8\u52a8\u548c\u8868\u5c42\u7535\u6d41\u91cf\u7684\u4e0d\u4e00\u6837\uff0c\u6839\u636eCST\u6a21\u62df\u4eff\u771f\uff0c\u83b7\u5f97\u4ee5\u4e0b\u7d50\u679c\u3002<\/p>\n<p>\n\t3.1 \u7ebf\u8def\u677f\u8868\u5c42\u9759\u7535\u573a<\/p>\n<p>\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131323-61b9e9f3c69ef.jpg\" \/><\/p>\n<p>\n\t\u4ece\u7531\u56fe11 \u548c\u56fe12 \u5f97\u77e5\uff0c\u65e0\u5c4f\u853d\u6389\u65f6\u8f83\u5927\u78c1\u573a\u5f3a\u5ea6\u4e3a11.070 7 V\u00b7m-1 ,\u6709\u5c4f\u853d\u6389\u65f6\u8f83\u5927\u78c1\u573a\u5f3a\u5ea6\u4e3a0.164 V\u00b7m-1 ,\u7531\u6b64\u53ef\u89c1\u5c4f\u853d\u6389\u8154\u5bf9\u7ebf\u8def\u677f\u5177\u6709\u4e86\u8f83\u597d\u7684\u5c4f\u853d\u6389\u5b9e\u9645\u6548\u679c\u3002\u800c\u4e14\u95f4\u9694\u8f83\u8fd1\u7684\u8f93\u7535\u7ebf\u4e2d\u95f4\u975e\u5e38\u5bb9\u6613\u9020\u6210\u9ad8\u78c1\u573a\u5f3a\u5ea6\uff0c\u8981\u662f\u6ca1\u6709\u5c4f\u853d\u6389\uff0c\u53ef\u80fd\u9020\u6210\u7ebf\u8def\u677f\u7684\u5e38\u89c4\u5de5\u4f5c\u4e2d\uff0c\u6bd4\u8f83\u4e25\u91cd\u65f6\u9020\u6210\u6bc1\u574f\u3002<\/p>\n<p>\n\t3.2 \u7ebf\u8def\u677f\u8868\u5c42\u7535\u6d41\u91cf<\/p>\n<p>\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131323-61b9e9f3dfe4f.jpg\" \/><\/p>\n<p>\n\t\u5728\u56fe13 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