{"id":2801,"date":"2019-09-11T07:16:53","date_gmt":"2019-09-11T07:16:53","guid":{"rendered":""},"modified":"2019-09-11T15:17:20","modified_gmt":"2019-09-11T07:17:20","slug":"%e5%a6%82%e4%bd%95%e6%8f%90%e9%ab%98%e7%94%b5%e5%ad%90%e8%ae%be%e5%a4%87%e7%9a%84emc%e6%80%a7%e8%83%bd%e5%92%8c%e6%8a%97%e5%b9%b2%e6%89%b0%e8%83%bd%e5%8a%9b","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2801","title":{"rendered":"\u5982\u4f55\u63d0\u9ad8\u7535\u5b50\u8bbe\u5907\u7684EMC\u6027\u80fd\u548c\u6297\u5e72\u6270\u80fd\u529b"},"content":{"rendered":"

\n\t1 \u7535\u78c1\u5e72\u6270\u57fa\u672c\u6982\u5ff5<\/span><\/p>\n

\n\t\u5728\u590d\u6742\u7684\u7535\u78c1\u73af\u5883\u4e2d\uff0c\u4efb\u4f55\u7535\u5b50\u53ca\u7535\u6c14\u4ea7\u54c1\u9664\u4e86\u672c\u8eab\u80fd\u591f\u627f\u53d7\u4e00\u5b9a\u7684\u5916\u6765\u7535\u78c1\u5e72\u6270\uff08Electrom<\/u>agneti<\/u>c Inte<\/u>rf<\/u>erence\uff0cEMI<\/u>\uff09\u800c\u4fdd\u6301\u6b63\u5e38\u5de5\u4f5c\u5916\uff0c\u8fd8\u4e0d\u4f1a\u5bf9\u5176\u4ed6\u7535\u5b50\u53ca\u7535\u6c14\u8bbe\u5907\u4ea7\u751f\u4e0d\u53ef\u627f\u53d7\u7684\u7535\u78c1\u5e72\u6270\uff0c\u8be5\u4ea7\u54c1\u5373\u5177\u6709\u7535\u78c1\u517c\u5bb9\u6027\uff08Electromagnetic Compatibility\uff0cEMC<\/u>\uff09\uff3b1\uff3d\u3002<\/p>\n

\n\t <\/div>\n

\n\t21\u4e16\u7eaa\u5c06\u662f\u4fe1\u606f\u7206\u70b8\u7684\u65f6\u4ee3\uff0c\u4fe1\u606f\u7684\u4ea7\u751f\u3001\u4f20\u9012\u3001\u63a5\u6536\u3001\u5904\u7406\u548c\u50a8\u5b58\u7b49\u90fd\u9700\u8981\u4f9d\u8d56\u7535\u78c1\u6ce2\u4f5c\u4e3a\u8f7d\u4f53\u3002\u5e7f\u4e49\u5730\u8bf4\uff0c\u58f0\u6ce2\u3001\u65e0\u7ebf\u7535\u6ce2\u3001\u5149\u6ce2\u5747\u53ef\u4f5c\u4e3a\u4fe1\u606f\u8f7d\u4f53\uff0c\u56e0\u6b64\uff0c\u5e7f\u4e49\u7684\u7535\u78c1\u517c\u5bb9\u6027\u6982\u5ff5\u4e5f\u5e94\u62d3\u5c55\u5230\u58f0\u3001\u5149\u3001\u7535\u7684\u5e7f\u9614\u9886\u57df\u3002<\/p>\n

\n\t\u7535\u5b50\u53ca\u7535\u6c14\u4ea7\u54c1\u7684\u7535\u78c1\u5e72\u6270\u53d1\u5c04\u6216\u53d7\u5230\u7535\u78c1\u5e72\u6270\u7684\u4fb5\u5bb3\u90fd\u662f\u901a\u8fc7\u4ea7\u54c1\u7684\u5916\u58f3\u3001\u4ea4\uff0f\u76f4\u6d41\u7535\u6e90\u7aef\u53e3\u3001\u4fe1\u53f7\u7ebf<\/u>\u3001\u63a7\u5236\u7ebf\u53ca\u5730\u7ebf\u800c\u5f62\u6210\u7684\u3002\u6309\u7167\uff25\uff2d\uff29\u7684\u4f20\u64ad\u65b9\u5f0f\uff0c\u53ef\u5c06\u5176\u5206\u4e3a\u7535\u78c1\u8f90\u5c04\u5e72\u6270\u548c\u7535\u78c1\u4f20\u5bfc\u5e72\u6270\u4e24\u5927\u7c7b\u3002\u901a\u5e38\uff0c\u8f90\u5c04\u5e72\u6270\u51fa\u73b0\u5728\u4ea7\u54c1\u5468\u56f4\u7684\u5a92\u4f53\u4e2d\uff0c\u4f20\u5bfc\u5e72\u6270\u5219\u51fa\u73b0\u5728\u5404\u79cd\u5bfc\u4f53\u4e2d\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u901a\u8fc7\u5916\u58f3\u53d1\u5c04\u7684\u7535\u78c1\u5e72\u6270\uff0c\u6216\u901a\u8fc7\u5916\u58f3\u4fb5\u5165\u7684\u5e72\u6270\u90fd\u662f\u8f90\u5c04\u5e72\u6270\uff0c\u800c\u901a\u8fc7\u5176\u5b83\u5bfc\u4f53\u53d1\u5c04\u548c\u5165\u4fb5\u7684\u5e72\u6270\u5c5e\u4e8e\u4f20\u5bfc\u5e72\u6270\u3002<\/p>\n

\n\t2 \u4eba\u7c7b\u5fc5\u987b\u5173\u6ce8\u7535\u78c1\u517c\u5bb9\u95ee\u9898<\/p>\n

\n\t2.1 \u7535\u78c1\u73af\u5883\u4e0d\u65ad\u6076\u5316<\/p>\n

\n\t20\u4e16\u7eaa\u4e2d\u53f6\u4ee5\u6765\uff0c\u7535\u5b50\u6280\u672f\u7684\u8fc5\u731b\u53d1\u5c55\uff0c\u4f7f\u4eba\u7c7b\u793e\u4f1a\u7684\u8fdb\u6b65\u548c\u6587\u660e\u4e0a\u4e86\u4e00\u4e2a\u65b0\u7684\u53f0\u9636\uff0c\u4f46\u662f\u4e5f\u7ed9\u4eba\u4eec\u5e26\u6765\u4e86\u4e00\u7cfb\u5217\u793e\u4f1a\u95ee\u9898\u548c\u73af\u5883\u95ee\u9898\u3002\u5bb6\u7528\u7535\u5668\u3001\u901a\u4fe1\u3001\u8ba1\u7b97\u673a<\/u>\u53ca\u4fe1\u606f\u8bbe\u5907\u3001\u7535\u52a8\u5de5\u5177\u3001\u822a\u7a7a\u3001\u822a\u5929\u7b49\u5de5\u4e1a\u3001\u79d1\u6280\u3001\u533b\u5b66\u7b49\u5404\u4e2a\u9886\u57df\u7684\u81ea\u52a8\u63a7\u5236\u3001\u6d4b\u91cf<\/u>\u4eea\u5668\u4ee5\u53ca\u7535\u529b\u7535\u5b50\u7cfb\u7edf\u7b49\u7684\u5e7f\u6cdb\u666e\u53ca\u3001\u5e94\u7528\uff0c\u6df1\u5165\u5343\u5bb6\u4e07\u6237\u4e4b\u4e2d\uff0c\u4f7f\u5f97\u7535\u78c1\u6c61\u67d3<\/u>\u95ee\u9898\u65e5\u76ca\u7a81\u51fa\uff0c\u800c\u7535\u5b50\u8bbe\u5907\u7684\u9ad8\u9891\u5316\u3001\u6570\u5b57\u5316\uff0c\u5e72\u6270\u4fe1\u53f7\u7684\u80fd\u91cf\u5bc6\u5ea6\u589e\u5927\uff0c\u4f7f\u6709\u9650\u7a7a\u95f4\u5185\u7684\u7535\u78c1\u73af\u5883\u66f4\u4e3a\u6076\u5316\u3002<\/p>\n

\n\t1996\u5e743\u6708\uff0c\u65e5\u672cSAPI<\/u>O\u6742\u5fd7\u516c\u5e03\u4e86\u65e5\u672c\u5bb6\u7528\u7535\u5668\u7535\u78c1\u8f90\u5c04\u7684\u68c0\u6d4b\u7ed3\u679c\uff08\u88681\uff09\u3002\u745e\u5178\u7b49\u5317\u6b27\u4e09\u56fd\u4e8e1993\u5e74\u6240\u4f5c\u7684\u8054\u5408\u8c03\u67e5\u6307\u51fa\uff1a\u4eba\u7c7b\u957f\u671f\u53d7\u52302mG\uff08\u6beb\u9ad8\u65af\uff09\u4ee5\u4e0a\u7684\u7535\u78c1\u8f90\u5c04\u5f71\u54cd\uff0c\u60a3\u767d\u8840\u75c5\u7684\u673a\u4f1a\u662f\u6b63\u5e38\u4eba\u76842.1\u500d\uff0c\u60a3\u8111\u80bf\u7624\u7684\u673a\u4f1a\u662f\u6b63\u5e38\u4eba\u76841.5\u500d\uff0c\u5176\u4ed6\u75be\u75c5\u7684\u53d1\u75c5\u6982\u7387\u4e5f\u660e\u663e\u589e\u52a0\u3002<\/p>\n

\n\t\u8868\uff11 \u5bb6\u7528\u7535\u5668\u7535\u78c1\u8f90\u5c04\u68c0\u6d4b\u7ed3\u679c\uff08\u5355\u4f4d\uff1amG\uff09\uff3b2\uff3d<\/p>\n

\n\t
\n\t\"\u5982\u4f55\u63d0\u9ad8\u7535\u5b50\u8bbe\u5907\u7684EMC\u6027\u80fd\u548c\u6297\u5e72\u6270\u80fd\u529b\"
\n\t <\/p>\n

\n\t2.2 \u7535\u78c1\u6c61\u67d3\u5371\u5bb3\u4e0d\u6d45<\/p>\n

\n\t\u7535\u78c1\u5e72\u6270\u548c\u6c61\u67d3\u770b\u4e0d\u89c1\u3001\u6478\u4e0d\u7740\u3001\u542c\u4e0d\u5230\uff0c\u56e0\u5176\u65e0\u8272\u3001\u65e0\u5473\u4e5f\u65e0\u5f62\uff0c\u4f46\u5b83\u786e\u5b9e\u65e0\u5904\u4e0d\u5728\u3001\u5371\u5bb3\u4e0d\u6d45\uff0c\u5a01\u80c1\u4eba\u4f53\u5065\u5eb7\u3002\u5fb7\u56fd\u4e13\u5bb6\u6307\u51fa\uff0c\u7535\u78c1\u6c61\u67d3\u80fd\u5f71\u54cd\u5bf9\u4eba\u4f53\u751f\u7269\u949f\u8d77\u4f5c\u7528\u7684\u6fc0\u7d20\u548c\u4f20\u8fbe\u795e\u7ecf\u4fe1\u606f\u7684\u6fc0\u7d20\uff0c\u8fd8\u80fd\u7834\u574f\u7ec6\u80de\u819c\uff1b\u7f8e\u56fd\u79d1\u5b66\u5bb6\u7684\u7814\u7a76\u8868\u660e\uff0c\u7535\u78c1\u6c61\u67d3\u53ef\u76f4\u63a5\u6740\u4f24\u4eba\u4f53\u7ec6\u80deDNA\uff0c\u4fc3\u4f7f\u57fa\u56e0\u7a81\u53d8\u800c\u81f4\u764c\uff1b\u82f1\u56fd\u66fc\u5f7b\u65af\u7279\u5927\u5b66\u7684\u7814\u7a76\u8868\u660e\uff0c\u5973\u6027\u6bcf\u5929\u64cd\u4f5c\u7535\u81116\u5c0f\u65f6\uff0c\u5176\u5185\u5206\u6ccc\u4f1a\u53d1\u751f\u7d0a\u4e71\uff0c\u8fde\u7eed\u64cd\u4f5c\u7535\u81114\u5c0f\u65f6\uff0c\u4f1a\u4f7f\u89c6\u529b\u4e0b\u964d\u3001\u8fd1\u89c6\uff1b\u52a0\u62ff\u5927\u6e25\u592a\u534e\u603b\u533b\u9662\uff18\u540d\u4ece\u4e8b\u7535\u89c6\u5c4f\u7ec8\u7aef\u64cd\u4f5c\u7684\u5987\u5973\u7adf\u67097\u4eba\u6b21\u6000\u4e0a\u7578\u5f62\u80ce\u513f\u3002\u524d\u82cf\u8054\u56fd\u9645\u8c61\u68cb\u7279\u7ea7\u5927\u5e08\u5c3c\u53e4\u62c9\u4e0e\u4e00\u53f0\u8d85\u7ea7\u7535\u8111\u4e0b\u68cb\u65f6\uff0c\u8fde\u80dc\u4e09\u5c40\u540e\u7a81\u7136\u6b7b\u4ea1\uff0c\u5176\u6740\u624b\u5c31\u662f\u7535\u8111\u53d1\u5c04\u7684\u7535\u78c1\u6ce2\u30021989\u5e74\uff0c\u65e5\u672c\u4e00\u5bb6\u5de5\u5382\u53d1\u751f\u4e86\u673a\u5668\u4eba\u5c06\u4e00\u540d\u7ef4\u4fee\u5de5\u5f3a\u884c\u585e\u5165\u673a\u5668\u4e2d\u7ede\u6b7b\u7684\u4e8b\u6545\uff0c\u8c03\u67e5\u8bc1\u5b9e\u662f\u7535\u78c1\u5e72\u6270\u4fe1\u53f7\u66f4\u6539\u4e86\u673a\u5668\u4eba\u7684\u7a0b\u5e8f\u6240\u81f4\u3002\u4eca\u5e74\u6211\u56fd\u5c71\u897f\u4e00\u540d\u65c5\u5ba2\u5728\u98de\u673a\u5373\u5c06\u5728\u5317\u4eac\u673a\u573a\u964d\u843d\u65f6\u4f7f\u7528“\u5927\u54e5\u5927”\uff0c\u5bfc\u81f4\u98de\u673a\u504f\u822a\u800c\u88ab\u5224\u5211\u5e76\u5904\u7f5a\u6b3e\uff0c\u53ef\u89c1\u7535\u78c1\u6c61\u67d3\u5c31\u5728\u4f60\u6211\u8eab\u8fb9\u3002<\/p>\n

\n\t2.3 EMC\u95ee\u9898\u6b63\u5728\u89c4\u8303\u5316<\/p>\n

\n\tEMC\u95ee\u9898\uff0c\u5b9e\u9645\u4e0a\u662f\u7535\u5b50\u3001\u7535\u6c14\u8bbe\u5907\u548c\u7cfb\u7edf\u7684\u5e72\u6270\u548c\u6297\u5e72\u6270\u95ee\u9898\u3002\u4e00\u65b9\u9762\uff0c\u7535\u5b50\u8bbe\u5907\u548c\u7cfb\u7edf\u672c\u8eab\u6297EMI\u80fd\u529b\u8981\u8fbe\u5230\u4e00\u5b9a\u7684\u6807\u51c6\uff0c\u53e6\u4e00\u65b9\u9762\uff0c\u5b83\u5bf9\u5468\u8fb9\u7684EMI\u5fc5\u987b\u9650\u5236\u5728\u4e00\u5b9a\u7a0b\u5ea6\u3002\u65e9\u572850\u5e74\u4ee3\uff0c\u7f8e\u56fd\u519b\u65b9\u9996\u5148\u7814\u7a76\u3001\u5236\u5b9a\u4e86\u4e00\u4e9bEMC\u6807\u51c6\uff0c\u7ecf<\/p>\n

\n\t\u8fc7\u4e8c\u5341\u591a\u5e74\u7684\u5927\u91cf\u7814\u7a76\uff0c\u523080\u5e74\u4ee3\u5df2\u5f62\u6210\u519b\u7528MIL\uff0dF\uff0d15773\u65e0\u7ebf\u7535\u5e72\u6270\u603b\u89c4\u8303\u548c\u6c11\u7528FCC\u6807\u51c6\u4e24\u5927\u7cfb\u5217\uff1b\u5fb7\u56fd\u5236\u5b9a\u4e86VDE\u6807\u51c6\uff0c\u5e76\u88ab\u4f5c\u4e3a\u6b27\u6d32\u5171\u540c\u4f53EMC\u6807\u51c6\u7684\u57fa\u7840\uff0c1993\u5e74\u5df2\u5f00\u59cb\u5f3a\u5236\u6267\u884c\uff1b\u65e5\u672c\u548c\u524d\u82cf\u8054\u4e5f\u76f8\u7ee7\u5236\u8ba2\u4e86\u5404\u81ea\u7684EMC\u6807\u51c6\uff1b\u97e9\u56fd\u4ece1993\u5e74\u5f00\u59cb\u6267\u884cEMC\u56fd\u9645\u6807\u51c6\u3002\u6211\u56fd\u4e8e1998\u5e74\u8d77\u63a8\u884cEMC\u6807\u51c6\uff08\u5df2\u53d1\u5e0347\u4e2a\uff09\uff0c\u5e76\u4ece2000\u5e74\uff11\u67081\u65e5\u8d77\u5f3a\u5236\u6267\u884c\u3002\u5c4a\u65f6\u8fbe\u4e0d\u5230EMC\u6807\u51c6\u7684\u7535\u5b50\u4ea7\u54c1\u5305\u62ec\u5bb6\u7528\u7535\u5668\u5c06\u4e0d\u51c6\u751f\u4ea7\u548c\u9500\u552e\uff0c\u5f53\u7136\u66f4\u65e0\u6cd5\u8fdb\u5165\u6b27\u7f8e\u7b49\u56fd\u9645\u5e02\u573a\u3002<\/p>\n

\n\t2.4 \u4fe1\u606f\u5b89\u5168\u4e0d\u53ef\u5ffd\u89c6<\/p>\n

\n\t\u4fe1\u606f\u7535\u5b50\u6218\u5c06\u6210\u4e3a21\u4e16\u7eaa\u9ad8\u6280\u672f\u6218\u4e89\u7684\u4e3b\u8981\u5185\u5bb9\u4e4b\u4e00\u3002\u4e00\u65b9\u9762\uff0c\u519b\u4e8b\u7535\u5b50\u88c5\u5907\u548c\u4f5c\u6218\u6b66\u5668\u5e73\u53f0\u5fc5\u987b\u5177\u6709\u5f3a\u6709\u529b\u7684\u6297\u5e72\u6270\u6027\u80fd\u548c\u9690\u8eab\u6027\u80fd\uff1b\u53e6\u4e00\u65b9\u9762\uff0c\u81ea\u8eab\u7684\u4fe1\u53f7\u8f90\u5c04\u3001\u6cc4\u6f0f\u5e94\u5c3d\u53ef\u80fd\u964d\u4f4e\uff0c\u4ee5\u4fdd\u8bc1\u519b\u4e8b\u4fe1\u606f\u7684\u5b89\u5168\u6027\u3002<\/p>\n

\n\t\u6b64\u5916\uff0c\u968f\u7740\u7ecf\u6d4e\u5168\u7403\u5316\u8fdb\u7a0b\u7684\u52a0\u901f\uff0c\u5927\u81f3\u4e00\u4e2a\u56fd\u5bb6\uff0c\u5c0f\u81f3\u4e00\u4e2a\u4f01\u4e1a\uff0c\u7ecf\u6d4e\u4fe1\u606f\u7684\u5b89\u5168\u6027\u4e5f\u5df2\u7ecf\u63d0\u9ad8\u5230\u5341\u5206\u91cd\u8981\u7684\u5730\u4f4d\u3002\u5c24\u5176\u662f\u8d22\u653f\u3001\u91d1\u878d\u3001\u8ba1\u5212\u7b49\u8981\u5bb3\u90e8\u95e8\u66f4\u662f\u5982\u6b64\u3002<\/p>\n

\n\t\u4e3a\u4e86\u6539\u5584\u4eba\u7c7b\u7684\u751f\u6d3b\u73af\u5883\u3001\u63d0\u9ad8\u4eba\u4eec\u7684\u751f\u5b58\u8d28\u91cf\u3001\u53d1\u5c55\u7ecf\u6d4e\u3001\u6269\u5927\u51fa\u53e3\u3001\u589e\u5f3a\u7efc\u5408\u56fd\u529b\u3001\u5b9e\u73b0\u79d1\u6280\u5f3a\u519b\uff0c\u6211\u4eec\u90fd\u5e94\u5f53\u5341\u5206\u5173\u6ce8EMC\u95ee\u9898\u3002<\/p>\n

\n\t3 EMI\u6291\u5236\u6280\u672f\u7684\u4e3b\u8981\u5185\u5bb9\uff3b3\uff3d<\/p>\n

\n\t3.1 \u6297EMI\u7cfb\u7edf\u8bbe\u8ba1\u6280\u672f<\/p>\n

\n\t\u6297EMI\u7cfb\u7edf\u8bbe\u8ba1\u6280\u672f\u662f\u63d0\u9ad8\u7535\u5b50\u6574\u673aEMC\u6027\u80fd\u7684\u5173\u952e\u6240\u5728\u3002\u56e0\u6b64\u8be5\u6280\u672f\u53c8\u79f0\u4e3aEMC\u8bbe\u8ba1\u6280\u672f\u3002<\/p>\n

\n\tEMC\u8bbe\u8ba1\u7684\u76ee\u7684\u662f\u4f7f\u7535\u5b50\u3001\u7535\u6c14\u4ea7\u54c1\u5728\u4e00\u5b9a\u7684\u7535\u78c1\u73af\u5883\u4e2d\u80fd\u6b63\u5e38\u5de5\u4f5c\uff0c\u65e2\u6ee1\u8db3\u6807\u51c6\u89c4\u5b9a\u7684\u6297\u5e72\u6270\u6781\u9650\u503c\u8981\u6c42\uff0c\u5728\u53d7\u5230\u4e00\u5b9a\u7684\u7535\u78c1\u5e72\u6270\u65f6\uff0c\u65e0\u6027\u80fd\u964d\u7ea7\u6216\u6545\u969c\uff1b\u53c8\u6ee1\u8db3\u6807\u51c6\u89c4\u5b9a\u7684\u7535\u78c1\u8f90\u5c04\u6781\u9650\u503c\u8981\u6c42\uff0c\u5bf9\u7535\u78c1\u73af\u5883\u4e0d\u6784\u6210\u6c61\u67d3\u6e90\u3002\u56e0\u6b64\uff0cEMC\u662f\u4ea7\u54c1\u7684\u91cd\u8981\u6027\u80fd\u4e4b\u4e00\uff0c\u4e5f\u662f\u5b9e\u73b0\u4ea7\u54c1\u6548\u80fd\u7684\u91cd\u8981\u4fdd\u8bc1\u3002<\/p>\n

\n\tEMC\u8bbe\u8ba1\u8981\u4ece\u5206\u6790\u4ea7\u54c1\u9884\u671f\u7684\u7535\u78c1\u73af\u5883\u3001\u5e72\u6270\u6e90\u3001\u8026\u5408<\/u>\u9014\u5f84\u548c\u654f\u611f\u90e8\u4ef6\u5165\u624b\uff0c\u91c7\u7528\u76f8\u5e94\u7684\u6280\u672f\u63aa\u65bd\uff0c\u6291\u5236\u5e72\u6270\u6e90\u3001\u5207\u65ad\u6216\u524a\u5f31\u8026\u5408\u9014\u5f84\uff0c\u589e\u5f3a\u654f\u611f\u90e8\u4ef6\u7684\u6297\u5e72\u6270\u80fd\u529b\u7b49\u3002\u5e76\u8fdb\u884c\u8ba1\u7b97\u673a\u4eff\u771f\u548c\u6d4b\u8bd5<\/u>\u9a8c\u8bc1\u3002<\/p>\n

\n\tEMC\u8bbe\u8ba1\u6280\u672f\u5305\u62ec\u7cfb\u7edf\u8bbe\u8ba1\u3001\u7ed3\u6784\u8bbe\u8ba1\u3001\u6750\u6599\u548c\u5143\u5668\u4ef6<\/u>\u7684\u9009\u53d6\u4ee5\u53ca\u6297EMI\u5143\u5668\u4ef6\u7684\u4f7f\u7528\u7b49\u3002\u5176\u4e2d\u6709\u6e90\u5668\u4ef6\u7684\u9009\u7528\u5341\u5206\u5173\u952e\u3002<\/p>\n

\n\tEMC\u8bbe\u8ba1\u6280\u672f\u5728\u4ea7\u54c1\u8bbe\u8ba1\u7684\u521d\u7ea7\u9636\u6bb5\u5c31\u5e94\u5341\u5206\u91cd\u89c6\uff0c\u5c3d\u53ef\u80fd\u628a80%\uff5e90%\u4ee5\u4e0a\u7684\u95ee\u9898\u89e3\u51b3\u5728\u521d\u7ea7\u9636\u6bb5\u3002\u4e00\u65e6\u4ea7\u54c1\u6279\u91cf\u751f\u4ea7\u4e86\uff0c\u53d1\u73b0EMC\u95ee\u9898\u518d\u53bb\u89e3\u51b3\uff0c\u5c31\u4f1a\u4e8b\u500d\u529f\u534a\u3002<\/p>\n

\n\t3.2 EMI\u6291\u5236\u6750\u6599\u6280\u672f<\/p>\n

\n\t3.2.1 \u5c4f\u853d\u6750\u6599<\/p>\n

\n\t\u5c4f\u853d\u5c31\u662f\u5229\u7528\u6750\u6599\u7684\u53cd\u5c04\u548c\/\u6216\u5438\u6536\u4f5c\u7528\uff0c\u4ee5\u51cf\u5c11EMI\u8f90\u5c04\u3002\u5c4f\u853d\u6750\u6599\u7684\u6709\u6548\u586b\u7f6e\u53ef\u51cf\u5c11\u6216\u6e05\u9664\u4e0d\u5fc5\u8981\u7684\u7f1d\u9699\uff0c\u6291\u5236\u7535\u78c1\u8026\u5408\u8f90\u5c04\uff0c\u964d\u4f4e\u7535\u78c1\u6cc4\u6f0f\u548c\u5e72\u6270\u3002\u5177\u6709\u8f83\u9ad8\u5bfc\u7535\u3001\u5bfc\u78c1\u6027\u80fd\u7684\u6750\u6599\u53ef\u4f5c\u4e3a\u7535\u78c1\u5c4f\u853d\u6750\u6599\uff0c\u4e00\u822c\u8981\u6c42\u5c4f\u853d\u6027\u80fd\u8fbe40\uff5e60dB\u3002\u76ee\u524d\u5e38\u7528\u7684\u5c4f\u853d\u6750\u6599\u6709\u91d1\u5c5e\u6750\u6599\u548c\u9ad8\u5206\u5b50\u6750\u6599\u4e24\u5927\u7c7b\u3002<\/p>\n

\n\t\u91d1\u5c5e\u6750\u6599\u6309\u7528\u9014\u53c8\u53ef\u5206\u4e3a\u886c\u57ab\u5c4f\u853d\u6750\u6599\u548c\u900f\u6c14\u6027\u5c4f\u853d\u6750\u6599\u4e24\u79cd\u3002\u4efb\u4f55\u5b9e\u7528\u7684\u673a\u7bb1\u90fd\u4f1a\u6709\u7f1d\u9699\uff0c\u7531\u4e8e\u7f1d\u9699\u7684\u5bfc\u7535\u4e0d\u8fde\u7eed\u6027\uff0c\u5728\u8be5\u5904\u5373\u4ea7\u751f\u7535\u78c1\u6cc4\u6f0f\u3002\u89e3\u51b3\u7684\u529e\u6cd5\u662f\u5728\u975e\u6c38\u4e45\u6027\u642d\u63a5\u5904\u52a0\u7535\u78c1\u5bc6\u5c01\u886c\u57ab\u3002\u5982\u91d1\u5c5e\u4e1d\u7f51\u886c\u57ab\u3001\u5bfc\u7535\u6a61\u80f6\u886c\u57ab\u3001\u94cd\u94dc\u6307\u5f62\u7c27\u7247\u3001\u87ba\u65cb\u7ba1\u886c\u57ab\u53ca\u6a61\u80f6\u82af\u886c\u57ab\uff0b\u91d1\u5c5e\u4e1d\u7f51\u7b49\u3002\u4efb\u4f55\u673a\u7bb1\u4e3a\u4e86\u6563\u70ed\u900f\u6c14\u5f80\u5f80\u5f00\u6709\u5c0f\u5b54\uff0c\u56e0\u6b64\u5f15\u53d1\u7535<\/u>\u78c1\u6cc4\u6f0f\uff0c\u7528\u91d1\u5c5e\u4e1d\u7f51\u96be\u4ee5\u8fbe\u5230\u5b8c\u5168\u5c4f\u853d\u6548\u679c\uff0c\u9700\u91c7\u7528\u6ce2\u5bfc\u7a97\u3001\u591a\u5c42\u622a\u6b62\u6ce2\u5bfc\u901a\u98ce\u677f\u548c\u6ce1\u6cab\u91d1\u5c5e\u7b49\u4ee5\u6539\u5584\u5c4f\u853d\u6548\u679c\u3002\u7531\u94dc\u6216\u954d\u53ca\u8fde\u901a\u7684\u7a7a\u6d1e\u7ec4\u6210\u3001\u7a7a\u5fc3\u91d1\u5c5e\u9aa8\u67b6\u4e92\u8fde\u7684\u4e09\u7ef4\u7f51\u72b6\u7ed3\u6784\u91d1\u5c5e\u6ce1\u6cab\u4f5c\u5c4f\u853d\u6750\u6599\uff0c\u572810\uff5e100MHz\u8303\u56f4\u5185\uff0c\u5c4f\u853d\u6027\u80fd\u8fbe90dB\uff0c\u4e14\u91cd\u91cf\u8f7b\u3001\u4f53\u79ef\u5c0f\uff0c\u662f\u5f88\u6709\u524d\u9014\u7684\u5c4f\u853d\u6750\u6599\u3002<\/p>\n

\n\t\u9ad8\u5206\u5b50\u6750\u6599\u4e3b\u8981\u5305\u62ec\u5bfc\u7535\u5851\u6599\u3001\u5bfc\u7535\u6d82\u6599\u548c\u8868\u9762\u5bfc\u7535\u6750\u6599\uff0c\u6b64\u5916\u8fd8\u6709\u5bfc\u7535\u73bb\u7483\u548c\u5bfc\u7535\u819c\u7247\uff1b\u4e0e\u91d1\u5c5e\u6750\u6599\u76f8\u6bd4\uff0c\u5b83\u4eec\u5177\u6709\u91cd\u91cf\u8f7b\u3001\u6613\u6210\u578b\u3001\u7535\u963b<\/u>\u7387\u53ef\u8c03\u7b49\u7279\u70b9\u3002\u5bfc\u7535\u5851\u6599\u662f\u5c06\u5bfc\u7535\u7269\u8d28\u5982\u78b3\u9ed1\u3001\u91d1\u5c5e\u7c89\u6216\u91d1\u5c5e\u7ea4\u7ef4\u63ba\u6742\u4e8e\u6811\u8102\u4e2d\u5236\u6210\uff0c\u5c4f\u853d\u6027\u80fd\u53ef\u8fbe30\uff5e80dB\uff1b\u5bfc\u7535\u6d82\u6599\u901a\u5e38\u7531Ag\u3001Ni\u3001Cu\u6216C\u5bfc\u7535\u7269\u8d28\u4f5c\u586b\u6599\uff0c\u4e0e\u5408\u6210\u6811\u8102\u3001\u6eb6\u5242\u548c\u6dfb\u52a0\u5242\u4e00\u8d77\uff0c\u6d82\u8986\u4e8e\u5851\u6599\u8868\u9762\u5f62\u6210\u56fa\u5316\u819c\uff0c\u4ea7\u751f\u5bfc\u7535\u5c4f\u853d\u6548\u679c\uff0c\u6027\u80fd\u4e3a20\uff5e60dB\u4e0d\u7b49\uff1b\u8868\u9762\u5bfc\u7535\u5c4f\u853d\u6750\u6599\u4e00\u822c\u91c7\u7528\u91d1\u5c5e\u7194\u5c04\u3001\u5851\u6599\u7535\u9540\u3001\u771f\u7a7a\u84b8\u53d1\u3001\u8d34\u91d1\u5c5e\u7b94\u7b49\u624b\u6bb5\uff0c\u4f7f\u7edd\u7f18\u6750\u6599\u8868\u9762\u5f62\u6210\u5bfc\u7535\u5c42\uff0c\u9540\u5c42\u6700\u8584\u4e3a2\uff5e5μm\uff0c\u5c4f\u853d\u6027\u80fd\u53ef\u8fbe45\uff5e120dB\uff0c\u751a\u81f3\u66f4\u9ad8\u3002<\/p>\n

\n\t3.2.2 \u5438\u6ce2\u6750\u6599<\/p>\n

\n\t\u5438\u6ce2\u6750\u6599\u7684\u4e3b\u8981\u529f\u80fd\u662f\u5c06\u5e72\u6270\u6e90\u6240\u4ea7\u751f\u7684\u7535\u78c1\u8f90\u5c04\u80fd\u91cf\u8f6c\u5316\u4e3a\u5176\u5b83\u80fd\u91cf\uff08\u4e3b\u8981\u662f\u70ed\u80fd\uff09\u800c\u8017\u6563\u6389\u3002\u6839\u636e\u635f\u8017\u673a\u7406\u4e0d\u540c\uff0c\u53ef\u5206\u4e3a\u7535\u963b\u578b\u3001\u7535\u4ecb\u8d28\u578b\u548c\u78c1\u4ecb\u8d28\u578b\u4e09\u5927\u7c7b\uff3b\uff14\uff3d\u3002<\/p>\n

\n\t\u7535\u963b\u578b\u5438\u6ce2\u6750\u6599\u4e3b\u8981\u6709\u78b3\u7cbe\u7c89\u3001\u77f3\u58a8\u548cSiC\u7b49\uff0c\u5438\u6ce2\u80fd\u529b\u4e3b\u8981\u53d6\u51b3\u4e8e\u6750\u6599\u7535\u963b\u7387\uff0c\u7531\u4e8e\u8fd9\u79cd\u6750\u6599\u5438\u6536\u5c42\u539a\u5ea6t\u4e0e\u7535\u78c1\u6ce2\u957fλ\u6210\u6b63\u6bd4\uff0c\u901a\u5e38t\uff1d0.6λ\uff0c\u6545\u9002\u5408\u4e8e\u9ad8\u9891\u6bb5\uff0c\u82e5\u5728100MHz\u65f6\u5e94\u7528\uff0c\u6750\u6599\u539a\u5ea6\u9700\u8fbe1.8m\u3002<\/p>\n

\n\t\u7535\u4ecb\u8d28\u578b\u5438\u6ce2\u6750\u6599\u6709BaTiO2\u3001\u94c1\u7535\u9676\u74f7\u7b49\u9ad8\u4ecb\u7535\u6750\u6599\uff0c\u80fd\u91cf\u8870\u51cf\u4e3b\u8981\u6765\u81ea\u4ecb\u7535\u635f\u8017\uff0c\u800c\u4ecb\u7535\u635f\u8017\u4e0e\u9891\u7387\u4f9d\u8d56\u5173\u7cfb\u8f83\u5f3a\uff0c\u6545\u5438\u6536\u9891\u5e26\u7a84\uff0c\u4e14\u6210\u672c\u9ad8\uff0c\u5e94\u7528\u53d7\u5230\u4e00\u5b9a\u9650\u5236\u3002<\/p>\n

\n\t\u78c1\u4ecb\u8d28\u578b\u5438\u6ce2\u6750\u6599\u4e3b\u8981\u4e3a\u94c1\u6c27\u4f53\uff0c\u5229\u7528\u94c1\u6c27\u4f53\u72ec\u7279\u7684\u590d\u6570\u78c1\u5bfc\u7387\u4ea7\u751f\u7684\u78c1\u635f\u8017\u673a\u7406\uff0c\u5438\u6536\u7535\u78c1\u6ce2\uff0c\u6210\u672c\u4f4e\u5ec9\uff0c\u6240\u4ee5\u76ee\u524d\u5e94\u7528\u6700\u4e3a\u5e7f\u6cdb\u3002\u5176\u4e2dMnZn\u94c1\u6c27\u4f53EMI\u6291\u5236\u6750\u6599\u4e3b\u8981\u7528\u4e8e\u4f4e\u9891\uff0cNiZn\u94c1\u6c27\u4f53EMI\u6291\u5236\u6750\u6599\u4e3b\u8981\u7528\u4e8e\u9ad8\u9891\uff0c\u800c\u7fb0\u57fa\u94c1\u3001\u94c1\u57fa\u3001\u954d\u57fa\u78c1\u4ecb\u8d28\u5219\u53ef\u5728\u5927\u7535\u6d41<\/u>\u60c5\u51b5\u4e0b\u5e94\u7528\uff0c\u4ee5\u89e3\u51b3\u94c1\u6c27\u4f53\u78c1\u82af<\/u>\u7684\u78c1\u9971\u548c\u95ee\u9898\u3002<\/p>\n

\n\t3.3 EMI\u6291\u5236\u5143\u5668\u4ef6\u6280\u672f<\/p>\n

\n\t3.3.1 \u6709\u6e90\u5668\u4ef6\u7684\u5f00\u53d1\u4e0e\u5e94\u7528<\/p>\n

\n\t\u5f00\u53d1\u548c\u5e94\u7528\u6709\u6e90\u5668\u4ef6\uff0c\u8981\u91cd\u70b9\u5173\u6ce8\u5176\u7535\u78c1\u5e72\u6270\u53d1\u5c04\u548c\u7535\u78c1\u654f\u611f\u5ea6\u8fd9\u4e24\u9879\u6280\u672f\u6307\u6807\u3002\u6709\u6e90\u6a21\u62df\u5668\u4ef6\u7684\u654f\u611f\u5ea6\u53d6\u51b3\u4e8e\u7075\u654f\u5ea6\u548c\u5e26\u5bbd\uff0c\u800c\u7075\u654f\u5ea6\u4ee5\u5668\u4ef6\u7684\u56fa\u6709\u566a\u58f0\u4e3a\u57fa\u7840\uff1b\u903b\u8f91\u5668\u4ef6<\/u>\u7684\u7075\u654f\u5ea6\u53d6\u51b3\u4e8e\u76f4\u6d41\u566a\u58f0\u5bb9\u9650\u548c\u566a\u58f0\u6297\u6270\u5ea6\u3002\u6709\u6e90\u5668\u4ef6\u6709\u4e24\u79cd\u7535\u78c1\u53d1\u5c04\u6e90\uff1a\u4f20\u5bfc\u5e72\u6270\u548c\u8f90\u5c04\u5e72\u6270\u3002\u4f20\u5bfc\u5e72\u6270\u901a\u8fc7\u7535\u6e90\u7ebf\u3001\u63a5\u5730\u7ebf\u548c\u4e92\u8fde\u7ebf\u8fdb\u884c\u4f20\u8f93\uff0c\u5e76\u968f\u9891\u7387\u589e\u9ad8\u800c\u589e\u5927\uff1b\u8f90\u5c04\u5e72\u6270\u901a\u8fc7\u5668\u4ef6\u672c\u8eab\u6216\u8fde\u7ebf\u5411\u5916\u53d1\u5c04\uff0c\u5e76\u968f\u9891\u7387\u7684\u5e73\u65b9\u800c\u589e\u5927\u3002\u77ac\u6001\u5730\u7535\u6d41\u662f\u4e0a\u8ff0\u4e24\u79cd\u5e72\u6270\u7684\u521d\u59cb\u6e90\uff0c\u826f\u597d\u63a5\u5730\u548c\u5404\u79cd\u53bb\u8026\u65b9\u5f0f\u662f\u51cf\u5c0f\u5730\u7535\u6d41\u7684\u4e3b\u8981\u624b\u6bb5\u3002<\/p>\n

\n\t\u903b\u8f91\u5668\u4ef6\u7684\u7ffb\u8f6c\u901f\u5ea6\u5feb\uff0c\u6240\u5360\u9891\u8c31\u8d8a\u5bbd\uff0c\u56e0\u6b64\uff0c\u5728\u4fdd\u8bc1\u529f\u80fd\u7684\u524d\u63d0\u4e0b\uff0c\u4e0d\u53ef\u8fc7\u5206\u8ffd\u6c42\u54cd\u5e94\u901f\u5ea6\u3002\u6570\u5b57\u7535\u8def\u7684\u5e72\u6270\u9891\u8c31\u5f88\u5bbd\uff0c\u662f\u7535\u5b50\u548c\u7535\u6c14\u8bbe\u5907\u4e2d\u7684\u91cd\u8981\u5e72\u6270\u6e90\uff0c\u5176\u7535\u78c1\u8f90\u5c04\u53ef\u5206\u4e3a\u5171\u6a21\u548c\u5dee\u6a21\u4e24\u79cd\u5f62\u5f0f\u3002\u5de5\u4f5c\u9891\u7387\u8d8a\u9ad8\uff0c\u8f90\u5c04\u80fd\u91cf\u5c31\u8d8a\u5927\uff1b\u4fe1\u53f7\u7535\u5e73\u8d8a\u9ad8\uff0c\u8f90\u5c04\u5e72\u6270\u5c31\u8d8a\u5f3a\u3002\u4e3a\u4e86\u63a7\u5236\u5dee\u6a21\u8f90\u5c04\uff0c\u5fc5\u987b\u5c06\u5370\u5236\u7535\u8def\u677f\u4e0a\u4fe1\u53f7\u7ebf\u3001\u7535\u6e90\u7ebf\u548c\u5b83\u4eec\u7684\u56de\u7ebf\u7d27\u9760\u5728\u4e00\u8d77\uff0c\u4ee5\u51cf\u5c11\u56de\u8def\u9762\u79ef\uff1b\u4e3a\u4e86\u63a7\u5236\u5171\u6a21\u8f90\u5c04\uff0c\u53ef\u4f7f\u7528\u6805\u7f51\u5730\u7ebf\u6216\u5e73\u9762\u63a5\u5730\u7b49\u826f\u597d\u63a5\u5730\u65b9\u5f0f\uff0c\u4e5f\u53ef\u91c7\u7528\u5171\u6a21\u627c\u6d41\u5708<\/u>\u3002<\/p>\n

\n\t3.3.2 \u6297\uff25\uff2d\uff29\u5668\u4ef6\u7684\u5f00\u53d1\u4e0e\u5e94\u7528<\/p>\n

\n\t\u5177\u6709\u826f\u597d\u5c4f\u853d\u548c\u63a5\u5730\u63aa\u65bd\u7684\u7535\u5b50\u3001\u7535\u6c14\u4ea7\u54c1\uff0c\u4e5f\u4ecd\u7136\u4f1a\u6709\u7535\u78c1\u5e72\u6270\uff0c\u6b64\u65f6\u5e94\u5f53\u5408\u7406\u9009\u7528\u6297EMI\u5143\u5668\u4ef6\u3002\u6297EMI\u5668\u4ef6\u7684\u79cd\u7c7b\u5f88\u591a\uff0c\u6ee4\u6ce2\u662f\u538b\u7f29\u5e72\u6270\u9891\u8c31\u7684\u57fa\u672c\u624b\u6bb5\uff0c\u6297EMI\u6ee4\u6ce2\u5668<\/u>\u662fEMC\u6280\u672f\u7684\u57fa\u7840\u5143\u5668\u4ef6\u4e4b\u4e00\uff0c\u529f\u80fd\u72ec\u7279\u3001\u95e8\u7c7b\u7e41\u591a\uff0c\u5728\u6b64\u4ec5\u4e3e\u51e0\u4f8b\u3002<\/p>\n

\n\t\uff081\uff09 \u4fe1\u53f7\u7ebf\u6ee4\u6ce2\u5668<\/p>\n

\n\t\u8fd9\u662f\u4e00\u7c7b\u7528\u4e8e\u4fe1\u53f7\u7ebf\u7684\u4f4e\u901a\u6ee4\u6ce2\u5668\uff0c\u7528\u6765\u6ee4\u9664\u9ad8\u9891\u5e72\u6270\u6210\u5206\u3002\u4e3b\u8981\u6709\u7ebf\u8def\u677f\u6ee4\u6ce2\u5668\u3001\u5c4f\u853d\u58f3\u4f53\u9988\u901a\u6ee4\u6ce2\u5668<\/u>\u548c\u8fde\u63a5\u5668<\/u>\u6ee4\u6ce2\u5668\u3001\u6ee4\u6ce2\u5668\u9635\u5217\u677f\u7b49\uff0c\u901a\u5e38\u7531EMI\u78c1\u82af<\/u>\u548c\u7535\u5bb9\u5668<\/u>\u7ec4\u6210π\u578b\u6216L\u578b\u6ee4\u6ce2\u7f51\u7edc\u3002<\/p>\n

\n\t\uff082\uff09 EMI\u6291\u5236\u5668<\/p>\n

\n\t\u6297EMI\u94c1\u6c27\u4f53\u7684\u91cd\u8981\u53c2\u6570\u4e3a\u78c1\u5bfc\u7387μ\u548c\u9971\u548c\u78c1\u901a\u5bc6\u5ea6Bs\u3002μ\u53ef\u8868\u793a\u4e3a\u590d\u6570\uff0c\u5b9e\u6570\u90e8\u5206\u8868\u5f81\u7535\u611f<\/u>\uff0c\u865a\u6570\u90e8\u5206\u6784\u6210\u78c1\u635f\u8017\u3002\u5176\u7b49\u6548\u7535\u8def\u7531\u7535\u611fL\u548c\u7535\u963bR\u7ec4\u6210\uff0cL\u3001R\u5747\u4e3a\u9891\u7387\u7684\u51fd\u6570\u3002\u4f4e\u9891\u65f6R\u5f88\u5c0f\uff0cL\u8d77\u4e3b\u8981\u4f5c\u7528\uff0c\u7535\u78c1\u5e72\u6270\u88ab\u53cd\u5c04\u800c\u53d7\u5230\u6291\u5236\uff1b\u9ad8\u9891\u65f6R\u589e\u5927\uff0c\u7535\u78c1\u5e72\u6270\u88ab\u5438\u6536\u5e76\u8f6c\u6362\u6210\u70ed\u80fd\u3002\u8fd9\u7c7bEMI\u6291\u5236\u5668\u5b9e\u9645\u4e0a\u4e5f\u662f\u4e00\u79cd\u4f4e\u901a\u6ee4\u6ce2\u5668\uff0c\u76ee\u524d\u5df2\u88ab\u5e7f\u6cdb\u7528\u4e8e\u5370\u5236\u677f\u3001\u7535\u6e90\u7ebf\u548c\u4fe1\u53f7\u7ebf\u4e0a\uff0c\u4e0d\u4f46\u6291\u5236\u9ad8\u9891\u5e72\u6270\u548c\u5c16\u5cf0\u5e72\u6270\uff0c\u4e5f\u5177\u6709\u5438\u6536\u9759\u7535\u653e\u7535\u8109\u51b2\u7684\u80fd\u529b\u3002<\/p>\n

\n\t\uff083\uff09 \u7535\u6e90\u7ebf\u6ee4\u6ce2\u5668<\/p>\n

\n\t\u7535\u6e90\u7ebf\u662f\u7535\u78c1\u5e72\u6270\u51fa\u5165\u7535\u5b50\u3001\u7535\u6c14\u8bbe\u5907\u7684\u4e3b\u8981\u901a\u9053\uff0c\u7535\u6e90\u7ebf\u6ee4\u6ce2\u5668\u53ea\u5141\u8bb8\u7535\u6e90\u9891\u7387\u901a\u8fc7\uff0c\u9ad8\u4e8e\u7535\u6e90\u9891\u7387\u7684\u5e72\u6270\u4fe1\u53f7\u5c06\u53d7\u5230\u8870\u51cf\u548c\u6291\u5236\u3002\u7531\u4e8e\u706b\u7ebf\u3001\u96f6\u7ebf\u56de\u8def\u4e2d\u7684\u5e72\u6270\u4e3a\u5dee\u6a21\u5e72\u6270\uff0c\u800c\u706b\u7ebf\u3001\u96f6\u7ebf\u4e0e\u5730\u7ebf\u56de\u8def\u4e2d\u7684\u5e72\u6270\u4e3a\u5171\u6a21\u5e72\u6270\uff0c\u7535\u6e90\u7ebf\u6ee4\u6ce2\u5668\u5bf9\u8fd9\u4e24\u79cd\u5e72\u6270\u4fe1\u53f7\u7684\u6ee4\u6ce2\u5668\u6548\u679c\u662f\u4e0d\u540c\u7684\uff0c\u6240\u4ee5\u5f80\u5f80\u9700\u8981\u533a\u522b\u5bf9\u5f85\u3002<\/p>\n

\n\t3.4 EMI\u6d4b\u8bd5\u6280\u672f<\/p>\n

\n\t\u4e25\u683c\u6309\u7167\u56fd\u9645\u3001\u56fd\u5185\u76f8\u5173EMC\u6807\u51c6\uff0c\u5bf9\u7cfb\u7edf\u6574\u673a\u3001\u90e8\u4ef6\u3001\u5143\u5668\u4ef6\u548c\u6750\u6599\u8fdb\u884cEMI\u6d4b\u8bd5\u3001\u9a8c\u8bc1\u662fEMC\u6280\u672f\u521b\u65b0\u7684\u5173\u952e\u3002\u524d\u4e0d\u4e45\uff0c\u4e0a\u6d77\u5efa\u6210\u4e86\u534e\u4e1c\u5730\u533a\u7b2c\u4e00\u4e2a\u630990\u5e74\u4ee3\u65b0\u5de5\u827a\u3001\u65b0\u6807\u51c6\u8bbe\u8ba1\u7684EMC\u5b9e\u9a8c\u5ba4\uff0c\u91c7\u7528\u9ad8\u6027\u80fd\u94c1\u6c27\u4f53\u5438\u6ce2\u6750\u6599\u7ec4\u88c5\u6210\u5fae\u6ce2\u6697\u5ba4\u53ca\u4e00\u7cfb\u5217\u5c4f\u853d\u5b9e\u9a8c\u5ba4\uff0c\u53ef\u5bf9\u7535\u5b50\u4ea7\u54c1\u7684\u9759\u7535\u3001\u7fa4\u8109\u51b2\u3001\u6d6a\u6d8c\u3001\u78c1\u573a\u3001\u8c10\u6ce2\u3001\u4f20\u5bfc\u53d1\u5c04\u7b49EMC\u6280\u672f\u6307\u6807\u8fdb\u884c\u6d4b\u91cf\u3001\u8bc4\u4f30\uff3b5\uff3d\u3002\u53ea\u6709\u89e3\u51b3\u4e86EMC\u6d4b\u8bd5\u95ee\u9898\uff0c\u624d\u80fd\u66f4\u597d\u5730\u5f00\u5c55\u7535\u5b50\u3001\u7535\u6c14\u4ea7\u54c1\u7684\u79d1\u7814\u3001\u751f\u4ea7\u3001\u9500\u552e\u3001\u5e94\u7528\u3001\u670d\u52a1\uff0c\u540c\u65f6\u53ef\u5bf9IT\u4ea7\u54c1\u7684\u8fdb\u51fa\u53e3\u4e1a\u52a1\u5b9e\u65bd\u6709\u6548\u76d1\u7763\u3002<\/p>\n

\n\t4 \u5f3a\u5316\u7ba1\u7406\uff0c\u5927\u529b\u63a8\u5e7f\uff25\uff2d\uff29\u6291\u5236\u6280\u672f<\/p>\n

\n\t4.1 \u5fc5\u8981\u6027<\/p>\n

\n\tEMI\u6291\u5236\u6280\u672f\u662f\u519b\u6c11\u517c\u7528\u7684\u9ad8\u65b0\u6280\u672f\uff0c\u53c8\u4e0e\u4eba\u7c7b\u7684\u5065\u5eb7\u548c\u751f\u6d3b\u8d28\u91cf\u5bc6\u5207\u76f8\u5173\uff0c\u56fd\u5916\u7ecf\u8fc7\u4e09\u56db\u5341\u5e74\u7684\u53d1\u5c55\uff0c\u5df2\u5f62\u6210\u4e86EMC\u4ea7\u4e1a\u3002\u7f8e\u3001\u65e5\u7b49\u56fd\u4ec5EMI\uff0fRFI\u94c1\u6c27\u4f53\u6291\u5236\u5143\u5668\u4ef6\u4e13\u4e1a\u751f\u4ea7\u5382\u5546\u5c31\u670920\u5bb6\u4ee5\u4e0a\uff0cTDK<\/u>\u516c\u53f8\u73b0\u6709\u6297EMI\u94c1\u6c27\u4f53\u5143\u3001\u5668\u4ef623\u4e2a\u7cfb\u5217\uff0c71\u79cd\u4ea7\u54c1\uff1b\u7f8e\u56fdFilter Concepts\u670919\u4e2a\u7cfb\u521790\u4e2a\u54c1\u79cd\uff0c\u5e76\u8fdb\u4e00\u6b65\u5411\u5fae\u578b\u5316\u3001\u7247\u5f0f\u5316\u53d1\u5c55\uff0c\u5176\u4e2dEMI\u7535\u6e90\u6ee4\u6ce2\u5668\u548cEMI\u7535\u78c1\u6ee4\u6ce2\u5668\u5de5\u4f5c\u9891\u5e26\u6781\u5bbd\uff0830kHz\uff5e10GHz\uff09\uff0c\u963b\u5e26\u6291\u5236\u8fbe100dB\u4ee5\u4e0a\u3002<\/p>\n

\n\t\u968f\u7740\u6280\u672f\u4e0a\u7684\u4e0d\u65ad\u7a81\u7834\uff0c\u56fd\u5185EMC\u4ea7\u4e1a\u6b63\u5728\u5f62\u6210\u4e2d\u3002\u6b64\u5916\uff0c\u6e2f\u53f0\u5382\u5546\u79ef\u6781\u8fdb\u519b\u5927\u9646\u5e02\u573a\uff0c\u4e5f\u63a8\u52a8\u4e86\u56fd\u5185EMI\u6291\u5236\u6280\u672f\u7684\u53d1\u5c55\uff0c\u4fc3\u8fdb\u4e86\u7b26\u5408EMC\u56fd\u9645\u6807\u51c6\u7684\u7535\u5b50\u4ea7\u54c1\u7684\u51fa\u53e3\u3002\u56e0\u6b64\uff0c\u5f3a\u5316\u7ba1\u7406\uff0c\u5927\u529b\u53d1\u5c55\u6211\u56fdEMI\u6291\u5236\u6280\u672f\uff0c\u5e76\u4f7f\u4e4b\u4ea7\u4e1a\u5316\uff0c\u5b9e\u5c5e\u5927\u52bf\u6240\u8d8b\uff0c\u52bf\u5728\u5fc5\u884c\u3002<\/p>\n

\n\t4.2 \u5efa\u7acb\u79d1\u5b66\u7684\u7ba1\u7406\u4f53\u7cfb<\/p>\n

\n\t4.2.1 \u653f\u5e9c\u5b8f\u89c2\u7ba1\u7406<\/p>\n

\n\tEMI\u6291\u5236\u6280\u672f\u7684\u4e0d\u65ad\u521b\u65b0\u662f\u53d1\u5c55\u6211\u56fdEMC\u9ad8\u65b0\u6280\u672f\u4ea7\u4e1a\u7684\u6838\u5fc3\u3002\u653f\u5e9c\u4e00\u65b9\u9762\u8981\u52a0\u5febEMC\u56fd\u5bb6\u6807\u51c6\uff08\u5305\u62ec\u5f3a\u5236\u6027\u6807\u51c6\uff09\u548c\u6cd5\u89c4\u7684\u5236\u8ba2\u3001\u8d2f\u5f7b\uff0c\u5c3d\u5feb\u4e0e\u56fd\u9645\u63a5\u8f68\uff1b\u53e6\u4e00\u65b9\u9762\u8981\u52a0\u5f3a\u5b8f\u89c2\u6307\u5bfc\uff0c\u79ef\u6781\u6276\u6301EMC\u4ea7\u4e1a\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u5f15\u5bfc\u66f4\u591a\u7684\u4f01\u4e8b\u4e1a\u5355\u4f4d\u4ece\u4e8bEMI\u6291\u5236\u6280\u672f\u7684\u5f00\u53d1\u4e0e\u5e94\u7528\uff0c\u5236\u8ba2\u76f8\u5173\u4ea7\u4e1a\u653f\u7b56\uff0c\u91cd\u70b9\u5efa\u8bbe\u82e5\u5e72\u4e2aEMC\u4ea7\u4e1a\u793a\u8303\u57fa\u5730\uff0c\u5bf9\u5171\u6027\u6280\u672f\u7ed9\u4e88\u8db3\u591f\u7684\u91cd\u89c6\u548c\u5173\u6ce8\uff0c\u5e76\u5efa\u7acb\u5fc5\u8981\u7684\u6280\u672f\u521b\u65b0\u6fc0\u52b1\u673a\u5236\u3002<\/p>\n

\n\t4.2.2 \u884c\u4e1a\u534f\u8c03\u7ba1\u7406<\/p>\n

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