{"id":2869,"date":"2019-10-31T06:38:51","date_gmt":"2019-10-31T06:38:51","guid":{"rendered":""},"modified":"2019-10-31T14:42:29","modified_gmt":"2019-10-31T06:42:29","slug":"%e5%b7%a5%e9%a2%91%e7%a3%81%e5%9c%ba%e6%8a%97%e6%89%b0%e5%ba%a6%e7%9a%84%e8%af%95%e9%aa%8c%e8%ae%be%e8%ae%a1%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2869","title":{"rendered":"\u5de5\u9891\u78c1\u573a\u6297\u6270\u5ea6\u7684\u8bd5\u9a8c\u8bbe\u8ba1\u65b9\u6848"},"content":{"rendered":"
\n\t\u5de5\u9891\u78c1\u573a\u662f\u7531\u5bfc\u4f53\u4e2d\u7684\u5de5\u9891\u7535\u6d41<\/u>\u4ea7\u751f\u7684\u3002\u5de5\u9891\u78c1\u573a\u7684\u7279\u70b9\u662f\u9891\u7387\u4f4e\u3001\u6ce2\u957f\u957f\u3001\u5176\u8bd5\u9a8c\u6ce2\u5f62\u4e3a\u5de5\u9891\u6b63\u5f26\u6ce2\uff0c\u5bf9\u5404\u79cd\u7535\u6c14\u548c\u7535\u5b50\u8bbe\u5907\u5747\u4f1a\u9020\u6210\u4e0d\u540c\u7a0b\u5ea6\u7684\u5f71\u54cd\u3002\u5de5\u9891\u78c1\u573a\u6297\u6270\u5ea6\u8bd5\u9a8c\u53ef\u7528\u4e8e\u8bc4\u4ef7\u5904\u4e8e\u5de5\u9891( \u8fde\u7eed\u548c\u77ed\u65f6) \u78c1\u573a\u4e2d\u7684\u5bb6\u7528\u3001\u5546\u7528\u548c\u5de5\u4e1a\u7528\u7535\u6c14\u548c\u7535\u5b50\u8bbe\u5907\u7684\u6027\u80fd\uff0c\u5c24\u5176\u9002\u5408\u4e8e\u8ba1\u7b97\u673a<\/u>\u76d1\u89c6\u5668\u3001\u7535\u5ea6\u8868\u7b49\u4e00\u7c7b\u78c1\u573a\u654f\u611f\u8bbe\u5907\u7684\u78c1\u573a\u6297\u6270\u5ea6\u6027\u80fd\u8bc4\u4f30\u3002<\/p>\n
\n\t\u5de5\u9891\u78c1\u573a\u6297\u6270\u5ea6\u8bd5\u9a8c\u7684\u8bd5\u9a8c\u4eea\u5668\u5305\u62ec\u4e00\u4e2a\u7528\u4ee5\u4ea7\u751f\u78c1\u573a\u7684\u611f\u5e94\u7ebf\u5708\uff0c\u548c\u4e00\u53f0\u7528\u4ee5\u4f9b\u7ed9\u611f\u5e94\u7ebf\u5708\u7535\u6d41\u7684\u5de5\u9891\u52b1\u78c1\u7535\u6e90\u3002<\/p>\n
\n\t1.\u5b9a\u4e49<\/p>\n
\n\t\u5de5\u9891\u5c31\u662f\u4e00\u822c\u7684\u5e02\u7535\u9891\u7387\uff08\u5de5\u4e1a\u7528\u7535\u9891\u7387\uff09\uff0c\u5728\u6211\u4eec\u56fd\u5bb6\u662f50Hz\uff0c\u800c\u4e00\u4e9b\u56fd\u5bb6\u91c7\u752860Hz\u3002<\/p>\n
\n\t<\/p>\n
\n\t\u5de5\u9891\u78c1\u573a\u662f\u5de5\u9891\u7535\u573a\u611f\u5e94\u51fa\u6765\u7684\u7535\u78c1\u573a\uff0c\u4e3b\u8981\u7531\u5bfc\u4f53\u4e2d\u7684\u5de5\u9891\u7535\u6d41\u4ea7\u751f\u7684\uff0c\u6216\u6781\u5c11\u91cf\u7684\u7531\u9644\u8fd1\u7684\u5176\u4ed6\u88c5\u7f6e\uff08\u5982\u53d8\u538b\u5668<\/u>\u7684\u6f0f\u78c1\u901a\uff09\u6240\u4ea7\u751f\u7684\u3002
\n\t <\/p>\n
\n\t1.1 PFMF\u9a9a\u6270\u7279\u70b9<\/p>\n
\n\t\u6211\u4eec\u4e2d\u5b66\u65f6\u671f\u5df2\u7ecf\u5b66\u8fc7V=fλ\u5176\u4e2dV\u662f\u6ce2\u901f,f\u662f\u9891\u7387,λ\u662f\u6ce2\u957f\u3002<\/p>\n
\n\t<\/p>\n
\n\t\u5de5\u9891\u78c1\u573a\u7684\u7279\u70b9\u662f\u9891\u7387\u4f4e\uff0850Hz\uff09\uff0cV\u4e3a\u6052\u5b9a\u503c\uff0c\u81ea\u7136\u6ce2\u957f\u957f\uff0c\u5728\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u5de5\u9891\u7535\u6d41\u6240\u4ea7\u751f\u7684\u78c1\u573a\u76f8\u5bf9\u7a33\u5b9a\uff0c\u78c1\u573a\u5f3a\u5ea6\u8f83\u5c0f\uff0c\u4f46\u5728\u6545\u969c\u6216\u7a81\u53d1\u72b6\u6001\u4e0b\uff0c\u7535\u6d41\u6240\u4ea7\u751f\u7684\u78c1\u573a\u4e0d\u7a33\u5b9a\uff0c\u78c1\u573a\u8fc1\u90fd\u4e5f\u76f8\u5bf9\u8f83\u5927\uff0c\u4e0d\u8fc7\uff0c\u6301\u7eed\u65f6\u95f4\u6bd4\u8f83\u77ed\u3002\u8fd9\u4e5f\u662f\u4e0b\u8ff0\u8bd5\u9a8c\u7b49\u7ea7\u5212\u5206\u7684\u4e00\u4e2a\u4f9d\u636e\u4e4b\u4e00\u3002<\/p>\n
\n\t1.2\u76ee\u7684<\/p>\n
\n\t\u6b64\u9879\u68c0\u9a8c<\/u>\u7684\u76ee\u7684\u5c31\u662f\u4e3a\u4e86\u68c0\u9a8c\u7535\u5b50\u3001\u7535\u6c14\u8bbe\u5907\u5728\u906d\u53d7\u8fd9\u7c7b\u78c1\u573a\u6270\u52a8\u5f71\u54cd\u65f6\u7684\u6027\u80fd\uff0c\u5373\u7cfb\u7edf\u3001\u8bbe\u5907\u5bf9\u5de5\u9891\u78c1\u573a\u7684\u6297\u6270\u5ea6\u3002<\/p>\n
\n\t2.\u8bd5\u9a8c\u7b49\u7ea7<\/p>\n
\n\t\u7a33\u5b9a\u6301\u7eed\u548c\u77ed\u65f6\u4f5c\u7528\u7684\u78c1\u573a\u8bd5\u9a8c\u7b49\u7ea7\u7684\u4f18\u5148\u9009\u7528\u8303\u56f4\u5982\u4e0b\uff1a<\/p>\n
\n\t\u7a33\u5b9a\u6301\u7eed\u78c1\u573a\u8bd5\u9a8c\u7b49\u7ea7<\/p>\n
\n\t<\/p>\n
\n\t\u78c1\u611f\u5e94\u5f3a\u5ea6\u7528A\/m\u8868\u793a\uff0c1A\/m\u76f8\u5f53\u4e8e\u81ea\u7531\u7a7a\u95f4\u7684\u78c1\u611f\u5e94\u5f3a\u5ea6\u4e3a1.26μT\u3002<\/p>\n
\n\t1s-3s\u7684\u77ed\u65f6\u8bd5\u9a8c\u7b49\u7ea7<\/p>\n
\n\t<\/p>\n
\n\t\u901a\u5e38\u4f9d\u636e\u5b9e\u9645\u7684\u5b89\u88c5\u548c\u73af\u5883\u6761\u4ef6\u6765\u9009\u62e9PFMF\u8bd5\u9a8c\u7b49\u7ea7\uff1a<\/p>\n
\n\t\u7b2c\u4e00\u7ea7\uff1a\u4ee5\u76d1\u89c6\u5668\u3001\u7535\u5b50\u663e\u5fae\u955c<\/u>\u4e3a\u4ee3\u8868\u7684\u6709\u7535\u5b50\u675f\u7684\u654f\u611f\u88c5\u7f6e\u80fd\u4f7f\u7528\u7684\u73af\u5883\u6c34\u5e73\u3002<\/p>\n
\n\t\u7b2c\u4e8c\u7ea7\uff1a\u5de5\u4e1a\u533a\u3001\u533b\u9662\u548c\u529e\u516c\u5ba4\u4e3a\u4ee3\u8868\u7684\u4fdd\u62a4\u826f\u597d\u7684\u73af\u5883\u3002<\/p>\n
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\n\t\u51e0\u4e4e\u6240\u6709\u7684\u7535\u78c1\u517c\u5bb9\u8bd5\u9a8c\u7528\u5230\u7684GRP\u90fd\u662f\u5982\u4e0b\u8981\u6c42\uff1a\u6750\u6599\u4e3a0.25mm\u4ee5\u4e0a\u7684\u94dc\u677f\u6216\u8005\u94dd\u677f\uff0c\u5982\u679c\u91c7\u7528\u5176\u4ed6\u91d1\u5c5e\u677f\uff0c\u6700\u5c0f\u539a\u5ea6\u4e3a0.65mm\uff0cGRP\u6700\u5c0f\u5c3a\u5bf8\u4e3a1m*1m\uff0c\u4f46\u5982\u679cEUT\u957f\u6216\u5bbd\u5927\u4e8e\u8fd9\u4e2a\u6570\u503c\uff0c\u90a3\u4e48\u81f3\u5c11\u5e94\u8be5\u8c03\u6574\u4e3a\u76f8\u5e94\u6570\u503c\uff0c\u5373GRP\u6700\u7ec8\u5c3a\u5bf8\u53d6\u51b3\u4e8eEUT\u7684\u5927\u5c0f\uff0c\u540c\u65f6GRP\u8981\u4e0e\u5b9e\u9a8c\u5ba4\u7684\u5b89\u5168\u5730\u76f8\u8fde\uff1b<\/p>\n
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\n\t\u8bd5\u9a8c\u7528\u7684\u7535\u6d41\u53d1\u751f\u5668\u5e94\u653e\u7f6e\u5728\u8ddd\u79bb\u7ebf\u5708\u4e0d\u8d85\u8fc73m\u8fdc\u7684\u4f4d\u7f6e\uff0c\u5176\u4e00\u7aef\u5e94\u4e0eGRP\u76f8\u8fde\u3002<\/p>\n
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\n\t4.\u8bd5\u9a8c\u8ba1\u5212\u5185\u5bb9<\/p>\n
\n\t\u786e\u4fdd\u7535\u78c1\u6761\u4ef6\uff08\u5b9e\u9a8c\u5ba4\u80cc\u666f\u7535\u78c1\u573a\u5e94\u81f3\u5c11\u6bd4\u9009\u5b9a\u7684\u8bd5\u9a8c\u7b49\u7ea7\u4f4e20dB\uff0c\u5426\u5219\u8bd5\u9a8c\u5e94\u5728\u6cd5\u62c9\u7b2c\u7b3c\u4e2d\u8fdb\u884c\uff09\u548c\u6c14\u5019\u6761\u4ef6\uff08\u6e29\u5ea615-35\u2103\uff0c\u76f8\u5bf9\u6e7f\u5ea625%-75%\uff0c\u5927\u6c14\u538b\u529b86-106kPa\uff09\u6ee1\u8db3\u8981\u6c42\u3002<\/p>\n
\n\t\u786e\u5b9a\u8bd5\u9a8c\u78c1\u573a\u7684\u7c7b\u578b\uff08\u7a33\u5b9a\u6301\u7eed\u6216\u77ed\u65f6\u7684\uff09\uff0c\u786e\u5b9a\u8bd5\u9a8c\u7b49\u7ea7\u3002<\/p>\n
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\n\t5.\u8bd5\u9a8c\u7ed3\u679c\u8bc4\u4ef7<\/p>\n
\n\t\u8bd5\u9a8c\u7ed3\u679c\u5e94\u4f9d\u636e\u53d7\u8bd5\u8bbe\u5907\u7684\u529f\u80fd\u4e27\u5931\u6216\u6027\u80fd\u964d\u4f4e\u7b49\u7ea7\u8fdb\u884c\u5206\u7c7b\u3002\u76f8\u5173\u7684\u6027\u80fd\u6c34\u5e73\u7531\u8bbe\u5907\u7684\u5236\u9020<\/u>\u5546\u6216\u5b9e\u9a8c\u7684\u9700\u6c42\u65b9\u786e\u5b9a\uff0cGB17626.8\u5efa\u8bae\u6309\u5982\u4e0b\u8981\u6c42\u5206\u7c7b\uff1a<\/p>\n
\n\t\u5728\u5236\u9020\u5546\u3001\u59d4\u6258\u65b9\u6216\u8d2d\u4e70\u65b9\u89c4\u5b9a\u7684\u9650\u503c\u5185\u6027\u80fd\u6b63\u5e38\uff1b<\/p>\n
\n\t\u529f\u80fd\u6216\u6027\u80fd\u6682\u65f6\u4e27\u5931\u6216\u964d\u4f4e\uff0c\u4f46\u5728\u9a9a\u6270\u505c\u6b62\u540e\u80fd\u81ea\u884c\u6062\u590d\uff0c\u4e0d\u9700\u8981\u64cd\u4f5c\u8005\u5e72\u9884\uff1b<\/p>\n
\n\t\u529f\u80fd\u6216\u6027\u80fd\u6682\u65f6\u4e27\u5931\u6216\u964d\u4f4e\uff0c\u4f46\u9700\u64cd\u4f5c\u4eba\u5458\u5e72\u9884\u624d\u80fd\u6062\u590d\uff1b<\/p>\n
\n\t\u56e0\u8bbe\u5907\u786c\u4ef6\u6216\u8f6f\u4ef6\u635f\u574f\uff0c\u6216\u6570\u636e\u4e22\u5931\u800c\u9020\u6210\u4e0d\u80fd\u6062\u590d\u7684\u529f\u80fd\u4e27\u5931\u6216\u6027\u80fd\u964d\u4f4e\u3002<\/p>\n
\n\t\u4e00\u822c\u6765\u8bb2a\u9879\u662f\u5408\u683c\u7684\uff0cc\u3001d\u9879\u662f\u4e0d\u5408\u683c\u7684\uff0cb\u9879\u9700\u8981\u6839\u636e\u8bbe\u5907\u4f7f\u7528\u60c5\u51b5&\u5ba2\u6237\u534f\u5546\u5224\u65ad\u662f\u5426\u5408\u683c\u3002<\/p>\n
\n\tYY0505\u7684\u7b26\u5408\u6027\u51c6\u5219\u5982\u4e0b\uff1a<\/p>\n
\n\t<\/p>\n
\n\t6.\u6d4b\u8bd5\u8bbe\u5907<\/p>\n
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\n\t\u8981\u6c42\u6280\u672f\u53c2\u6570\u5982\u4e0b\uff1a<\/p>\n
\n\t<\/p>\n
\n\t\u7a33\u5b9a\u6301\u7eed\u65b9\u5f0f\u5de5\u4f5c\u65f6\u7684\u8f93\u51fa\u7535\u6d41\u8303\u56f4\uff1a1A-100A\uff0c\u9664\u4ee5\u7ebf\u5708\u56e0\u6570\uff1b<\/p>\n
\n\t\u77ed\u65f6\u65b9\u5f0f\u5de5\u4f5c\u65f6\u7684\u8f93\u51fa\u7535\u6d41\u8303\u56f4\uff1a300A-1000A\uff0c\u9664\u4ee5\u7ebf\u5708\u56e0\u6570\uff1b<\/p>\n
\n\t\u8f93\u51fa\u7535\u6d41\u603b\u7578\u53d8\u7387\u5c0f\u4e8e8%\uff1b<\/p>\n
\n\t\u8f93\u51fa\u7535\u6d41\u6ce2\u5f62\u4e3a\u6b63\u5f26\u6ce2\uff1b<\/p>\n
\n\t\u77ed\u65f6\u5de5\u4f5c\u65f6\u6574\u5b9a\u65f6\u95f4\uff1a1-3s\uff1b<\/p>\n
\n\t\u611f\u5e94\u7ebf\u5708\u6709\u4e09\u79cd\u5f62\u5f0f\uff1a<\/p>\n
\n\t\uff081\uff09\u3001\u65b9\u5f62\u611f\u5e94\u7ebf\u5708\uff0c\u6807\u51c6\u8fb9\u957f\u4e3a1m\uff0c\u573a\u5f3a\u5141\u5dee\u5728±3.0dB\u4ee5\u5185\uff0c\u53ef\u5bb9EUT\u5c3a\u5bf8\u4e3a0.6m*0.6m*0.5m\uff08l*w*h\uff09\uff1b<\/p>\n
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\n\t\uff083\uff09\u3001\u5bf9\u4e8e\u5927\u578b\u67dc\u5f0f\u8bbe\u5907\uff0c\u6839\u636eEUT\u5b9a\u5236\u7ebf\u5708\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u5747\u5300\u5ea6\uff0c\u7ebf\u5708\u6bcf\u8fb9\u5230EUT\u5916\u58f3\u7684\u6700\u5c0f\u8ddd\u79bb\u5728\u6c34\u5e73\u548c\u5782\u76f4\u65b9\u5411\u5206\u522b\u4e3a0.2m\u548c0.3m\u3002<\/p>\n
\n\t7.\u4e3e\u4f8b<\/p>\n
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\n\t<\/p>\n
\n\t\u7b80\u6613\u6d4b\u8bd5\u6570\u636e\u5982\u4e0b<\/p>\n
\n\t<\/p>\n
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