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汽车孔缝对电磁屏蔽效能的影响
引用本文:高印寒,樊宽刚,杨开宇,贾文勇.汽车孔缝对电磁屏蔽效能的影响[J].世界科技研究与发展,2009,31(3):442-447.
作者姓名:高印寒  樊宽刚  杨开宇  贾文勇
作者单位:1. 吉林大学测试科学试验中心,长春,130025
2. 吉林大学仪器科学与电气工程学院,长春,130061
3. 一汽车集团技术研究中心,长春,130065
基金项目:吉林省科技发展计划项目,高等学校博士学科点项目 
摘    要:汽车正在逐步走向电子化,只有处理好汽车上电子设备的电磁兼容(EMC)问题,才能更好地运用电子设备。本文主要针对汽车上几种规则孔缝的电磁泄漏进行建模、理论分析和仿真分析,得出一个屏蔽效能(SE)较高的模型,从而有效地降低了汽车的电磁辐射和提高了本身的抗电磁干扰能力。并对某一款式的轿车进行了电磁屏蔽设计,使其电磁屏蔽效能提高了8dB。从而验证了本文电磁屏蔽设计方法的有效性。

关 键 词:电磁兼容  孔缝  屏蔽效能  电磁泄漏  电磁屏蔽

Effect of Apertures on Electromagnetic Shielding Effectiveness of Automotive
GAO Yinhan,FAN Kuangang,YANG Kaiyu,JIA Wenyong.Effect of Apertures on Electromagnetic Shielding Effectiveness of Automotive[J].World Sci-tech R & D,2009,31(3):442-447.
Authors:GAO Yinhan  FAN Kuangang  YANG Kaiyu  JIA Wenyong
Affiliation:GAO Yinhan,FAN Kuangang,YANG Kaiyu,JIA Wenyong( 1. The Center of Testing Science Experiment, Jilin University, Changchun 130025 ; 2. College of Instrumentation & Electrical Engineering, Jilin University, Changchun 130061 ; 3. The First Automotive Technology Research Centre, Changchun 130065 )
Abstract:The electronization of automotive is a kind of trend, but it is an important problem to solve electromagnetic compatibility (EMC) problem of automotive electronic equipment. We could make better use of electronic equipment. This article builds modeling and analysizes theory for electromagnetic leakage of automotive apertures. Through simulation, it gets a model of high shielding effectiveness and verifies the effective design through improving the effectiveness of electromagnetic shielding by 8 dB.
Keywords:electromagnetic compatibility  aperture  shielding effectiveness  electromagnetic leakage  electromagnetic shielding
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