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1 前言随着科学技术的进步和先进的电子技术的广泛应用 ,电子技术正在向高频率、高速度、高可靠性、超小型化、网络化和智能化的方向发展 ,电磁干扰对这些设备和系统的影响也越来越突出 ,特别是雷电电磁干扰造成的事故逐年增多。许多计算机机房遭受雷击 ,引起整个网络瘫痪。因
1 Introduction With the advancement of science and technology and the extensive application of advanced electronic technology, the electronic technology is moving toward high frequency, high speed, high reliability, ultra-miniaturization, networking and intelligent direction. The electromagnetic interference to these devices and The impact of the system is also more and more prominent, especially the accidents caused by thunder and lightning electromagnetic interference increase year by year. Many computer labs suffered lightning strikes that caused the entire network to fail. because