太赫兹科学与电子信息学报, 2019, 17 (6): 1045, 网络出版: 2020-02-24  

设备级线缆强电磁辐照敏感度仿真分析

Simulation analysis of cable harsh electromagnetic irradiation susceptibility about electronics
作者单位
1 广州广电计量检测股份有限公司电磁兼容研究所, 广东广州 510656
2 装备发展部军事代表局驻镇江地区军事代表室, 江苏镇江 212000
摘要
针对近年来复杂电磁环境中强电磁脉冲攻击, 研究得出设备级强电磁辐照敏感度仿真分析方法。该方法采用 3D电磁场仿真及 2D电路仿真相结合的手段, 通过建立几何模型、定义材料参数、添加负载及激励源、放置监测探头等步骤, 最终仿真得出设备外壳内部及线缆上耦合电流的时域、频域特性。由仿真结果可知, 设备内部及线缆上耦合的电压、电流在极短时间内即可达到具有破坏性的峰值, 且其同时具备较宽的频谱, 从而可对多种电子设备造成毁伤。因此, 当电子设备处在复杂电磁环境强电磁脉冲攻击下, 必须采取一定的强电磁保护措施。本仿真方法也可适用其他通用电子设备强电磁辐照敏感度仿真分析。
Abstract
A simulation analysis method of harsh electromagnetic irradiation susceptibility about electronics is proposed aiming for high electromagnetic pulse attack in complex electromagnetic environment. This method combines 3D electromagnetic field simulation with 2D electric circuit simulation, which includes steps of building model, defining material parameters, adding load and exciting source, placing observation points. This method can obtain time-domain and frequency-domain characteristic of space and cable. According to the simulation results, the voltage and current in space and cable can reach peak soon with broad frequency domain, which are able to destroy many electronics. Therefore, some methods should be adopted to protect electronic devices. The proposed simulation method also can be utilized to analyze harsh electromagnetic irradiation susceptibility of all common electronics.
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刘恩博, 李智深, 陈旗, 张钰. 设备级线缆强电磁辐照敏感度仿真分析[J]. 太赫兹科学与电子信息学报, 2019, 17(6): 1045. LIU Enbo, LI Zhishen, CHEN Qi, ZHANG Yu. Simulation analysis of cable harsh electromagnetic irradiation susceptibility about electronics[J]. Journal of terahertz science and electronic information technology, 2019, 17(6): 1045.

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