河北师范大学学报—

期刊信息

刊名：河北师范大学学报（自然科学版）Journal of Hebei Normal University (Natural Science)
主办：河北师范大学
ISSN： 1000-5854
CN： 13-1061/N
中国科技核心期刊
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混响室内环境场强测量位置选取方法的仿真分析

纪凯夫¹

魏光辉¹

潘晓东¹

孟令媛²

1. 军械工程学院电磁环境效应国家级重点实验室, 河北石家庄 050003;
2. 工兵一所, 江苏无锡 214035
DOI： 10.13763/j.cnki.jhebnu.nse.2017.04.008

The Simulation Analysis of Selection of Environmental E-field Intensity Measurement Position in Reverberation Chamber

JI Kaifu¹, WEI Guanghui¹, PAN Xiaodong¹, MENG Lingyuan²

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摘要/Abstract

摘要：

为解决在混响室条件下进行装备辐射敏感度测试时环境场强难以度量的问题，运用电磁仿真软件FEKO基于平面波叠加原理构建混响室模拟场环境模型，采用隔离参数法仿真分析不同方向角、极化方向和相位角平面波辐照下环境场强位置选取准则；理论推导模拟混响室场环境的场强度量方法，并验证其正确性.最后，仿真分析了12个搅拌器位置下不同相对距离处的平均场强与环境场强的相对误差，并分析了受试设备电尺寸对测试位置选取的影响.结果表明，当测试相对距离大于0.10时，相对误差能够保证在±1.00dB，可应用于混响室环境场强的测试.

Abstract：

The environment e-field intensity is difficult to measure when the radiation susceptibility test is carried out in the reverberation chamber.In order to solve the problem,the electromagnetic simulation software FEKO is used to construct the simulation field environment of the reverberation chamber based on the plane wave superposition principle.The method of isolating parameters is used to simulate and analyze the selection of e-field intensity measurement position under different directions,polarizations and phase angles.Theoretical simulations derive the e-field intensity measurement method of the simulated environment of reverberation chamber,and verify its correctness.Finally,the relative error between the mean e-field intensity and the environment e-field intensity at different relative distances under 12 stirrer positions is simulated and analyzed.The influence of the electrical size of the EUT on the selection of the test position was also analyzed.It is concluded that the relative error can be decreased to ±1.00dB when relative distance is more than 0.10,which can be applied to the environment e-field intensity test in reverberation chamber.

关键词

关键词： 混响室 ; 平面波 ; FEKO ; 环境场强

Key words： reverberation chamber ; plane wave ; FEKO ; environmental field intensity

参考文献 11

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