A theoretical and experimental investigation of field homogeneity in absorber-lined chambers for radiated-susceptibility tests according to IEC 801-3 second edition

H. Garn, W. Mullner, R. Kremser
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引用次数: 4

Abstract

We have investigated to what extent a homogeneous test field can be achieved in absorber-lined chambers. Theoretical calculations using our computer program have shown that for horizontal polarization field variations of at least 20 dB will occur with linear antennas above a groundplane. Therefore either directional antennas or fully anechoic chambers should be preferred if a homogeneous test field is desired. Further parameters of relevance are test distance, antenna height above groundplane, antenna pattern and absorber reflectivity.<>
根据IEC 801-3第二版辐射敏感性试验用吸收衬里室场均匀性的理论和实验研究
我们已经研究了在多大程度上均匀的测试场可以实现在吸收衬里的室。利用我们的计算机程序进行的理论计算表明,对于水平极化场,在地平面以上的线性天线将发生至少20 dB的变化。因此,如果需要均匀的测试场,则应首选定向天线或完全消声室。其他相关参数包括测试距离、天线在地平面以上的高度、天线方向图和吸收体反射率
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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