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用射线法预测电波暗室的性能 被引量:2

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摘要 本文探讨了一种预测 EMC电波暗室归一化场地衰减 (NSA)的方法。此方法是按照暗室的 NSA测试过程,依据几何光学理论来计算接收天线处的场强值,并转化为 NSA的计算值。根据计算所得的 NSA值可以为暗室性能的预测提供参考。本文通过所编制的计算程序,计算了以铁氧体为吸波材料的 3米法暗室的 NSA值,并对计算结果进行了分析和讨论。此方法既适用于 3米法暗室,也适用于 10米法暗室,同时对由于空间所限而设计的不规则暗室也有一定的参考价值。
出处 《安全与电磁兼容》 2000年第4期29-33,共5页 Safety & EMC
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