关于在露天试验场进行电磁干扰测量的说明。7. 辐射测量用电力线阻抗的稳定

IEEE 1991 International Symposium on Electromagnetic Compatibility Pub Date : 1991-08-12 DOI:10.1109/ISEMC.1991.148280

A. Maeda, S. Kaifuchi

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摘要

第6页见同上(1990)。通过实验确定被测设备射频发射电平的测量值因测量位置的不同而不同的原因之一，确定了电力线阻抗特性变化的不稳定性。尝试定义30 mhz频率范围以上的电源线阻抗提供了一些解决方案，以帮助在EMI(电磁干扰)水平上获得相同的结果。

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Note on EMI measurement at open field test site. 7. Stabilization of power line impedance for radiation measurement

For pt.6 see ibid. (1990). Through experiments to establish why measured values of the RF emission level from equipment under test differ according to measuring location, it was confirmed that one of the reasons is derived from the instability in the power line impedance characteristic change. Attempts to define the power line impedance above 30-MHz frequency range provide some solutions to help obtaining identical results in EMI (electromagnetic interference) level.<>

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IEEE 1991 International Symposium on Electromagnetic Compatibility

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