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传导性EMI噪声的模态分离与噪声抑制问题探讨

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Keywords: 传导性干扰,噪声分离,智能诊断,噪声抑制,电磁兼容

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Abstract:

对传导性电磁干扰(EMI)噪声的模态分离包括基于硬件器件和基于算法的软分离方法及其优缺点进行了分析和比较,同时给出了抑制噪声的功率线滤波器设计方法,并讨论了传导性电磁干扰噪声全智能诊断和处理装置.给出了部分实验结果,对其中一些方法作了实验对比.结果表明,基于分相器/混和器的噪声分离网络具有更好的高频特性,且网络插损和噪声模态抑制特性能够满足工程精度要求,但网络制造成本较高.

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