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几种传导电磁干扰软分离方法比较研究

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Keywords: 传导EMI,噪声分离,FastICA,现代谱估计,BP神经网络

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Abstract:

针对传统EMI噪声分离网络高频特性较差且价格昂贵的特点,对几种信号处理技术进行比较,最后提出了一种基于独立分量分析(ICA)技术、现代谱估计和BP神经网络识别相结合的传导电磁干扰噪声的软分离方法.实验结果表明,软分离方法可快速、有效地提取传导EMI噪声模态,从而为EMI噪声抑制提供理论依据.

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