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In contrast to Fourier transform,wavelet transform is especially suitable for transient analysis because of its time-frequency characteristics with automatically-adjusted window lengths.Research shows that wavelet transform is one of the most powerful tools for power system transient analysis.The basic ideas of wavelet transform are presented in the paper together with several power system applications,It is clear that wavelet transform has some clear advantages over other transforms in detecting.analyzing,and identifying various types of power system transients. 相似文献
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