4PURKAIT P,CHAKRAVORTI S.Pattern Classification of Impulse Faults in Transformers by Wavelet Analysis[J].IEEE Trans.on Dielectrics and Electrical Insulation,2002,9(4):555-561.
5MA X,ZHOU C,KEMP I J.Interpretation of Wavelet Analysis and Its Application in Partial Discharge Detection[J].IEEE Trans.on Dielectrics and Electrical Insulation,2002,9(3):446-457.