4MALLAT S.A wavelet tour of signal processing[M].Beijing:China Machine Press,2003.
5MALLAT S,HWANG W.Singularity detection and processing with wavelets[J].IEEE Transactions on Information Theory,1992,38(2):617-643.
6BAYDAR N,BALL A.Case study:detection of gear failures via vibration and acoustic signals using wavelet transform[J].Mechanical Systems and Signal Processing,2003,17(4):787-804.
7SUN Q,TNAG Y.Singularity analysis using continuous wavelet transform for bearing fault diagnosis[J].Mechanical Systems and Signal Processing,2002,16(6):1025-1041.
8TU C,HWANG W,HO J.Analysis of singularities from modulus maxima of complex wavelets[J].IEEE Transactions on Information Theory,2005,51(3):1049-1062.