4Shabaneh N, Jean W Z. Nonlinear dynamic analysis of a rotor shaft system with viscoelastically supported bearings [J]. Journal of Vibration and Acoustics, 2003, 125(3): 290--298.
5Wang C, Lai J C S. Vibration analysis of an induction motor [J]. Journal of Sound and Vibration, 1999, 224(4): 733--756.
6Widdle Jr R D, Krousgrill Jr C M, Sudhoff S D. An induction motor model for high-frequency torsional vibration analysis [J]. Journal of Sound and Vibration, 2006, 290(3): 865--881.
7Holopainen T P, Tenhunen A, Arkkio A. Electromechanical interaction in rotor dynamics of cage induction motors [J]. Journal of Sound and Vibration, 2005, 284(3): 733--755.
8饶忠.列车牵引计算[M].北京:中国铁道出版社,1997.
9I.Daubechies.The wavelet transform,time-frequency localization and signal analysis[J].IEEETrans.IT,1990,36(5):961-1005.
10I.Daubechies.Ten lectures on wavelets[M].SIAM,Philadelphia,1992.