5Mclnerny S A,Dai Y. Basic vibration signal processing for bearing {ault detection[J]. IEEE Transactions on Educa- tion, 2003,4(1) : 149-156. 被引量：1
6Huang N E,Shen Z,Long S R,et al. The empirical mode decomposition and the Hilbert spectrum {or nonlinear and non-stationary time series analysis[J]. Proceedings o{ The Royal Society A Mathematical, Physical and Engineering Sciences, 1998,454(1971) : 903-995. 被引量：1
7YAN Ruqiang,GAO R X. Approximate entropy as a diag- nostic tool {or machine health monitoring[J]. Mechaneial Systems and Signal Processing, 2007,21 (2) : 824-839. 被引量：1
8Pincus S M. Approximate entropy as a complexity measure [J]. Chaos,1995,5(1) 110-117. 被引量：1
9Fegeant O. Closed form solutions for the point mobilities of axi-symmetrically excited cylindrical shells[J]. Journal of Sound and Vibration,2001,243(1) :89-115. 被引量：1
10Scholkop{ B, Smola A, Muller K R. Nonlinear component analysis as a kernel eigenvalue problem[J]. Neural Com- putation, 1998,10(5) :1299-1319. 被引量：1
