4Yuan Jing, He Zhengjia, Zi Yanyang, et al. Adaptive multiwavelets via two-scale similarity transforms for rotating machinery fault diagnosis [J]. Mechanical Systems and Signal Processing, 2009, 23: 1 490-1 508.
5Leng Yonggang, Wang Taiyong, Guo Yan, et al. Engineering signal processing based on bistable stochastic resonance[J]. Mechanical Systems and Signal Processing, 2007,21 : 138-150.
6Qu Liangsheng, Lin Jing. A difference resonator for detecting weak signals [J]. Measurement, 1998, 18: 69-77.
7Li Chongsheng, Qu Liangsheng. Applications of chaotic oscillator in machinery fault diagnosis[J]. Mechanical Systems and Signal Processing, 2007, 21: 257-269.
8Hu Mingkuei. Visual pattern recognition by moment Invariants [J]. IRE Trans. Information Theory, 1962,8(2) : 179-187.
