8MOON FC, HOLMWS P J. A magnetoelastic strange attractor[J].Sound Vib. , 1979, 65 ( 2 ):285-296.
9MOON F C, HOLMWS P J. Addendum:a magnetoelastic strange attractor [J]. Sound Vib., 1980,69(2):339.
10WANG G Y, ZHENG W, HE S L. Estimation of amplitude and phase of a weak signal by using the property of sensitive dependence on initial conditions of a nonlinear oscillator[J].Signal processing. 2002, 82(1): 103-105.