2GRASSI G,MILLER D A.Theory and experimental realization of observer-based discrete-time hyperchaos synchronization[J].IEEE Trans Circuits Syst Ⅰ,2002(49):373-378.
3GRASSI G,MASCOLO S.Synchronization hyperchaotic systems by observer design[J].IEEE Trans Circuits Syst Ⅱ,1999(46):478-483.
4GRASSI G,MASCOLO S.Nonliner observer design to synchronize hyperchaotic systems via a scalar signal[J].IEEE Trans Circuits Syst Ⅰ,1997(44):1011-1014.
5FRIDRICH J.Image Encryption Based on chaotic Maps[C].IEEE Int Conf Systems and Stimulations.1997:1105-1110.
