2[2] Heny D I A,Linsay P S.Secure Communications and Unstable Periodic Orbits of Strange Attractor[J]. IEEE Trans Circuits and System,1993,40(10):643~645.
3[3] Kevin M Cuomo, Alan V Oppenheim, Steven H Strogatz.Synchronization of Loren-based Chaotic Circuits with Applications to Communications[J]. IEEE Transaction on Circuits and Systems-Ⅱ, Analong and Digital Signal Processing, 1993,40(10):626~632.