Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
726313 | The Journal of China Universities of Posts and Telecommunications | 2009 | 7 Pages |
Abstract
To generate complex pseudo-noise (PN) sequences for chaos-based communications, this article presents a novel switched hyperchaotic model, which is constructed based on a modified Chen system by introducing a dynamical controller. The system consists of two different hyperchaotic subsystems and can change its behavior randomly via a switching function. Basic dynamical behaviors of the hyperchaotic system are further investigated. Furthermore, the switched system is confirmed by its positive Lyapunov exponents and laboratory measurements by an electronic circuit.
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