1998•Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topicsRequires access

Synchronizing spatiotemporal chaos in coupled map lattices via active-passive decomposition

Wang Jinlan, Chen Guangzhi, Tuanfa Qin, Ni Wansun, Wang Xuming

Abstract

We realize spatiotemporal chaotic synchronization in coupled map lattices with active-passive decomposition synchronization schemes [K. Kocarev and U. Parlitz, Phys. Rev. Lett. 74, 5028 (1995)]. The synchronization conditions and the synchronization ranges are given in theory and demonstrated in numerical experiments. The further relation between the coupling strength and the synchronization efficiency is investigated numerically. This method offers high security and the signal can be recovered exactly. These properties make the method potentially useful in secure communication.

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Key concepts: Synchronizing, Synchronization (alternating current), Chaotic, Coupling (piping), Synchronization of chaos, Decomposition, Computer science, Control theory (sociology)