期刊
PHYSICS LETTERS A
卷 376, 期 36, 页码 2490-2495出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2012.06.031
关键词
Mixed synchronization; Chaotic circuit; Adaptive linear controller; Cryptography
资金
- BRNS/DAE, India [2009/34/26/BRNS]
We report experimental evidence of mixed synchronization in two unidirectionally coupled chaotic oscillators using a scalar coupling. In this synchronization regime, some of the state variables may be in complete synchronization while others may be in anti-synchronization state. We extended the theory by using an adaptive controller with an updating law based on Lyapunov function stability to include parameter fluctuation. Using the scheme, we implemented a cryptographic encoding for digital signal through parameter modulation. (C) 2012 Elsevier B.V. All rights reserved.
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