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Volume 31 Issue 6
Jun.  2009
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Gong Mei-jing, Qu Shao-cheng, Wang Xiao-yan. A Novel Method of Realizing Chaotic Secure Communication by Synchronization of Different Structure[J]. Journal of Electronics & Information Technology, 2009, 31(6): 1442-1444. doi: 10.3724/SP.J.1146.2008.00736
Citation: Gong Mei-jing, Qu Shao-cheng, Wang Xiao-yan. A Novel Method of Realizing Chaotic Secure Communication by Synchronization of Different Structure[J]. Journal of Electronics & Information Technology, 2009, 31(6): 1442-1444. doi: 10.3724/SP.J.1146.2008.00736

A Novel Method of Realizing Chaotic Secure Communication by Synchronization of Different Structure

doi: 10.3724/SP.J.1146.2008.00736
  • Received Date: 2008-06-03
  • Rev Recd Date: 2008-12-31
  • Publish Date: 2009-06-19
  • Based on two different chaotic systems synchronization and parameter modulation, a novel method of realizing chaotic secure communication is proposed in this paper. Information signals are used to modulate some parameter of a chaotic system in the sending terminal, based on Lyapunov stability theory, the proper controllers are designed to realize two different chaotic systems globally synchronization. The appropriate nonlinear filter is designed in the receiving terminal to make the information signals recover effectively, realizing the secure communication. The simulation results show that systems realize synchronization quickly, and the recovered signals are close to the information signals and it can realize secret communication successfully, having strong security and practicability.
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