一个通过混沌同步实现保密通信的新方法
A New Way to Secue Communication via Chaotic Syncronization
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摘要: 提出一个通过混沌同步实现保密通信的新方法。用变型蔡氏电路为例,数值模拟证明了这个方法是非常成功的。它的优点是信息信号能够和混沌载波信号一样大,因此当仅发射一个信号时也能达到很高的信噪比,并实现极好的混沌同步与高保真的信号恢复。
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关键词:
- 混沌同步; 混沌保密通信; 变型蔡式电路
Abstract: This paper puts foward a novel way to achieve chaotic synchronization. Take the modified Chua s circuit as example, the numerical simulation shows this way is very successful. The message signal can be as large as the chaotic carrier signal, so the signal-to-noise ratio can be very high even when only one signal is transmitted. The synchronization is excellent and the retrieved signal is virtually perfect. -
L.J. Kocarev, et al., Experimental demonstration of secure communications via chaotic synchronization, Int. J. Bifurcation and Chaos, 1992, 2(3), 709-713.[2]U. Parlitz, et al., Transmission of digital signals by chaotic synchronization, Int. J. Bifurcation and Chaos, 1992, 2(4), 973-977.[3]Y.Z. Yin, Synchronization of chaos in a modified Chuas circuit using continuous control, Int. J. Bifurcation and Chaos, 1996, 6(11), 2101-2117.[4]Y.Z. Yin, Experimental demonstration of chaotic synchronization in the modified Chuas circuits, Int. J. Birurcation and Chaos, 1997, 7(6), 1401-1410. -
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