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In this paper, a new secure communication scheme based on the Gao hyperchaotic system is proposed. In this scheme, message signal is encrypted and is modulated as a parameter of the Gao hyperchaotic system and generated hyperchaotic signals are transmitted to the receiver. Some adaptation laws are applied to retrieve the message signal from the received hyperchaotic signals. More, two analog electronic...
In this paper a new hyperchaotic system is proposed by sinusoidal perturbation of the three-dimensional Qi chaotic system. The sinusoidal perturbation term is added to one of the constant parameters of Qi chaotic system. Then, hyperchaos phenomenon is appeared in the mentioned system by changing amplitude and frequency of the sinusoidal perturbation term. To show the introduced system has hyperchaotic...
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