Hidden Coexisting Attractors in a Chaotic System Without Equilibrium Point

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Abstract
This paper proposes a new three-dimensional chaotic system with no equilibrium point but can generate hidden chaotic attractors. Dynamic characteristics of the system are analyzed in detail by theoretical analysis and simulating experiments, including hidden attractors, transient period and coexisting attractors. Different hidden coexisting attractors exist in this system, which shows abundant and complex dynamic characteristics and can be used to generate pseudorandom sequences for encryption fields. Besides, the presented system is realized by the digital signal processing (DSP) technology to construct a chaotic signal generator, whose statistical properties are tested by National Institute of Standards and Technology (NIST) software. The obtained results are better than that of the Lorenz system and imply the presented system can be used in the encrypted fields.
Funding Information
  • The National Natural Science Foundation of China (61771176)
  • The National Natural Science Foundation of China (61271064)
  • The Program for Zhejiang Leading Team of S&T Innovation (2010R50010)

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