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An Iteration-Time Combination Method to Reduce the Dynamic Degradation of Digital Chaotic Maps

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  • Yao Wu
  • Lingfeng Liu

Abstract

A new and improved method based on the number of iterations is proposed to reduce the dynamical degradation of the digital chaotic map in this study. We construct a control function by introducing iteration time instead of external systems, thereby replacing the control parameters in the original chaotic map. Experimental results show that the chaotic map based on the iteration-time combination method is more complicated and effective. The period is extended without completely destroying the phase space, which indicates that our method is effective and can compete with other proposed techniques. A type of pseudorandom bit generator based on the iteration-time combination method is proposed to demonstrate its simple application.

Suggested Citation

  • Yao Wu & Lingfeng Liu, 2020. "An Iteration-Time Combination Method to Reduce the Dynamic Degradation of Digital Chaotic Maps," Complexity, Hindawi, vol. 2020, pages 1-11, October.
    • Handle: RePEc:hin:complx:5707983
    DOI: 10.1155/2020/5707983
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    Cited by:

    1. Liu, Lingfeng & Wang, Jie, 2023. "A cluster of 1D quadratic chaotic map and its applications in image encryption," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 204(C), pages 89-114.

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