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Volume 24 Issue 8
Aug.  2002
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LI Yubo, CHEN Miao. Construction of Nearly Perfect Gaussian Integer Sequences[J]. Journal of Electronics & Information Technology, 2018, 40(7): 1752-1758. doi: 10.11999/JEIT170844
Citation: Li Chunfu, Yu Juebang . disturbing method for noise reduction of chaotic signal with low signal-to-noise-ratio[J]. Journal of Electronics & Information Technology, 2002, 24(8): 1049-1053.

disturbing method for noise reduction of chaotic signal with low signal-to-noise-ratio

  • Received Date: 2000-12-27
  • Rev Recd Date: 2001-08-02
  • Publish Date: 2002-08-19
  • A new disturbing method for noise reduction of chaotic signal is presented, and a realizing example of this method-gradient disturbing method, is proposed. The noise-reduction capability of the gradient disturbing method for chaotic signal is experimentally studied, it is shown that the gradient disturbing method can obtain fairly good noise-reduction result for chaotic signal even if the signal-to-noise-ratio is low. How to choose the parameters used in the gradient disturbing method is also experimentally studied in this paper.
  • Chungyong Lee, D. B. Williams, Generalized iterative methods for enhancing contaminated chaotic signals, IEEE Trans. on Circuits and Systems-I, 1997, CAS-I-44(6), 501-512.[2]H.C. Papadopoulos, G. W. Wornell, Maximum-likelihood estimation of a class of chaotic signals,IEEE Trans. on Information Theroy, 1995, IT-41(1), 312-317.[3]S. Kay, V. Nagesha, Methods for chaotic signal estimation, IEEE Trans. on Signal Processing,1995, SP-43(8), 2013-2016.[4]Ling Cong, Wu Xiaofu, Sun Songgeng, A general efficient mcthod for chaotic signal estimation,IEEE Trans. on Signal Processing, 1999, IP-47(5), 1424-1428.[5]J.D. Farmer, J. Sidorowich, Optimal shadowing and noise reduction, Physica D, 1991, 47(3),373-392.[6]C. Myers, S. Kay, M. Richard, Signal separation for nonlinear dynamical systems, IEEE ICASSP,Minneapolis, Minnesota, 1992, IV, 129 132. [7]R. Cawley, G. H. Hsu, Local-geometric-projection method for noise rcduction in chaotic maps and flows, Physical Review A, 1992, 46(6), 3057-3082.
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