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一种适用于水声信道的双模式盲均衡算法

张艳萍 赵俊渭 李金明

张艳萍, 赵俊渭, 李金明. 一种适用于水声信道的双模式盲均衡算法[J]. 电子与信息学报, 2005, 27(10): 1535-1538.
引用本文: 张艳萍, 赵俊渭, 李金明. 一种适用于水声信道的双模式盲均衡算法[J]. 电子与信息学报, 2005, 27(10): 1535-1538.
Zhang Yan-ping, Zhao Jun-wei, Li Jin-ming. A Dual-Mode Blind Equalization Algorithm for Underwater Acoustic Channel[J]. Journal of Electronics & Information Technology, 2005, 27(10): 1535-1538.
Citation: Zhang Yan-ping, Zhao Jun-wei, Li Jin-ming. A Dual-Mode Blind Equalization Algorithm for Underwater Acoustic Channel[J]. Journal of Electronics & Information Technology, 2005, 27(10): 1535-1538.

一种适用于水声信道的双模式盲均衡算法

A Dual-Mode Blind Equalization Algorithm for Underwater Acoustic Channel

  • 摘要: 针对常数模算法(CMA)和符号回归常数模算法(SR-CMA)存在的问题,提出了一种基于分数间隔的双模式常数模(DCMA)盲均衡算法。该算法将常规CMA算法和SR-CMA算法相结合,通过判决圆环完成两种算法之间的切换,根据信噪比确定判决圆环的边界。仿真结果表明,DCMA 的计算效率高于CMA,算法稳定性优于SR- CMA,而且可以获得较低的剩余均方误差。
  • Luo Z Q T, Mei Meng,Wong K M, Jian-Kang Zhang.A fract- ionally spaced blind equalizer based on linear programming[J].IEEE Trans. on Signal Processing.2002, 50(7):1650-1660[2]Endres T J.Equalizing with fractionally-spaced constant modulus and second order statistics blind receivers.[Ph.D. Dissertation], Ithaca, NY, Cornell University, 1997.[3]Sau-Gee Chen,Yung-An Kao, Kwung-Yee Tsai.A new efficient LMS adaptive filtering algorithm.Proceedings of TENCON '94. IEEE Region 10's Ninth Annual International Conference. Theme: Frontiers of Computer Technology. Aug. 1994,Vol. 2: 22 26, 644-648.[4]Koike S.Analysis of adaptive filters using normalized signed regressor LMS algorithm.IEEE Trans. on Signal Processing [see also IEEE Trans. on Acoustics, Speech, and Signal Processing] , 1999, 47(10): 2710-2723.[5]Costa M H, Bermudez J C M. A fully analytical recursive stochastic model to the normalized signed regressor LMS algorithm. 2003. Proceedings. Seventh International Symposium on Signal Processing and Its Applications, Volume: 2, July 14, 2003: 587-590.[6]王峰,赵俊渭,李桂娟等.一种常数模与判决导引相结合的盲均衡算法研究.通信学报,2002, 23(6):105-109.[7]Adam Zielinskj, Young-Hoon, Lixue Wu. Performance analysis of digital acoustic communication in a shallow water channel[J].IEEE of Oceanic Engineering.1995, 20(4):293-298[8]Johnson Jr C R. Schniter, P. Endres, J T, et al.. Blind equalization using the constant modulus criterion: a review.Proc. IEEE, 1998, 86(10): 1927-1949.
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出版历程
  • 收稿日期:  2004-05-19
  • 修回日期:  2004-09-24
  • 刊出日期:  2005-10-19

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