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梯度向量正交的相关函数自适应滤波算法

高鹰 谢胜利

高鹰, 谢胜利. 梯度向量正交的相关函数自适应滤波算法[J]. 电子与信息学报, 2004, 26(2): 318-321.
引用本文: 高鹰, 谢胜利. 梯度向量正交的相关函数自适应滤波算法[J]. 电子与信息学报, 2004, 26(2): 318-321.
Gao Ying, Xie Sheng-li. Gradient Vectors Orthogonalization Based Adaptive Filtering Algorithm for Correlation Function[J]. Journal of Electronics & Information Technology, 2004, 26(2): 318-321.
Citation: Gao Ying, Xie Sheng-li. Gradient Vectors Orthogonalization Based Adaptive Filtering Algorithm for Correlation Function[J]. Journal of Electronics & Information Technology, 2004, 26(2): 318-321.

梯度向量正交的相关函数自适应滤波算法

Gradient Vectors Orthogonalization Based Adaptive Filtering Algorithm for Correlation Function

  • 摘要: 该文把Asharif(1999)定义的相关函数均方误差(MSE)准则Jr(n)=E「eT(n)Ce(n)」改为时变的遗忘因子指数加权最小二乘误差(LSE)准则Jr(n)=nt=0 n-teT(n)Ce(n),对这一准则利用梯度法,使当前时刻的梯度向量正交于前一时刻的梯度向量而得到一种新的相关函数自适应滤波算法.计算机仿真结果表明新算法的收敛性能优于Asharif提出的ECLMS算法.
  • Haykin S. Adaptive Filtering Theory. Third edition, Englewood Cliffs, New Jersey: Prentice-Hall Inc., 1996, 56-59.[2]Benesty J, Morgan D R, Cho J H. A new class of doubletalk detectors based on cross-correlation.IEEE Trans. on Speech and Audio Processing, 2000, 8(2): 162-172.[3]Asharif M R, Hayashi T, Yamashita K. Correlation LMS algorithm and its application to doubletalk echo canceling. Electronics Letters., 1999, 41(3): 194-195.[4]Asharif M R, Rezapour A, Ochi H. Correlation LMS algorithm for double-talk echo canceller. In the Proc. of IEICE National Conference, Japan, March 1998, A-4-13: 122-124.[5]Asharif M R, Hayashi T. Correlation LMS for double-talk echo canceling. Proc. of the IASTED International Conference, Modelling and Simulation(MS99), Philadelphia, PA(Cherry Hill, New Jersey) USA, May 1999: 249-253.[6]高鹰,谢胜利.基于相关函数的递推最小二乘算法及其在回波消除中的应用.通信学报,2002,23(9):114-119.[7]Asharif M R. Atsushi Shimabukuro, Takahiro Hayashi, Katsumi Yamashita[J].Expanded CLMS algorithm for double-talk echo cancelling. System, Man and Cybernetics, 1999, IEEE SMC99 Conference Proc. Tokyo.1999, vol.1:998-1002[8]Luenberger D G. Linear and Nonlinear Programming. MA: Addison-Wesley, 1984: Chapter 2.
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出版历程
  • 收稿日期:  2002-11-09
  • 修回日期:  2003-01-28
  • 刊出日期:  2004-02-19

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