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加权顺序统计滤波器的新的表示与优化算法

宋焕生;王养利;吴成柯   

  1. (西安电子科技大学 综合业务网理论及关键技术国家重点实验室, 陕西 西安 710071)

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2004-12-20 发布日期:2004-12-20

New expression for and optimization of weighted order statistic filters

SONG Huan-sheng;WANG Yang-li;WU Cheng-ke

  

  1. (State Key Lab. of Integrated Service Networks, Xidian Univ., Xi'an 710071, China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2004-12-20 Published:2004-12-20

摘要: 给出了加权顺序统计滤波器(WOS)的一种新的表示形式,其重要性在于它使得WOS滤波器在MAE,MSE和LNE准则下的优化问题的求解非常容易.从这一表示形式出发,导出了WOS滤波器在MAE,MSE及LNE准则下的新的自适应优化设计算法,并进行了实验验证,比较圆满地解决了WOS滤波器的优化设计问题.

关键词: 非线性滤波, 顺序统计, 滤波器设计, 优化算法

Abstract: A new expression for weighted order statistic(WOS) filters has been developed. The importance of this expression is that it makes it very easy to solve the optimization problem of WOS filters under MAE, MSE and LNE criteria. From this expression, the adaptive algorithms for optimizing WOS filters on the LNE criterion(with MAE and MSE criteria as its special cases) have been proposed. The effectiveness of the algorithm is verified by experiments, so the optimization problem of WOS has been resolved.

Key words: nonlinear filtering, order statistic, filter designing, optimization algorithm

中图分类号: 

  • TN919