›› 2013, Vol. 26 ›› Issue (11): 51-.

• 论文 • 上一篇    下一篇

基于RMMSE的自适应滤波算法分析

曲勇   

  1. (西安电子科技大学 电子工程学院,陕西 西安 710071)
  • 出版日期:2013-11-15 发布日期:2013-11-19
  • 作者简介:曲勇(1988—),男,硕士研究生。研究方向:雷达对抗,雷达信号处理。E-mail:taijun80@sina.cn

Analysis of Adaptive Filtering Algorithm Based on RMMSE Criteria

QU Yong   

  1. (School of Electronic Engineering,Xidian University,Xi'an 710071,China)
  • Online:2013-11-15 Published:2013-11-19

摘要:

针对扩展目标的高分辨距离像估计问题,在考虑接收窗外强散射中心的影响条件下,研究了以最小均方误差(MMSE)为准则的自适应滤波方法,该算法通过迭代得到各个距离单元上的距离像估计值。文中通过仿真试验分析对比了RMMSE算法、匹配滤波算法和LS算法的性能。仿真结果证明,在接收窗外存在强散射中心的情况下,RMMSE算法能够有效提取目标多个散射中心。

关键词: 最小均方误差;自适应滤波;扩展目标

Abstract:

In view of the strong out-of-window scatterers,an adaptive filter based on minimum mean square error (MMSE) criteria is employed to estimate the high range resolution profile of the extended target.This approach estimates the amplitudes of each range cell in an iterative way.A simulated performance comparison is made between the Reiterative-MMSE (RMMSE) algorithm and the matched filter and least-squares (LS) algorithm.Simulation results show that the algorithm can estimate the amplitudes of the multiple scatterers effectively.

Key words: minimum mean-square error(MMSE);adaptive filtering;extended target

中图分类号: 

  • TN957.51