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兵工学报 ›› 2004, Vol. 25 ›› Issue (5): 638-640.

• 研究简报 • 上一篇    下一篇

递推式空时自适应滤波器的研究

1:陶建武;2:常文秀,石要武   

  1. 1:空军航空大学;2:吉林大学通信工程学院
  • 收稿日期:2003-08-01 修回日期:2004-08-01 上线日期:2014-12-25
  • 通讯作者: 陶建武
  • 基金资助:
    国家自然科学基金资助项目(9872012)

Space-Time Adaptive Filter with Recursive Algorithm

1:Tao Jianwu;2:Chang Wenxiu, Shi Yaowu   

  1. 1:Aviation University;2:The Communication Academy, Jilin Limversity
  • Received:2003-08-01 Revised:2004-08-01 Online:2014-12-25
  • Contact: Tao Jianwu

摘要: 本文针对预警机雷达,提出了一种递推式空时二维自适应滤波器。此滤波器采用改进的随机梯度(M-LMS)递推算法,不需要计算杂波协方差矩阵及其逆矩阵,保留了系统自由度。仿真结果表明此算法具有较快的收敛速度,滤波性能较好,便于实时处理等特点。

关键词: 信息处理技术 , 预警机雷达 , 空时自适应滤波器 , 递推算法 , 杂波抑制

Abstract: For use with AEW radar, a new space-time adaptive filter with recursive algorithm was pro?posed. The recursive algorithm with M-LMS is adopted; calculation of the covariance matrix of clutter and its reverse matrix are not necessary, while the degree of freedom in the system is kept. Simulations were presented to show that the filter is characterized by rapidly convergent rate, good performance of tilter, and convenient implementation in real time.

Key words: information processing technique , airborne early warning radar , space-time adaptive filter , recursive algorithm , clutter suppression

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