[an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive]
[an error occurred while processing this directive]

弹箭与制导学报 >

2018 , Vol. 38 >Issue 3: 33 - 36,45

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2018.03.008

导弹与制导技术

基于RLS算法的自适应波束形成性能研究

  • 冯晓宇 ,
  • 谢军伟 ,
  • 张晶 ,
  • 张昭建 ,
  • 王博
展开
  • 1 空军工程大学防空反导学院, 西安 710051
    2 陕西交通职业技术学院, 西安 710018

冯晓宇(1994-),男,重庆潼南人,硕士研究生,研究方向: 基于FDA的复杂电磁环境构建技术。

收稿日期: 2017-07-03

  网络出版日期: 2025-05-30

收起

Research on Performance of Adaptive Beamforming Based on RLS Algorithm

  • FENG Xiaoyu ,
  • XIE Junwei ,
  • ZHANG Jing ,
  • ZHANG Zhaojian ,
  • WANG Bo
Expand
  • 1 Air and Missile Defense College, Air Force Engineering University, Xi'an 710051, China
    2 Shaanxi College of Communication Technology, Xi'an 710018, China

Received date: 2017-07-03

  Online published: 2025-05-30

Fold

摘要

针对阵列信号处理过程中,存在指向误差、阵元位置误差及阵元相位误差(统称为相位误差)时,常规线性约束最小方差(LCMV)算法性能急剧下降的问题,仿真分析了递推最小二乘(RLS)算法应用于自适应波束形成的稳健性。该算法采用递推法求取最优权矢量,收敛速度快,数值稳定性高,具有良好的输出信干噪比,能够最大程度的使方向图主瓣对准信号,零陷对准干扰。仿真结果验证了该算法在相位误差存在情况下的稳健性。

关键词： 相位误差; 线性约束最小方差准则; 递推最小二乘; 自适应波束形成; 最优权矢量

本文引用格式

冯晓宇 , 谢军伟 , 张晶 , 张昭建 , 王博 . 基于RLS算法的自适应波束形成性能研究[J]. 弹箭与制导学报, 2018 , 38(3) : 33 -36,45 . DOI: 10.15892/j.cnki.djzdxb.2018.03.008

Abstract

In the array signal processing, when there are pointing error, sensor position error and array element phase error (they are collectively called phase error), the performance of the conventional linearly constrained minimum variance (LCMV) algorithm will degrade significantly. Aiming at this problem, this paper simulates and analyzes the robustness of the recursive least squares (RLS) algorithm being applied to the the adaptive beam forming. The recursive algorithm is used to obtain the optimal weight vector, which has fast convergence speed, high numerical stability and good output signal to interference plus noise ratio. This algorithm can ensure the main lobe of the pattern pointing the direction of the signal, and nulling to the interference. Simulation results show that the algorithm has good robustness in the presence of phase errors.

Key words： phase error; linearly constrained minimum variance norm; recursive least squares; robust adaptive beam forming; optimalweight vector

[an error occurred while processing this directive]

参考文献

[1]
ROH W,SEOL J Y,PARK J,et al. Millimeter-wave beamforming as an enabling technology for 5G cellular communications: theoretical feasibility and prototype results[J]. IEEE Communications Magazine,2014, 52(2): 106- 113.
[2]
黄磊. 非理想条件下的自适应波束形成算法研究[D]. 合肥: 中国科学技术大学,2016.
[3]
林建强. 稳健自适应波束形成算法研究[D]. 南京: 南京理工大学,2015.
[4]
邓欣,廖桂生,刘宏清. 递归的稳健LCMV 波束形成算法[J]. 系统工程与电子技术,2007,29(3): 449-452.
[5]
LORENZ R G,BOYD S P. Robust minimum variance beamforming[J]. IEEE Transactions. on Signal Processing,2005,53(3): 1684-1696.
[6]
LI J,STOCICA P. Roubust adaptive beamforming[M]. John Wiley & Sons Inc. ,2005.
[7]
LI Jian,STOCICA P,WANG Zhisong. On robust Capon beamforming and diagonal loading[J]. IEEE Transactions on Signal Processing,2003,51(7): 1702-1715.
[8]
张小飞,陈华伟,仇小锋. 阵列信号处理及MATLAB 实现[M]. 北京: 电子工业出版社,2015: 50-60.
[9]
路成军,盛卫星,韩玉兵,等. 基于可变加载的稳健并行波束形成算法[J]. 南京理工大学学报,2013,37(3): 371-377.
[10]
安毅,吕昕,高本庆. RLS 波束形成算法在相干干扰环境中的应用[J]. 系统工程与电子技术,2001,23(8): 33-35.
[11]
GU Jing. Robust beamforming based on variable loading[J]. Electronics Letters,2005,41(2): 55-56.
Options
文章导航

/

〈 〉

[an error occurred while processing this directive]