无线电工程2025，Vol.55Issue(3)：520-525,6.DOI:10.3969/j.issn.1003-3106.2025.03.008
修正F型阵列的二维DOA估计
2D DOA Estimation for Modified F-shaped Arrays
刘佳奇 1屈德新 1张更新1
作者信息
- 1. 南京邮电大学 通信与信息工程学院,江苏 南京 210003
- 折叠
摘要
Abstract
For L-shaped arrays,with the improvement of the Signal to Noise Ratio(SNR)in the later stage of the two-dimensional Direction-of-Arrival(DOA)estimation parameter estimation process,the direction finding error hardly changes and remains at about 0.15°.A modified F-shaped array configuration is proposed,which makes full use of the signal information contained in the array elements without increasing the number of array elements,and uses twice Propagation Method(PM)algorithm to estimate the pitch angle and azimuth angle twice.The simulation results show that the array can realize the DOA estimation of the signal,and the lateral error is reduced to about 0.07° in the case of high SNR,compared with the uniform L-shaped array,the estimation accuracy of the array is increased by 53.3%in the case of high SNR,and the success rate is also increased by 20%in the case of a small number of snapshots,which has a more stable and accurate estimation accuracy.关键词
阵列信号处理/波达方向估计/传播算子算法/阵列优化Key words
array signal processing/DOA estimation/PM algorithm/array optimization分类
电子信息工程引用本文复制引用
刘佳奇,屈德新,张更新..修正F型阵列的二维DOA估计[J].无线电工程,2025,55(3):520-525,6.
