A Fast Adaptive Beamforming Algorithm Based on Gram-Schmidt Orthogonalization

被引：0

作者：

Qian, Bing-Feng ^{[1
]}

Gao, Shi-Jie ^{[1
]}

Li, Quan-Feng ^{[1
]}

Zhang, Qian ^{[2
]}

Wang, Ye ^{[1
]}

机构：

[1] Shanghai Dianji Univ, Sch Mech, Shanghai 200240, Peoples R China

[2] Liverpool John Moores Univ, Dept Elect & Elect Engn, Rodney House,70 Mt Pleasant, Liverpool L3 5UX, Merseyside, England

来源：

JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS | 2021年 / 16卷 / 04期

关键词：

ADBF; GS; MRGS; RGS; Computer Simulation; STAP; PERFORMANCE; ARRAY;

D O I：

10.1166/jno.2021.3026

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Fast implementation is one of the important indexes of the ADBF algorithm. The advantages of the Gram Schmidt (GS) orthogonalization algorithm are that it can reconstruct the interference subspace well under the high signal-to-noise ratio and has fast convergence speed and low computational complexity. This paper studies the RGS algorithm for GS orthogonalization of sampling covariance matrix. To estimate the interference subspace more accurately, this paper modifies the orthogonal adaptive threshold of covariance matrix, and extends the proposed GS orthogonal algorithm of covariance matrix based on data preprocessing to the adaptive beamforming processing at subarray level.

引用

页码：642 / 650

页数：9

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