High-Accuracy DOA Estimation Algorithm at Low SNR Through Exploiting a Supervised Index - Xu, Kaijie; Xing, Mengdao; Zhang, Rui; E, Hanyu; Sha, Minghui; Nie, Weike; Quan, Yinghui (IEEE transactions on aerospace and electronic systems, 2022)
Keywords: Accuracy; Algorithms; Array signal processing; Arrays; Breakdown; Closed loops; Correlation; Correlation analysis; Cost function; Direction of arrival; direction of arrival (DOA); Direction-of-arrival estimation; Eigenvalues; Eigenvalues and eigenfunctions; Estimation; Indexes; Parameter modification; root-mean-square error (RMSE); Signal processing; signal subspace; Signal to noise ratio; Similarity; Subspaces; Transformations (mathematics)