DOA Estimation of Coherent Signals Based on the Toeplitz Matrix Reconstruction
Jiangli Zhang · Electronic Information Warfare Technology · 2010
A new DOA estimation algorithm of coherent signals based on Toeplitz matrix reconstruction is proposed.This algorithm is implemented through arranging the received data correlation function of each array element and reference array element(the first array element) and form a Hermitian Toeplitz matrix firstly.Then through the singular value decomposition of the matrix,the signal subspace and noise subspace can be arrived in order to achieve the DOA estimation of coherent sources.The new approach,without reducing the aperture of array,increases the ability of discernment under the same SNR,the simulation results show that the proposed method is effective.