DOA estimation based on independent component analysis and least square
NIU De-zhi, CHEN Chang-xing, XU Hao-xiang, TANG Dong-li,QU Kun, WANG Xu-jing
Systems Engineering and Electronics . 2014, (9): 1687 -1695 .  DOI: 10.3969/j.issn.1001-506X.2014.09.03