Cramer-Rao bound of estimations of DOA and sensor errors for noncircular sources
YIN Jie-xin, WU Ying, WANG Ding, WANG Yun-long
Systems Engineering and Electronics . 2016, (4): 746 -752 .  DOI: 10.3969/j.issn.1001-506X.2016.04.04