Joint 2-D angles and time delay estimation of coherent wideband signals Xiangzhi Li, Weijia Cui, Haiyun Xu, Songtao Yang, Hao Li, Yankui Zhang and Bin Ba MATEC Web Conf., 309 (2020) 01006 Published online: 04 March 2020 DOI: 10.1051/matecconf/202030901006