Corresponding author.Lijie Zhang was born in 1981. He received his M.S. and Ph.D. degrees in electronics and information engineering from College of Ma- fine, Northwestern Polytechnical University in 2004 and 2009, respectively. Now he works for Yichang Technique Research Institute. His cur- rent research interests include sonar signal pro- cessing and underwater acoustic communication. E-mail: zlj416@hotmail.com Jianguo Huang was born in 1945. He is a pro- fessor and doctoral advisor at College of Marine, Northwestern Polytechnical University. His cur- rent research interests are modern signal process- ing and underwater acoustic communication. E-mail: jghuang@nwpu.edu.cn Yong Jin was born in 1974. He is a full-time Ph.D. candidate in College of Marine, North- western Polytechnical University. His current re- search interests are array signal processing and statistics signal processing. E-mail: jy@henu.edu.cn Yunshan Hou was born in 1975. He is a full-time Ph.D. candidate in College of Marine, North- western Polytechnical University. His current re- search interests are array signal processing and synthetic aperture sonar. E-mail: houys20034@yahoo.com.cn Min Jiang was born in 1982. He is a full-time Ph.D. candidate in College of Marine, North- western Polytechnical University. His current re- search interest is MIMO signal processing. E-mail: jiangminsay@ 163.com Qunfei Zhang was born in 1968. He is an as- sociate professor at College of Marine, North- western Polytechnical University. His current re- search interests are advanced signal processing, acoustic and ocean engineering. Email: zhangqf@nwpu.edu.cn