Ryusuke Imai, Yasuhiro Hashimoto, Ken Kikuchi, Shoji Fujii; High-resolution beamforming by Wigner-Ville distribution method, Proceedings of the 1998 International Symposium on Underwater Technology, pp. 499 - 503, April 1998.
Ryusuke Imai received the B.S. degree in communication engineering in 1994 from the University of Tohoku, Japan. Since 1994, he has been an engineer at the Telecommunications System Group, Hitachi Ltd. His research is about sonar signal processing including the realization of the high resolution sonar like in this paper.