This talk outlines the recent achievements and directions of complementary waveforms, like Golay pairs, for radar/sonar moving target detection. While theoretically offering sidelobe-free autocorrelation ideal for resolution, their practical application is hindered by acute Doppler sensitivity, which generates high sidelobes that mask targets. Recent research has effectively addressed this by moving beyond sequence design to optimize the and receiving weights, with methods such as Binomial Design and PTM sequences suppressing sidelobes around the zero-Doppler axis. Further progress includes novel joint design algorithms that enhance Doppler resolution and advanced delay-Doppler map processors (e.g., Pointwise Minimization) that suppress sea clutter and sidelobes by over 10dB. Looking forward, key avenues involve integrating these waveforms with MIMO radar for superior performance, exploring AI-driven design, and validating these theories through practical experiments.

Biography:

Jiahua Zhu (Senior Member, IEEE) received the B.S. degree in electronic engineering and the Ph.D. degree in information and communication engineering from the National University of Defense Technology, Changsha, China, in 2012 and 2018, respectively. He is currently an Associate Professor and the Master’s Supervisor with the College of Meteorology and Oceanography, National University of Defense Technology. From November 2015 to November 2017, he was a Visiting Ph.D. Student with the School of Engineering, RMIT University, and the Department of Electrical and Electronic Engineering, University of Melbourne, Australia. His current research interests include waveform design and target detection for radar and sonar. He received the “Maritime Power Youth Scientist” Honorary Title, the IEEE ICCCAS Outstanding Young Scholar Award, SPIE ICSPS Young Researcher Award, 3 Best/Excellent Paper Award, and the outstanding Ph.D. degree thesis of the Chinese People’s Liberation Army (PLA), 2020. He is a Technical Committee Co-Chair of IEEE Oceanic Engineering Society, a Program (Co-)Chair of IEEE ICSIP, ICFEICT and IEEE ICCCAS, an Editorial Board Member of IEEE SIGNAL PROCESSING LETTERS, IET Signal Processing, a Topical Advisory Panel Member/Lead Guest Editor of Remote Sensing, and the Lead Guest Editor of IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING.