Guangcai Sun received the master's degree in communications engineering from the Xi’an University of Posts and Telecommunications, Xi’an, China, in 2006, and the Ph.D. degree in signal and information processing from Xidian University, Xi’an, in 2012.,He is currently an Associate Professor with the National Laboratory of Radar Signal Processing, and also with the Collaborative Innovation Center of Information Sensing and Understanding, Xidian University. He has authored or coauthored one book and more than 50 papers. His research interests include imaging of several synthetic aperture radar modes, moving target detection, and imaging.