Grating lobes suppression method for stepped frequency GB-SAR system
Tao Zeng, Cong Mao, Cheng Hu, Mao Zhu, Weiming Tian, and Jingjing Ren
Journal of Systems Engineering and Electronics . 2014, (6): 987 -995 .  DOI: 10.1109/JSEE.2014.00113