Sparse flight spotlight mode 3-D imaging of spaceborne SAR based on sparse spectrum and principal component analysis
Kai ZHOU, Daojing LI, Anjing CUI, Dong HAN, He TIAN, Haifeng YU, Jianbo DU, Lei LIU, Yu ZHU, Running ZHANG
Journal of Systems Engineering and Electronics . 2021, (5): 1143 -1151 .  DOI: 10.23919/JSEE.2021.000098