Sparsity-Inducing Super-Resolution Passive Radar Imaging with Illuminators of Opportunity

Shunsheng Zhang 1,*, Yongqiang Zhang 1, Wen-Qin Wang 1, Cheng Hu 2 and Tat Soon Yeo 3 1 Research Institute of Electronic Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, China; [email protected] (Y.Z.); [email protected] (W.Q.W.) 2 Electronics and Information School, Beijing Institute of Technology, Beijing 100081, China; [email protected] 3 Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576, Singapore; [email protected] * Correspondence: [email protected]; Tel.: +86-28-6183-1163