Focusing Highly Squinted SAR Data of a Short-Range Wide-Swath Region Using Azimuth-Dependent High-Order RCMC and Frequency Extended Nonlinear Chirp Scaling Based on Equidistant Sph... oleh Hua Zhong, Jianhua Huang, Mengyuan Wang, Han Wu, Yingcheng Ding, Hao Nai, Jiunan Dong, Shenghao Zhang