SAR Imagery Simulation from Complicated Targets Based on Back Projection Algorithm

This paper mainly focuses on the simulation analysis of squint synthetic aperture radar (SAR) images from complicated targets based on the electromagnetic (EM) scattering characteristics. For this purpose, the geometrical optics and physical optics (GO-PO) hybrid method is adopted to estimate the EM scattering characteristics from complicated targets in order to get the SAR echo data. When dealing with the obtained squint SAR echo, the back projection (BP) algorithm is utilized, of which the effectiveness is verified. On this basis, a simulation procedure for SAR images of complicate targets under squint mode is proposed. All the simulated results show the effectiveness of the simulation procedure.