Residual high-order wavefront curvature error compensation for the polar format algorithm in widefield spotlight SAR imaging

S Han, D Zhu, X Mao - Remote Sensing Letters, 2021 - Taylor & Francis
Polar format algorithm (PFA) is an efficient image formation algorithm for spotlight-mode
synthetic aperture radar (SAR). However, the derivation of PFA relies upon the …

A Circular SAR Imaging Algorithm Based on Improved Polar Coordinate Scheme

S Lin, G Tan, H Luo - … on Image, Vision and Computing (ICIVC), 2022 - ieeexplore.ieee.org
An improved Polar Format Algorithm (PFA) of Circular SAR (CSAR) is proposed to solve the
problems of defocus and geometric distortion in far field. In this algorithm, a new kernel …