The Polar Format Algorithm (PFA) is the most suitable imaging algorithm for high-resolution
and highly-squinted spotlight Synthetic Aperture Radar (SAR), but the approximation of …

The approximation of planar wavefront in traditional Polar Format Algorithm (PFA) limits the
effective scene size of PFA for high-resolution squinted Synthetic Aperture Radar (SAR). In …

The polar format algorithm (PFA) is a wavenumber domain imaging method for spotlight
synthetic aperture radar (SAR). The classic fixed-parameter PFA employs interpolation …

Traditional polar format algorithm (PFA) is widely used in high-resolution and highly-
squinted (HRHS) synthetic aperture radar (SAR) systems, because of its unique decoupling …

This paper presents an effective Polar Format Algorithm (PFA) for spotlight bistatic synthetic
aperture radar (SAR) with arbitrary geometry configuration. Nonuniform interpolation and …

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 …

Polar format algorithm (PFA) is a popular imaging algorithm for squint mode SAR due to its
high computational efficiency and high focus accuracy. However, when the radar platform …

Abstract The Polar Format Algorithm (PFA) is suitable for spotlight synthetic aperture radar
(SAR) image focusing either in monostatic or bistatic cases. The classic linear-trajectory PFA …

This letter presents an improved polar format algorithm for nonlinear aperture and widefield
spotlight synthetic aperture radar imaging. In the proposed algorithm, the chirp z transform is …

For conventional polar format algorithm (PFA), because of the image distortion and defocus
caused by the plane-wave assumption, the effective imaging scene is bounded to a small …