For widefield synthetic aperture radar (SAR) imaging, range-dependent motion errors and
range curvature are the main obstacle for range cell migration correction (RCMC) and …

High-squint and wide-beam synthetic aperture radar (SAR) imaging is challenging for
current popular SAR imaging algorithms, because the severe spatial-variant motion error …

Polar format algorithm (PFA) is a widely used high-resolution SAR imaging algorithm that
can be implemented in advanced widefield staring synthetic aperture radar (WFS-SAR) …

In conventional polar format algorithm (PFA), the effective imaging scene is bounded to a
limited region near the reference point unless postprocessing is utilized. In a previous paper …

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 …

This letter proposes a new motion compensation approach for high-squint and high-
resolution airborne spotlight synthetic aperture radar (SAR) integrated with polar format …

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

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 …

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 …

Spotlight mode offers finer azimuth resolution than that achievable in stripmap mode using
the same physical antenna. The most popular spotlight synthetic aperture radar (SAR) …