Beam steering SAR data processing by a generalized PFA

GC Sun, M Xing, XG Xia, Y Wu… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
For different applications with different requirements, many synthetic aperture radar (SAR)
modes have been developed in the literature, such as, Terrain Observation by Progressive …

A parameter-adjusting polar format algorithm for extremely high squint SAR imaging

Y Wang, J Li, J Chen, H Xu… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
The polar format algorithm (PFA) is a wavenumber domain imaging method for spotlight
synthetic aperture radar (SAR). The classic fixed-parameter PFA employs interpolation …

The polar format imaging algorithm based on double chirp-Z transforms

Y Tang, MD Xing, Z Bao - IEEE Geoscience and Remote …, 2008 - ieeexplore.ieee.org
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) …

Improved Parametric Polar Format Algorithm for High-Squint and Wide-Beam SAR Imaging

Z Meng, L Zhang, G Wang, J Lu - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
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 …

Multichannel full-aperture azimuth processing for beam steering SAR

GC Sun, M Xing, XG Xia, Y Wu… - … on Geoscience and …, 2013 - ieeexplore.ieee.org
Terrain Observation by Progressive Scans (TOPS) synthetic aperture radar (SAR) and
spotlight SAR are advanced SAR imaging modes for wide range swath and high resolution …

An improved PFA with aperture accommodation for widefield spotlight SAR imaging

B Fan, Y Qin, P You, H Wang - IEEE Geoscience and Remote …, 2014 - ieeexplore.ieee.org
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 …

A two-step wide-scene polar format algorithm for high-resolution highly-squinted SAR

X Nie, W Lei, L Zhuang - IEEE Geoscience and Remote …, 2022 - ieeexplore.ieee.org
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 …

Extension of range migration algorithm to squint circular SAR imaging

Y Lin, W Hong, W Tan, Y Wu - IEEE Geoscience and Remote …, 2011 - ieeexplore.ieee.org
This letter presents a new algorithm for squint circular synthetic aperture radar (SAR)(CSAR)
imaging, which is an extension of the well-known range migration algorithm. Due to the …

Orthorectified polar format algorithm for generalized spotlight SAR imaging with DEM

R Hu, BSMR Rao, M Alaee-Kerahroodi… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
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 …

A novel motion compensation approach for airborne spotlight SAR of high-resolution and high-squint mode

L Zeng, Y Liang, M Xing, Y Huai… - IEEE Geoscience and …, 2016 - ieeexplore.ieee.org
This letter proposes a new motion compensation approach for high-squint and high-
resolution airborne spotlight synthetic aperture radar (SAR) integrated with polar format …