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 …

Widefield Parametric Polar Format Algorithm for Spotlight SAR Imaging

Z Meng, L Zhang, L Chen - IEEE Journal of Selected Topics in …, 2023 - ieeexplore.ieee.org
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 …

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 …

[HTML][HTML] An Extended Polar Format Algorithm for Joint Envelope and Phase Error Correction in Widefield Staring SAR with Maneuvering Trajectory

Y Liang, Y Liang, X Wang, J Li, M Xing - Remote Sensing, 2024 - mdpi.com
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) …

Extended Polar Format Algorithm (EPFA) for High-Resolution Highly Squinted SAR

P Guo, F Wu, A Wang - Remote Sensing, 2023 - mdpi.com
The conventional polar format algorithm (CPFA) is widely used for synthetic aperture radar
(SAR) because of its simple and efficient operations. However, due to its wavefront curvature …

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) …

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 …

Extended Polar Format Algorithm and Video-SAR Image Generation Scheme for Very High-Resolution Curvilinear Spotlight SAR

C Yang, F Zhao, Y Deng, K Liu, F Zhao… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Curvilinear spotlight synthetic aperture radar (CSSAR) has a high degree of freedom and
can be used for 3-D imaging and video SAR (ViSAR) persistent imaging. The direct and …

A CZT-based continuous varying PRF polar format algorithm for highly squinted spotlight SAR

X Qiu, C Li, J Li, X Zhao, Y Wang - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
The polar format algorithm (PFA) is a classic algorithm for processing spotlight synthetic
aperture radar (SAR) data and is extensively used in practical applications nowadays …

Extension of polar format algorithm to CSAR imaging for arbitrary region of interest

S Gui, J Li, J Hao, F Zuo, Y Pi - IGARSS 2019-2019 IEEE …, 2019 - ieeexplore.ieee.org
We propose a fast algorithm to circular synthetic aperture radar (CSAR) imaging for arbitrary
region of interest (ROI). This algorithm is an extension of traditional CSAR polar format …