[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) …

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 …

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 …

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 …

[HTML][HTML] 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 …

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 …

Integrating motion compensation with polar format interpolation for enhanced highly squinted airborne SAR imagery

F Wang, L Zhang, Y Cao, G Wang - IEEE Access, 2019 - ieeexplore.ieee.org
Spatial-variant motion compensation (MOCO) is critical for high resolution and highly
squinted airborne synthetic aperture radar (SAR) imaging. Conventional imaging strategies …

A modified space-variant phase filtering algorithm of PFA for bistatic SAR

S Han, D Zhu, X Mao - IEEE Geoscience and Remote Sensing …, 2021 - ieeexplore.ieee.org
Wavefront curvature effects grow worse in spotlight Bistatic synthetic aperture radar (BSAR)
imagery when reconstructed via polar format algorithm (PFA) under the large-scale scene …

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 …

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 …