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 …

Time-varying step-transform algorithm for high squint SAR imaging

X Sun, TS Yeo, C Zhang, Y Lu… - IEEE Transactions on …, 1999 - ieeexplore.ieee.org
High-squint angle synthetic aperture radar (SAR) imaging has applications in specific
situations such as providing looking angle-dependent scattering information and revisiting …

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 …

Azimuth resampling processing for highly squinted synthetic aperture radar imaging with several modes

M Xing, Y Wu, YD Zhang, GC Sun… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
The linear range walk yields a significant range-azimuth coupling effect in a highly squinted
synthetic aperture radar (SAR). Although the linear range walk correction (LRWC) technique …

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 …

Wide nonlinear chirp scaling algorithm for spaceborne stripmap range sweep SAR imaging

Y Wang, JW Li, J Yang - IEEE Transactions on Geoscience and …, 2017 - ieeexplore.ieee.org
The spaceborne stripmap range sweep synthetic aperture radar (SS-RSSAR) is a new
concept spaceborne SAR system that images the region of interest (ROI) with ROI-orientated …

An improved polar format algorithm with performance analysis for geosynchronous circular SAR 2D imaging

Q Liu, W Hong, W Tan, Y Lin, Y Wang, Y Wu - Progress In Electromagnetics …, 2011 - jpier.org
This paper presents an improved polar format algorithm (PFA) for geosynchronous synthetic
aperture radar which undergoes a near-circular track (GeoCSAR). GeoCSAR imaging …

An efficient backprojection algorithm based on wavenumber-domain spectral splicing for monostatic and bistatic SAR configurations

H Sun, Z Sun, T Chen, Y Miao, J Wu, J Yang - Remote Sensing, 2022 - mdpi.com
This paper introduces a fast backprojection synthetic aperture radar (SAR) imaging
algorithm based on wavenumber-domain spectral splicing. The traditional fast …

A new improved step transform algorithm for highly squint SAR imaging

L Wei, W Jun - IEEE Geoscience and Remote Sensing Letters, 2010 - ieeexplore.ieee.org
In this letter, a new improved step transform (IST) algorithm is developed for highly squint
stripmap synthetic aperture radar (SAR) imaging. Different from the previous step transform …

An azimuth frequency non-linear chirp scaling (FNCS) algorithm for TOPS SAR imaging with high squint angle

Y Wu, GC Sun, XG Xia, M Xing… - IEEE Journal of …, 2013 - ieeexplore.ieee.org
During the data acquisition of a squint terrain observation by progressive scan (TOPS)
synthetic aperture radar (SAR), the steering of the antenna main beam increases the …