A fast back-projection algorithm based on equivalent slant range model for high-squint SAR imaging

GT Xu, T Ca, Y Li, T Zhang - 2023 - IET
Because back-projection algorithm (BPA) is independent of the azimuth-invariant hypothesis
of the echo signal, it has significant advantages for synthetic aperture radar (SAR) imaging …

A modified Cartesian factorized backprojection algorithm integrating with non-start-stop model for high resolution SAR imaging

D Liang, H Zhang, T Fang, H Lin, D Liu, X Jia - Remote Sensing, 2020 - mdpi.com
High resolution synthetic aperture radar (SAR) imaging has extensive application value
especially in military reconnaissance and disaster monitoring. The motion of the satellite …

[PDF][PDF] Application of fast factorized back-projection algorithm for high-resolution highly squinted airborne SAR imaging

L Zhang, H Li, Z Xu, H Wang, L Yang, Z Bao - Sci. China, 2017 - scis.scichina.com
In squinted synthetic aperture radar (SAR) imaging, the range-azimuth coupling requires
precise range cell migration correction (RCMC). Moreover, for high-resolution airborne SAR …

A modified range Doppler algorithm for high-squint SAR data imaging

Y Guo, P Wang, Z Men, J Chen, X Zhou, T He, L Cui - Remote Sensing, 2023 - mdpi.com
The high-squint airborne Synthetic Aperture Radar (SAR) has the ability to detect the target
area flexibly, and the detection swath is significantly increased compared with the side …

Two-step imaging algorithm for airborne parallel high squint SAR

JH Ran, JY Zhang, YJ Wu - 电子与信息学报, 2014 - jeit.ac.cn
A two-step imaging algorithm for focusing airborne parallel high squint Synthetic Aperture
Radar (SAR) data is proposed in this paper. For the serious cross coupling of echo signal in …

A Novel Backprojection Algorithm Based on Aperture Compression for SAR Imaging

D Liang, Y Fu, H Li, X Pang - 2023 IEEE 11th Asia-Pacific …, 2023 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) is an important remote sensing technique and SAR imaging
is one of the core steps in SAR data processing. In order to improve the SAR imaging …

A Fast Back-Projection SAR Imaging Algorithm Based on Wavenumber Spectrum Fusion for High Maneuvering Platforms

Y Guo, Z Suo, P Jiang, H Li - Remote Sensing, 2021 - mdpi.com
In this paper, a fast back-projection (BP) synthetic aperture radar (SAR) imaging algorithm
based on wavenumber spectrum fusion is proposed for high maneuvering platforms with …

Improved back-projection imaging algorithm for approximate forward looking missile-borne SAR

X YE, G ZHANG, X HU, R CHEN, Y SUN - 北京航空航天大学学报, 2015 - bhxb.buaa.edu.cn
In order to solve the problems that the existing high squint missile-borne synthetic aperture
radar (SAR) algorithm can not deal with too high squint angle, and that the calculated …

A frequency domain backprojection algorithm based on local cartesian coordinate and subregion range migration correction for high-squint SAR mounted on …

B Bie, M Xing, XG Xia, GC Sun, Y Liang… - … on Geoscience and …, 2018 - ieeexplore.ieee.org
Accurate range modeling, cross-range-dependent range migration, and space-variant
Doppler parameter are main issues to be solved in processing high-squint synthetic …

A fast BP algorithm with wavenumber spectrum fusion for high-resolution spotlight SAR imaging

L Zhang, H Li, Z Qiao, Z Xu - IEEE Geoscience and Remote …, 2014 - ieeexplore.ieee.org
This letter presents the accelerated fast backprojection (AFBP) algorithm for high-resolution
spotlight synthetic aperture radar (SAR) imaging. In conventional fast backprojection (FBP) …