A modified chirp-scaling algorithm for spaceborne squinted sliding spotlight SAR data processing

K Hui, C Jie, Y Wei - 2015 IEEE 5th Asia-Pacific Conference on …, 2015 - ieeexplore.ieee.org
A modified chirp scaling (CS) algorithm for processing spaceborne squinted sliding spotlight
synthetic aperture radar (SAR) data is proposed in this paper. For squinted sliding spotlight …

A refined two-step algorithm for high resolution spaceborne SAR with squinted sliding spotlight mode

H Kuang, J Chen, W Yang - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
Spaceborne squinted sliding spotlight synthetic aperture radar (SAR) can achieve high-
resolution image with well flexibility. However, traditional imaging algorithm cannot focus its …

A novel imaging algorithm for focusing high-resolution spaceborne SAR data in squinted sliding-spotlight mode

J Chen, H Kuang, W Yang, W Liu… - IEEE Geoscience and …, 2016 - ieeexplore.ieee.org
To process squinted sliding-spotlight synthetic aperture radar data, the azimuth
preprocessing step based on the linear range walk correction (LRWC) and derotation …

Extended wavenumber domain algorithm for highly squinted sliding spotlight SAR data processing

D Guo, H Xu, J Li - Progress In Electromagnetics Research, 2011 - jpier.org
Image formation from squinted sliding spotlight synthetic aperture radar (SAR) is limited by
azimuth spectral folding and severe two dimension coupling. This paper presents an …

[HTML][HTML] Generalized chirp scaling combined with baseband azimuth scaling algorithm for large bandwidth sliding spotlight SAR imaging

T Yi, Z He, F He, Z Dong, M Wu - Sensors, 2017 - mdpi.com
This paper presents an efficient and precise imaging algorithm for the large bandwidth
sliding spotlight synthetic aperture radar (SAR). The existing sub-aperture processing …

[HTML][HTML] An extended chirp scaling algorithm for spaceborne sliding spotlight synthetic aperture radar imaging

J Guo, Y Xu, L Fu - Chinese Journal of Aeronautics, 2014 - Elsevier
A system impulse response with low sidelobes is critical in synthetic aperture radar (SAR)
images because sidelobes contribute to noise and interfere with nearby scatterers …

Novel approach based on deramping technique for squinted sliding spotlight SAR imaging

Y Mo, H Yan, B Zhao - Journal of Electronics (China), 2013 - Springer
This paper investigates a novel approach based on the deramping technique for squinted
sliding spotlight Synthetic Aperture Radar (SAR) imaging to resolve the azimuth spectrum …

A Hybrid Chirp Scaling Algorithm for Squint Sliding Spotlight SAR Data Imaging

Y Guo, P Wang, Z Men, T He… - IEEE Geoscience and …, 2024 - ieeexplore.ieee.org
Squint spaceborne synthetic aperture radar (SAR) can significantly improve the ground
observation performance of platform sensor through flexible beam pointing; however, it is …

Efficient imaging approach for spaceborne sliding spotlight synthetic aperture radar with a small squint angle

P Zhou, Y Chen, W Sun, Y Wan… - Journal of Applied …, 2015 - spiedigitallibrary.org
Several existing algorithms for squinted sliding spotlight synthetic aperture radar (SAR)
suffer from low efficiency, despite their good focusing abilities. Their low speeds are …

A new subaperture chirp scaling algorithm for spaceborne spotlight SAR data focusing

S Jinping, Y Zhifeng, H Wenb… - 2007 1st Asian and Pacific …, 2007 - ieeexplore.ieee.org
In order to overcome the azimuth spectrum folding occurrence in the spotlight imaging mode
of the high resolution spaceborne Synthetic Aperture Radar (SAR), we presented a new …