A high-squint TOPS SAR imaging algorithm for maneuvering platforms based on joint time-Doppler deramp without subaperture

N Li, B Bie, GC Sun, M Xing… - IEEE Geoscience and …, 2019 - ieeexplore.ieee.org
The beam steering of high-squint terrain observation by progressive scans (TOPS) synthetic
aperture radar (SAR) mounted on maneuvering platforms causes azimuth spectrum aliasing …

High-speed maneuvering platform SAR imaging with optimal beam steering control

B Bie, Y Quan, K Xu, A Ren, G Xiao… - … on Geoscience and …, 2021 - ieeexplore.ieee.org
This article would like to provide an optimal beam steering control method for high-speed
maneuvering platform synthetic aperture radar (SAR) imaging. A corresponding imaging …

Modified ERMA with generalized resampling for maneuvering highly squinted TOPS SAR

G Zhang, Y Liang, Z Suo, M Xing - IEEE Geoscience and …, 2020 - ieeexplore.ieee.org
In terrain observation by progressive scans' synthetic aperture radar (TOPS SAR) imaging, 3-
D acceleration of maneuvering platforms makes conventional unfolding methods no longer …

[HTML][HTML] 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 …

High-speed maneuvering platforms squint beam-steering SAR imaging without subaperture

B Bie, GC Sun, XG Xia, M Xing, L Guo… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This paper investigates the imaging problems in squint beam-steering synthetic aperture
radar (SBS-SAR) mounted on high-speed platforms with constant acceleration. The cross …

Multichannel full-aperture azimuth processing for beam steering SAR

GC Sun, M Xing, XG Xia, Y Wu… - … on Geoscience and …, 2013 - ieeexplore.ieee.org
Terrain Observation by Progressive Scans (TOPS) synthetic aperture radar (SAR) and
spotlight SAR are advanced SAR imaging modes for wide range swath and high resolution …

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 …

Full aperture imaging algorithm for highly squinted TOPS SAR

S Zhang, G Sun, M Xing - Journal of Systems Engineering and …, 2016 - ieeexplore.ieee.org
Aiming at solving the azimuth signal aliasing problem in the Doppler domain, the azimuth
time aliasing problem after range cell migration correction (RCMC) and the severe range …

A subaperture imaging algorithm to highly squinted TOPS SAR based on SPECAN and deramping

J Yang, G Sun, J Chen, L Mao… - EUSAR 2014; 10th …, 2014 - ieeexplore.ieee.org
As the azimuth beam sweeps at high squint angles, the real difficulty in processing high
squinted terrain observation by progressive scans (TOPS) data is the azimuth spectrum …

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 …