New slant range model and azimuth perturbation resampling based high-squint maneuvering platform SAR imaging

X Xuying, L Gen, M Yanheng… - Journal of Systems …, 2021 - ieeexplore.ieee.org
Strong spatial variance of the imaging parameters and serious geometric distortion of the
image are induced by the acceleration and vertical velocity in a high-squint synthetic …

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 …

KT and azimuth sub‐region deramp‐based high‐squint SAR imaging algorithm mounted on manoeuvring platforms

G Li, Y Ma, L Shi, J Hou - IET Radar, Sonar & Navigation, 2020 - Wiley Online Library
Owing to the existence of high‐order motion parameters and vertical velocity, severe range–
azimuth coupling and two‐dimensional spatial variability of the imaging parameters degrade …

Maneuvering platform high-squint SAR imaging method based on perturbation KT and subregion phase filtering

G Li, Y Ma, X Xiong - Journal of Applied Remote Sensing, 2021 - spiedigitallibrary.org
The imaging parameters of high-squint synthetic aperture radar (SAR) mounted on
maneuvering platforms have obvious spatial variability, which cannot be effectively solved …

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 …

Subaperture approach based on azimuth-dependent range cell migration correction and azimuth focusing parameter equalization for maneuvering high-squint-mode …

T Zeng, Y Li, Z Ding, T Long, D Yao… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
The challenge in the imaging of high-squint-mode synthetic aperture radar (SAR) mounted
on maneuvering platforms is the azimuth dependence of both the range migration and the …

A modified range model and Doppler resampling based imaging algorithm for high squint SAR on maneuvering platforms

B Bie, Y Quan, GC Sun, W Liu… - IEEE Geoscience and …, 2019 - ieeexplore.ieee.org
There are two technical difficulties to overcome before obtaining a well-focused image from
high squint (HS) synthetic aperture radar (SAR) with constant acceleration. One is effective …

High Speed Maneuvering Platform Squint TOPS SAR Imaging Based on Local Polar Coordinate and Angular Division

B Bie, Y Quan, K Xu, G Sun, M Xing - Remote Sensing, 2021 - mdpi.com
This paper proposes an imaging algorithm for synthetic aperture radar (SAR) mounted on a
high-speed maneuvering platform with squint terrain observation by progressive scan mode …

Focusing of maneuvering high-squint-mode SAR data based on equivalent range model and wavenumber-domain imaging algorithm

Z Li, J Chen, W Du, B Gao, D Guo… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
Due to the complexity of high-squint synthetic aperture radar (SAR) mounted on
maneuvering platforms, the traditional geometric model and imaging algorithms cannot be …

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 …