A frequency domain backprojection algorithm based on local cartesian coordinate and subregion range migration correction for high-squint SAR mounted on …
Accurate range modeling, cross-range-dependent range migration, and space-variant
Doppler parameter are main issues to be solved in processing high-squint synthetic …
Doppler parameter are main issues to be solved in processing high-squint synthetic …
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 …
on maneuvering platforms is the azimuth dependence of both the range migration and the …
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 …
image are induced by the acceleration and vertical velocity in a high-squint synthetic …
Spaceborne high-squint high-resolution SAR imaging based on two-dimensional spatial-variant range cell migration correction
Z Ding, P Zheng, H Li, T Zhang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
High-squint imaging is an effective means to enhance the flexibility and coverage ability of
spaceborne synthetic aperture radar (SAR). Although existing imaging algorithms based on …
spaceborne synthetic aperture radar (SAR). Although existing imaging algorithms based on …
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 …
azimuth coupling and two‐dimensional spatial variability of the imaging parameters degrade …
[HTML][HTML] 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 …
especially in military reconnaissance and disaster monitoring. The motion of the satellite …
A modified range model and Doppler resampling based imaging algorithm for high squint SAR on maneuvering platforms
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 squint (HS) synthetic aperture radar (SAR) with constant acceleration. One is effective …
Focusing improvement of curved trajectory spaceborne SAR based on optimal LRWC preprocessing and 2-D singular value decomposition
The curved trajectory can lead to severely 2-D spatial-variance in spaceborne synthetic
aperture radar (SAR). The azimuth-variance makes the traditional frequency domain …
aperture radar (SAR). The azimuth-variance makes the traditional frequency domain …
A modified equivalent range model and wavenumber-domain imaging approach for high-resolution-high-squint SAR with curved trajectory
Z Li, M Xing, W Xing, Y Liang, Y Gao… - … on Geoscience and …, 2017 - ieeexplore.ieee.org
In a synthetic aperture radar (SAR) system, the radar platform may move with a curved
trajectory due to the existence of vertical velocity and acceleration, which may result in the …
trajectory due to the existence of vertical velocity and acceleration, which may result in the …
[HTML][HTML] 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 …
algorithm based on wavenumber-domain spectral splicing. The traditional fast …
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