Improved motion compensation approach for squint airborne SAR

Z Ding, L Liu, T Zeng, W Yang… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
Airborne synthetic aperture radar (SAR) raw data are affected by motion errors due to
atmospheric turbulence and aircraft properties, and this makes motion compensation …

Efficiency and robustness improvement of airborne SAR motion compensation with high resolution and wide swath

J Chen, B Liang, J Zhang, DG Yang… - … and Remote Sensing …, 2020 - ieeexplore.ieee.org
For airborne synthetic aperture radar (SAR) imaging with high resolution and wide swath,
the atmospheric turbulence may produce serious range-dependent (RD) motion error. To …

Azimuth motion compensation with improved subaperture algorithm for airborne SAR imaging

L Zhang, G Wang, Z Qiao… - IEEE Journal of Selected …, 2016 - ieeexplore.ieee.org
Conventional motion compensation (MOCO) under beam-center approximation is usually
insufficient to correct severe track deviations for high-resolution synthetic aperture radar …

Time-domain azimuth-variant MOCO algorithm for airborne SAR imaging

Z Meng, L Zhang, J Li, J Lu, Y Li - IEEE Geoscience and …, 2022 - ieeexplore.ieee.org
Current subaperture-based azimuth-variant motion compensation (MOCO) algorithms for
synthetic aperture radar (SAR) imagery usually suffer from the challenge of keeping high …

A novel motion compensation scheme for airborne very high resolution SAR

Z Chen, Z Zhang, Y Zhou, P Wang, J Qiu - Remote Sensing, 2021 - mdpi.com
Due to the atmospheric turbulence, the motion trajectory of airborne very high resolution
(VHR) synthetic aperture radars (SARs) is inevitably affected, which introduces range …

Precise focusing of airborne SAR data with wide apertures large trajectory deviations: A chirp modulated back-projection approach

D Meng, D Hu, C Ding - IEEE Transactions on Geoscience and …, 2014 - ieeexplore.ieee.org
In the area of airborne synthetic aperture radar (SAR), motion compensation (MOCO) is a
crucial technique employed to correct the SAR data affected by nonlinear platform trajectory …

Efficient space-variant motion compensation approach for ultra-high-resolution SAR based on subswath processing

M Yang, D Zhu - IEEE Journal of Selected Topics in Applied …, 2018 - ieeexplore.ieee.org
Motion compensation (MOCO) is essential to obtain high-quality images for airborne
synthetic aperture radar (SAR). In the case of ultrahigh resolution, how to compensate the …

Improvements to the frequency division-based subaperture algorithm for motion compensation in wide-beam SAR

Y Li, X Liang, C Ding, L Zhou… - IEEE Geoscience and …, 2013 - ieeexplore.ieee.org
Motion compensation (MoCo) is pivotal in the processing of airborne synthetic aperture
radar (SAR) data. Motion errors are space variant according to the data acquisition …

A new approach to airborne high resolution SAR motion compensation for large trajectory deviations

M Dadi, HU Donghui, D Chibiao - Chinese Journal of …, 2012 - ieeexplore.ieee.org
The Two-step algorithm (TSA) is widely used for trajectory deviation compensation of
airborne Synthetic aperture radar (SAR), by which most of the motion errors are …

Azimuth resampling processing for highly squinted synthetic aperture radar imaging with several modes

M Xing, Y Wu, YD Zhang, GC Sun… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
The linear range walk yields a significant range-azimuth coupling effect in a highly squinted
synthetic aperture radar (SAR). Although the linear range walk correction (LRWC) technique …