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 …

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 …

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 …

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 …

Precise aperture‐dependent motion compensation for high‐resolution synthetic aperture radar imaging

G Wang, L Zhang, J Li, Q Hu - IET Radar, Sonar & Navigation, 2017 - Wiley Online Library
Aperture‐dependent motion compensation (MOCO) is crucial for high‐resolution airborne
synthetic aperture radar (SAR) imaging, which can suppress image degradation especially …

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 …

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 …

2-D spatially variant motion error compensation for high-resolution airborne SAR based on range-Doppler expansion approach

Y Ren, S Tang, P Guo, L Zhang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Motion errors are inevitable in real-world scenarios and introduce significant phase errors in
airborne synthetic aperture radar (SAR) imaging. Generally, these errors consist of the cross …

Two-step accuracy improvement of motion compensation for airborne SAR with ultrahigh resolution and wide swath

J Chen, B Liang, DG Yang, DJ Zhao… - … on Geoscience and …, 2019 - ieeexplore.ieee.org
The motion compensation (MOCO) for the airborne SAR with ultrahigh resolution and wide
swath is required to consider the range-dependent (RD) phase error. The RD phase error …