Azimuth-to-frequency mapping in airborne SAR data corrupted by uncompensated motion errors

S Perna, V Zamparelli, A Pauciullo… - IEEE Geoscience and …, 2013 - ieeexplore.ieee.org
Airborne synthetic aperture radar (SAR) raw data are affected by motion errors. These are
commonly accounted for via standard two-step motion compensation (MOCO) algorithm …

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 …

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 …

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 …

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 …

Comparison of topography-and aperture-dependent motion compensation algorithms for airborne SAR

P Prats, KAC de Macedo, A Reigber… - … and Remote Sensing …, 2007 - ieeexplore.ieee.org
This letter presents a comparison between three Fourier-based motion compensation
(MoCo) algorithms for airborne synthetic aperture radar (SAR) systems. These algorithms …

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 …

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 …

Motion error correction approach for high-resolution synthetic aperture radar imaging

G Jia, W Chang, X Li - Journal of Applied Remote Sensing, 2014 - spiedigitallibrary.org
An innovative data-based motion compensation approach is proposed for the high-
resolution synthetic aperture radar (SAR). The main idea is to extract the displacements in …

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 …