Azimuth variant motion error compensation algorithm for airborne SAR imaging based on Doppler adjustment

X Chen, M Wan, M Xing, GC Sun - IEEE Geoscience and …, 2021 -
Conventional beam-center approximation-based motion compensation (MOCO) algorithms
fail to achieve an optimally focused image in the case of the high-resolution and high …

Azimuth motion compensation with improved subaperture algorithm for airborne SAR imaging

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

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 -
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 -
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 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 …

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

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

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 -
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 …

[HTML][HTML] Range cell migration correction analysis of one-step and two-step motion compensation for millimeter-wave airborne SAR imaging

G Wang, L Zhang, J Li, Q Hu - EURASIP Journal on Advances in Signal …, 2016 - Springer
Conventional two-step motion compensation (MOCO) method is widely adapted for airborne
synthetic aperture radar (SAR) imaging due to its conciseness combining with the SAR …

[HTML][HTML] A novel motion compensation scheme for airborne very high resolution SAR

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

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 -
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 …