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 - 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 …

[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 …

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 …

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 - ieeexplore.ieee.org
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 …

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 …

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 …

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 …

[HTML][HTML] Precise aperture-dependent motion compensation with frequency domain fast back-projection algorithm

M Zhang, G Wang, L Zhang - Sensors, 2017 - mdpi.com
Precise azimuth-variant motion compensation (MOCO) is an essential and difficult task for
high-resolution synthetic aperture radar (SAR) imagery. In conventional post-filtering …

Comparison of two‐step and one‐step motion compensation algorithms for airborne synthetic aperture radar

M Yang, D Zhu, W Song - Electronics Letters, 2015 - Wiley Online Library
Airborne synthetic aperture radar (SAR) image quality considerably degrades because of
motion errors. High‐precision motion compensation (MOCO) is necessary in an advanced …