A robust motion compensation approach for UAV SAR imagery

L Zhang, Z Qiao, M Xing, L Yang… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
Unmanned aerial vehicle (UAV) synthetic aperture radar (SAR) is an essential tool for
modern remote sensing applications. Owing to its size and weight constraints, UAV is very …

Motion compensation for UAV SAR based on raw radar data

M Xing, X Jiang, R Wu, F Zhou… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
Unmanned aerial vehicle (UAV) synthetic aperture radar (SAR) is very important for
battlefield awareness. For SAR systems mounted on a UAV, the motion errors can be …

A robust motion error estimation method based on raw data

Y Li, C Liu, Y Wang, Q Wang - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
High-resolution airborne synthetic aperture radar (SAR) systems are very sensible to
deviations of the aircraft from the reference track. In high-resolution imagery, the …

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 …

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 …

Motion compensation for airborne SAR via parametric sparse representation

YC Chen, G Li, Q Zhang, QJ Zhang… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
A method of motion status estimation of airborne synthetic aperture radar (SAR) platform in
short subapertures via parametric sparse representation is proposed for high-resolution …

[HTML][HTML] SAR system for UAV operation with motion error compensation beyond the resolution cell

JT Gonzalez-Partida, P Almorox-Gonzalez… - Sensors, 2008 - mdpi.com
This paper presents an experimental Synthetic Aperture Radar (SAR) system that is under
development in the Universidad Politécnica de Madrid. The system uses Linear Frequency …

Wavenumber-domain autofocusing for highly squinted UAV SAR imagery

L Zhang, J Sheng, M Xing, Z Qiao… - IEEE Sensors …, 2011 - ieeexplore.ieee.org
Being capable of enhancing the flexibility and observing ability of synthetic aperture radar
(SAR), squint mode is one of the most essential operating modes in SAR applications …

An autofocus algorithm for estimating residual trajectory deviations in synthetic aperture radar

L Ran, Z Liu, L Zhang, T Li, R Xie - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Due to the accuracy limitation of the navigation system, deviations between the real
trajectory and the measured one appear inevitably in airborne synthetic aperture radar …

Motion compensation/autofocus in airborne synthetic aperture radar: A review

J Chen, M Xing, H Yu, B Liang, J Peng… - IEEE Geoscience and …, 2021 - ieeexplore.ieee.org
Air-and spaceborne synthetic aperture radar (SAR) can provide a large number of high-
resolution images for microwave remote sensing applications, such as geoscience and …