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 …

Robust autofocusing approach for highly squinted SAR imagery using the extended wavenumber algorithm

G Xu, M Xing, L Zhang, Z Bao - IEEE transactions on …, 2013 - ieeexplore.ieee.org
For highly squinted synthetic aperture radar (SAR) imaging, the wavenumber domain SAR
processing algorithm is commonly accepted as an ideal solution to SAR focusing in the case …

[引用][C] On center-beam approximation in SAR motion compensation

G Fornaro, G Franceschetti… - IEEE Geoscience and …, 2006 - ieeexplore.ieee.org
On center-beam approximation in SAR motion compensation Page 1 276 IEEE GEOSCIENCE
AND REMOTE SENSING LETTERS, VOL. 3, NO. 2, APRIL 2006 On Center-Beam …

Knowledge-aided 2-D autofocus for spotlight SAR range migration algorithm imagery

X Mao, X He, D Li - IEEE Transactions on Geoscience and …, 2018 - ieeexplore.ieee.org
With continuous improvement of the synthetic aperture radar (SAR) resolution, the 2-D
defocus effect in SAR image resulting from uncompensated motion error has made …

Wide-beam SAR autofocus based on blind resampling

J Chen, H Yu - Science China Information Sciences, 2023 - Springer
Long synthetic aperture time and large instantaneous beam can turn airborne synthetic
aperture radar (SAR) autofocus into a wide-beam autofocus problem; ie, the motion error is …

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 …

Compensation for the NsRCM and phase error after polar format resampling for airborne spotlight SAR raw data of high resolution

L Yang, M Xing, Y Wang, L Zhang… - IEEE Geoscience and …, 2012 - ieeexplore.ieee.org
When the range migration caused by motion error exceeds the range cell resolution, the
performance of a conventional phase autofocus approach degrades. In this paper, a new …

Full-aperture processing of airborne microwave photonic SAR raw data

J Chen, M Li, H Yu, M Xing - IEEE Transactions on Geoscience …, 2023 - ieeexplore.ieee.org
At present, the resolution of the most advanced airborne microwave photonic synthetic
aperture radar (SAR) can reach the order of centimeters or even millimeters, so the 2-D …

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 …

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 …