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 …

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 …

On the processing of very high resolution spaceborne SAR data

P Prats-Iraola, R Scheiber… - … on Geoscience and …, 2014 - ieeexplore.ieee.org
This paper addresses several important aspects that need to be considered for the
processing of spaceborne synthetic aperture radar (SAR) data with resolutions in the …

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 …

A processing framework for airborne microwave photonic SAR with resolution up to 0.03 m: Motion estimation and compensation

Y Deng, M Xing, GC Sun, W Liu, R Li… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Airborne synthetic aperture radar (SAR) with an imaging resolution of up to 0.03 m is
developed. However, the imaging process suffers from motion errors with 2-D spatial-variant …

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 …

Blind NCS-based autofocus for airborne wide-beam SAR imaging

J Chen, J Zhang, H Yu, G Xu, B Liang… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
The improvement in azimuth resolution and/or the increase in the instantaneous beam width
can result in a wide-beam autofocus problem in airborne synthetic aperture radar (SAR) …

Multichannel HRWS SAR imaging based on range-variant channel calibration and multi-Doppler-direction restriction ambiguity suppression

SX Zhang, MD Xing, XG Xia, L Zhang… - … on Geoscience and …, 2013 - ieeexplore.ieee.org
In order to obtain high-resolution wide-swath (HRWS) images, the multichannel in azimuth
synthetic aperture radar (SAR) system has been adopted to deal with the contradiction …

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 …

Theory and application of motion compensation for LFM-CW SAR

EC Zaugg, DG Long - IEEE Transactions on Geoscience and …, 2008 - ieeexplore.ieee.org
Small low-cost high-resolution synthetic aperture radar (SAR) systems are made possible by
using a linear frequency-modulated continuous-wave (LFM-CW) signal. SAR processing …