The two-dimensional spatial-variant properties of airborne SAR motion error and its compensation

G Tan, Y Deng - 电子与信息学报, 2009 - jeit.ac.cn
The precise motion compensation is a crucial issue for high-resolution airborne SAR
imaging, which is especially important for SAR imaging under airborne small platform or …

A kind of method of extended wavenumber domain algorithm for squint SAR motion compensation

G Tan, Y Deng - 电子与信息学报, 2009 - jeit.ac.cn
Accurate motion compensation is a key issue for high-resolution airborne SAR imaging. In
order to attain high-quality squint SAR images, it is detailedly discussed that Extended …

High-precision motion compensation method based on the subaperture envelope error correction for SAR

T Xue, L Xing-dong, L Yan-lei, D Yong-wei - 雷达学报, 2014 - radars.ac.cn
Small size, light weight, and low power are presently the directions in SAR development.
The microSAR platform is small and light, which results in track deviations because of air …

High resolution airborne SAR motion compensation based on echo data

W Lei, X Hu - 电子与信息学报, 2004 - jeit.ac.cn
This paper amply analyzes the airborne SAR motion compensation mechanism on the
range compression data and complex image data, and proposes a motion compen-sation …

A motion compensation method for airborne SAR imagery

S Mo, Y Wang, C Liu, X Wu - IEICE Electronics Express, 2015 - jstage.jst.go.jp
A novel motion compensation method, which is based on the approximate total least
squares (ATLS) algorithm, for wide-beamwidth SAR systems is proposed in this paper. The …

A method of based on sub-aperture autofocus to estimate the high-frequency motion-error and compensation

SX Zhang, GC Sun, F Zhou, YY Liu, MD Xing - 电子与信息学报, 2010 - jeit.ac.cn
With the traditional motion compensation methods, the low-frequency motion-error can be
completely compensated during SAR imaging process in the theory. But the high-frequency …

An along-track motion compensation algorithm based on non-uniform fast Fourier transform (NUFFT) for SAR

T Xing, J Li, GY Wang, QR Hu - 电子与信息学报, 2014 - jeit.ac.cn
The non-equispaced along-track motion has serious impact on SAR imaging. The SAR
images are geometric distorted after the along-track motion compensation, which may impair …

Second-order motion compensation in bistatic airborne SAR based on a geometrical approach

AM Ortiz, O Loffeld, H Nies… - 2007 IEEE International …, 2007 - ieeexplore.ieee.org
Common efficient SAR processing algorithms are based on nominal operational conditions.
Unfortunately, due to atmospheric turbulences and maneuvering errors, these conditions are …

Algorithm on the estimation of residual motion errors in airborne SAR images

X Zhong, M Xiang, H Yue, H Guo - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
Due to the lack of accuracy in the navigation system, deviations in the order of centimeters
between the real trajectory and the measured one, called residual motion errors (RMEs) …

[引用][C] Forward velocity variation compensation for high resolution airborne SAR.

WW Cai, WM Lei - Xiandai Leida(Modern Radar), 2007