A new approach to compensating spatially variant phase error in airborne wideband SAR

D Meng, C Ding - 电子与信息学报, 2007 - jeit.ac.cn
A new motion compensation algorithm dealing with spatially variant phase error in azimuth
direction is purposed in this article. Traditionally, only the spatially invariant part of phase …

A Motion Compensation Algorithm in Frequency Domain for Wide-beam Airborne SAR

X Zheng, W Yu - 电子与信息学报, 2007 - jeit.ac.cn
Motion Compensation is essential for wide-beam airborne Synthetic Aperture Radar (SAR).
This paper proposes a motion compensation algorithm for wide-beam airborne SAR based …

Motion compensation for airborne SAR with synthetic bandwidth

M Zhang, C Liu, YF Wang - 电子与信息学报, 2011 - jeit.ac.cn
Bandwidth synthetic technique provides a fine range resolution for the advanced airborne
SAR system. In strip-map mode, in order to get an as good azimuth resolution as the range …

Motion compensation for wide beam SAR based on frequency division

X Zheng, W Yu, Z Li - Journal of Electronics (China), 2008 - Springer
Aperture-dependent motion compensation is important for wide beam Synthetic Aperture
Radar (SAR) data processing. This paper studies a wide beam motion compensation …

Amplitude and phase error estimation and compensation technology for spaceborne SAR

S Zelong, Q Cheng, J Weiwei… - 2022 3rd China …, 2022 - ieeexplore.ieee.org
To solve problems such as target defocus, signal distortion caused by amplitude and phase
error of the spaceborne wideband SAR system, the paper proposed a new method to …

A new approach to airborne high resolution SAR motion compensation for large trajectory deviations

M Dadi, HU Donghui, D Chibiao - Chinese Journal of …, 2012 - ieeexplore.ieee.org
The Two-step algorithm (TSA) is widely used for trajectory deviation compensation of
airborne Synthetic aperture radar (SAR), by which most of the motion errors are …

Modeling and high-precision processing of the azimuth shift variation for spaceborne HRWS SAR

F He, Q Chen, Z Dong, GH Jin, DN Liang - Science China Information …, 2013 - Springer
One basic assumption for high-efficient SAR imaging algorithms is azimuth-shift-invariance
of SAR data. The new spaceborne high-resolution wide-swath (HRWS) SAR generation will …

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 …

A Two-Step Non-Stop-and-Go Phase Compensation Method for Spaceborne SAR With High-Resolution High-Squint-Angle and Wide-Swath

Y Wu, L Huang, B Zhang, L Zhong, D Yin… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
Current signal processing for Synthetic Aperture Radar (SAR) cannot satisfy the
requirements for high resolution, high squint angle, and wide swath due to the limitations of …

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 …