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 …

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 …

On the Time-Domain Airborne SAR Focusing in the Presence of Strong Azimuth Variations of the Squint Angle

P Berardino, A Natale, C Esposito… - … on Geoscience and …, 2023 - ieeexplore.ieee.org
Airborne synthetic aperture radar (SAR) data focusing in the presence of highly variable
squint angles is addressed in this work. To do this, a time-domain SAR focusing algorithm …

Performance analysis of wavenumber domain algorithms for highly squinted SAR

X Chen, Z Hou, Z Dong, Z He - IEEE Journal of Selected Topics …, 2023 - ieeexplore.ieee.org
Wavenumber domain algorithms have unique advantages in processing highly squinted
synthetic aperture radar data. This article studies the performance of three commonly used …

[PDF][PDF] Efficient and precise processing for squinted spotlight SAR through a modified Stolt mapping

M Vandewal, R Speck, H Süß - EURASIP Journal on advances in signal …, 2006 - Springer
Processing of squinted SAR spotlight data is a challenge because of the significant range
migration effects of the raw data over the coherent aperture time. Although in theory the () …

[PDF][PDF] Application of fast factorized back-projection algorithm for high-resolution highly squinted airborne SAR imaging

L Zhang, H Li, Z Xu, H Wang, L Yang, Z Bao - Sci. China, 2017 - scis.scichina.com
In squinted synthetic aperture radar (SAR) imaging, the range-azimuth coupling requires
precise range cell migration correction (RCMC). Moreover, for high-resolution airborne SAR …

Second order motion compensation for squinted spotlight synthetic aperture radar

MP Nguyen, SB Ammar - … of 2013 Asia-Pacific Conference on …, 2013 - ieeexplore.ieee.org
This paper presents a 2 nd order motion compensation (MoCom) algorithm for squinted
spotlight synthetic aperture radar (SAR). A precise compensation of the range-dependent …

Explicit motion compensation for backprojection in spotlight SAR

A Sommer, J Ostermann - 2016 17th International Radar …, 2016 - ieeexplore.ieee.org
In an airborne Synthetic Aperture Radar (SAR) scenario, the global Backprojection algorithm
enables processing of non-linear flight paths, but not with variable velocities of the aircraft …

Refined motion compensation for highly squinted spotlight synthetic aperture radar

MP Nguyen - EUSAR 2012; 9th European Conference on …, 2012 - ieeexplore.ieee.org
This paper presents a motion compensation algorithm which is capable of dealing with large
motion errors for highly squinted spotlight SAR. The approach consists of a phase error …

应用快速分解后向投影算法对机载大斜视SAR 成像处理

L Zhang, H Li, Z Xu, H Wang - Science China Information Sciences, 2017 - Springer
摘要创新点创新点: 本文结合机载大斜视SAR 成像背景, 通过后向投影积分的方位脉冲响应函数
对FFBP 算法处理进行了分析, 指出了存在运动误差时, FFBP 子孔径成像融合中存在的频率偏移 …