Spaceborne squinted multichannel synthetic aperture radar data focusing

P Huang, W Xu, S Li - IET Radar, Sonar & Navigation, 2014 - Wiley Online Library
This study analyses echo properties of spaceborne squinted multichannel along the track
synthetic aperture radar (SAR) data. The highly squint angle and the large transmitted pulse …

[HTML][HTML] System Design and Echo Preprocessing of Spaceborne Squinted Two-Dimensional Beam Scanning Synthetic Aperture Radar

W Xu, X Lu, P Huang, W Tan, Z Gao, Y Qi - Sensors, 2023 - mdpi.com
Conventional squinted sliding spotlight synthetic aperture radar (SAR) imaging suffers from
substantial swath width reduction and complex processing requirements due to the …

Azimuth Multichannel Reconstruction for Moving Targets in Spaceborne Squinted Multichannel Synthetic Aperture Radar

W XU, Z WEI, P HUANG, W TAN, Y QI, Z GAO - 电子与信息学报, 2021 - jeit.ac.cn
In the spaceborne azimuth multichannel SAR squinted mode, the squint angle and the
velocity of moving target will cause the 2-D spectrum of echo signal to be aliased and the …

Full-aperture SAR data focusing in the spaceborne squinted sliding-spotlight mode

W Xu, Y Deng, P Huang, R Wang - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
This paper analyzes the signal properties of spaceborne squinted sliding-spotlight synthetic
aperture radar (SAR). Both the squint angle and the azimuth beam steering during the whole …

[HTML][HTML] Focusing high-resolution highly-squinted airborne SAR data with maneuvers

S Tang, L Zhang, HC So - Remote Sensing, 2018 - mdpi.com
Maneuvers provide flexibility for high-resolution highly-squinted (HRHS) airborne synthetic
aperture radar (SAR) imaging and also mean complex signal properties in the echoes. In …

A novel imaging algorithm for focusing high-resolution spaceborne SAR data in squinted sliding-spotlight mode

J Chen, H Kuang, W Yang, W Liu… - IEEE Geoscience and …, 2016 - ieeexplore.ieee.org
To process squinted sliding-spotlight synthetic aperture radar data, the azimuth
preprocessing step based on the linear range walk correction (LRWC) and derotation …

Focusing of highly squinted SAR data with frequency nonlinear chirp scaling

Z Li, Y Liang, M Xing, Y Huai, L Zeng… - IEEE Geoscience and …, 2015 - ieeexplore.ieee.org
In this letter, several important aspects are addressed for highly squinted synthetic aperture
radar data with subaperture (SA) processing. First, the influences of the reference linear …

Azimuth resampling processing for highly squinted synthetic aperture radar imaging with several modes

M Xing, Y Wu, YD Zhang, GC Sun… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
The linear range walk yields a significant range-azimuth coupling effect in a highly squinted
synthetic aperture radar (SAR). Although the linear range walk correction (LRWC) technique …

Extended two-step focusing approach for squinted spotlight SAR imaging

D An, X Huang, T Jin, Z Zhou - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
An extended two-step focusing approach (ETSFA) for processing the squinted spotlight
synthetic aperture radar (SAR) data is proposed in this paper. The effect of the squint angle …

A novel focus approach for squint mode multi-channel in azimuth high-resolution and wide-swath SAR imaging processing

SX Zhang, JL Sheng, MD Xing - Ieee Access, 2018 - ieeexplore.ieee.org
An imaging processing for the squint mode multi-channel in azimuth high-resolution and
wide-swath (MC-HRWS) synthetic aperture radar (SAR) system is presented in this paper …