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 …

[HTML][HTML] A Moving Target Imaging Approach for the Multichannel in Azimuth High Resolution Wide Swath SAR System

Y WANG, Z ZHANG, N LI, H FAN, Q ZHAO - 电子与信息学报, 2020 - jeit.ac.cn
Since the echo characteristics of moving targets are different from that of stationary targets,
the traditional reconstruction filter bank algorithm, ie, the reconstruction filter algorithm, is not …

Investigation of azimuth multichannel reconstruction for moving targets in high resolution wide swath SAR

W Tan, W Xu, P Huang, Z Huang, Y Qi, K Han - Sensors, 2017 - mdpi.com
The azimuth multichannel imaging scheme with the large receive antenna divided into
multiple sub-apertures usually leads to azimuth non-uniform sampling, and echoes from all …

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 …

A simultaneous imaging scheme of stationary clutter and moving targets for maritime scenarios with the first Chinese dual-channel spaceborne SAR sensor

J Yang, X Qiu, L Zhong, M Shang, C Ding - Remote Sensing, 2019 - mdpi.com
The technique of azimuth multichannel synthetic aperture radar (SAR) system has become a
potential solution to the irreconcilable conflict between high-resolution and wide-swath …

Improved reconstruction filter for multichannel SAR systems in azimuth

W Wang, R Wang - EUSAR 2014; 10th European Conference …, 2014 - ieeexplore.ieee.org
Multichannel synthetic aperture radar (SAR) systems are regarded as the most promising
candidate to simultaneously obtain the wide range swath and high azimuth resolution. The …

Unambiguous imaging of static scenes and moving targets with the first Chinese dual-channel spaceborne SAR sensor

T Jin, X Qiu, D Hu, C Ding - Sensors, 2017 - mdpi.com
Multichannel synthetic aperture radar (SAR) is a breakthrough given the inherent limitation
between high-resolution and wide-swath (HRWS) faced with conventional SAR. This paper …

Suppression of Azimuth Ambiguities of Strong Point-Like Targets for Multichannel SAR Systems

X Guo, Y Gao, K Wang, X Liu - IEEE Geoscience and Remote …, 2017 - ieeexplore.ieee.org
Multichannel synthetic aperture radar (SAR) signal reconstruction methods can effectively
suppress azimuth ambiguities and achieve high-resolution wide-swath imaging. However …

Data reconstruction method for azimuth multi-channel SAR

YT Li, YG Chen, YK Deng, CB Yin - 电子与信息学报, 2012 - jeit.ac.cn
Multi-channel SAR can achieve high resolution and wide swath at the same time, which
overcoming the inherent limitations of conventional SAR system. Azimuth uniformly sampled …

Two-step imaging algorithm for airborne parallel high squint SAR

JH Ran, JY Zhang, YJ Wu - 电子与信息学报, 2014 - jeit.ac.cn
A two-step imaging algorithm for focusing airborne parallel high squint Synthetic Aperture
Radar (SAR) data is proposed in this paper. For the serious cross coupling of echo signal in …