Research on spaceborne high resolution wide swath imaging method based on relax algorithm

X WANG, D ZHANG, H YAN - 电子与信息学报, 2019 - jeit.ac.cn
The modern spaceborne SAR system requires both high resolution and wide swath, and the
conventional single channel spaceborne SAR system has a contradiction between the two …

[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 …

[HTML][HTML] 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 …

High-resolution Wide-swath Imaging for Spaceborne SAR Based on Periodic Non-uniform Sampling

W Yu-Feng, S Guang-Cai, Y Jun, X Meng-Dao, Z Feng - 电子与信息学报, 2012 - jeit.ac.cn
In order to solve the contradiction between high-resolution and wide-swath for the
spaceborne single-channel SAR system, this paper proposes a new method based on …

Matrix inversion method for azimuth reconstruction in bistatic spaceborne high-resolution wide-swath SAR system

L Yuchuan, Z Jianyun, W Yongjun, Z Qingsong - 雷达学报, 2017 - radars.ac.cn
Abstract In bistatic spaceborne High-Resolution Wide-Swath SAR systems (HRWS-SAR),
the azimuth reconstruction to obtain a uniform sampling signal or Doppler spectrum is a …

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 …

Multi-channel chirp scaling algorithm for high-resolution multi-channel antenna space-borne SAR imaging

P Wang, Y Zhou, J Chen, C Li - 北京航空航天大学学报, 2006 - bhxb.buaa.edu.cn
Based on the analysis of the limitation that exists in the traditional imaging algorithms when
processing the echo of high resolution multi-channel antenna space-borne SAR (Synthetic …

Subaperture imaging algorithm for missile-borne SAR

H JIANG, S CHEN, H ZHAO, M HAN, S ZHANG - 电子与信息学报, 2017 - jeit.ac.cn
In the missile borne subaperture SAR mode, the complicate motion of the platform and the
strong coupling between range and azimuth present substantial difficulty for echo data …

HRWS imaging for space-borne multi-static SAR system with along-track multi-channel

TL Yang, ZF Li, YY Liu, Z Bao - 电子与信息学报, 2012 - jeit.ac.cn
Incorporated with digital beamforming processing, along-track multi-channel spaceborne
SAR systems are promising in High-Resolution and Wide-Swath (HRWS) imaging by …

Implementing Wide-swath SAR Based on Displaced Phase Center Azimuth Multi-beam

Y Hu, C Ding, Y Wu - 电子与信息学报, 2008 - jeit.ac.cn
A wide-swath SAR scheme based on displaced phase center azimuth multibeam is
presented in this paper. More than one azimuth sampling can be acquired during one pulse …