Spaceborne synthetic aperture radar imaging algorithms: An overview

GC Sun, Y Liu, J Xiang, W Liu, M Xing… - IEEE Geoscience and …, 2021 - ieeexplore.ieee.org
Spaceborne synthetic aperture radar (SAR) has been widely used in the national defense,
geologic mapping, disaster estimation, and other fields. This technique has realized the …

A novel channel errors calibration algorithm for multichannel high-resolution and wide-swath SAR imaging

H Huang, P Huang, X Liu, XG Xia… - … on Geoscience and …, 2021 - ieeexplore.ieee.org
For a spaceborne high-resolution and wide-swath synthetic aperture radar (HRWS-SAR)
system, it usually uses the digital beamforming technology. However, in practice, because of …

[HTML][HTML] Robust GMTI scheme for highly squinted hypersonic vehicle-borne multichannel SAR in dive mode

J Han, Y Cao, W Wu, Y Wang, TS Yeo, S Liu, F Wang - Remote Sensing, 2021 - mdpi.com
While there are recent researches on hypersonic vehicle-borne multichannel synthetic
aperture radar in ground moving target indication (HSV-MC-SAR/GMTI), this article, which …

A postmatched-filtering image-domain subspace method for channel mismatch estimation of multiple azimuth channels SAR

GC Sun, J Xiang, Y Wang, Z Zhang… - … on Geoscience and …, 2021 - ieeexplore.ieee.org
Multiple azimuth channels (MACs) synthetic aperture radar (SAR) can theoretically achieve
high azimuth resolution and wide swath (HRWS). Nevertheless, in practice, channel …

Robust clutter suppression and ground moving target imaging method for a multichannel SAR with high-squint angle mounted on hypersonic vehicle

J Han, Y Cao, TS Yeo, F Wang - Remote Sensing, 2021 - mdpi.com
This paper investigates a robust clutter suppression and detection of ground moving target
(GMT) imaging method for a multichannel synthetic aperture radar (MC-SAR) with high …

[HTML][HTML] An Azimuth Signal-Reconstruction Method Based on Two-Step Projection Technology for Spaceborne Azimuth Multi-Channel High-Resolution and Wide …

N Li, H Zhang, J Zhao, L Wu, Z Guo - Remote Sensing, 2021 - mdpi.com
Azimuth non-uniform signal-reconstruction is a critical step for azimuth multi-channel high-
resolution wide-swath (HRWS) synthetic aperture radar (SAR) data processing. However …

Processing of multichannel sliding spotlight SAR data with large pulse bandwidth and azimuth steering angle

W Xu, J Hu, P Huang, W Tan… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Azimuth multichannel synthetic aperture radar (SAR) working in the sliding spotlight mode
can effectively achieve ultrahigh resolution and wide swath imaging. However, multichannel …

Emitter localization algorithm based on passive synthetic aperture

L Zhang, H Huan, R Tao, Y Wang - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Emitter localization is an active research topic in electronic reconnaissance. Recently,
passive synthetic aperture (PSA) has been used to determine the azimuth and range …

A novel hypersonic vehicle-borne multichannel SAR-GMTI scheme based on adaptive sum and difference beams within eigenspace

J Han, Y Cao, TS Yeo, F Wang, S Liu - Signal Processing, 2021 - Elsevier
This paper investigates a novel ground moving target indication (GMTI) scheme for a
hypersonic vehicle-borne multichannel synthetic aperture radar (MC-SAR) system with …

On the processing of Gaofen-3 spaceborne dual-channel sliding spotlight SAR data

H Fan, L Zhang, Z Zhang, W Yu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Currently, in the spaceborne synthetic aperture radar (SAR) community, the sliding spotlight
mode has been widely applied to achieve high-resolution imaging. However, limited by the …