Unambiguous reconstruction for multichannel nonuniform sampling SAR signal based on image fusion

L Zhou, X Zhang, Y Wang, L Li, L Pu, J Shi… - IEEE Access, 2020 - ieeexplore.ieee.org
Multichannel signal processing in azimuth is a vital technique to enable a wide-swath
Synthetic Aperture Radar (SAR) with high azimuth resolution. However, the multichannel …

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 …

Azimuth Multichannel SAR Imaging Algorithm Based on Spectral Extrapolation and Image Fusion

Z Tian, Z Yu, Y Guo, J Yu, D Li - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The azimuth multichannel synthetic aperture radar (SAR) technique can simultaneously
achieve high resolution and wide swath, which is important for disaster management, sea …

An improved airborne multichannel SAR imaging method with motion compensation and range-variant channel mismatch correction

J Guo, J Chen, W Liu, C Li… - IEEE Journal of Selected …, 2020 - ieeexplore.ieee.org
To obtain a high-resolution and wide-swath image, the azimuth multichannel technique has
been widely used in synthetic aperture radar (SAR) systems to overcome the contradiction …

A novel unambiguous spectrum reconstruction algorithm for space-borne high resolution and wide swath SAR imaging based on iterative adaptive algorithm

H Huang, PH Huang, XZ Liu, R Wang… - 2019 6th Asia-Pacific …, 2019 - ieeexplore.ieee.org
Due to the constraint of the minimum antenna restriction, there is an irreconcilable
contradiction between high resolution and wide swath (HRWS) in a single-channel …

Channel error effect analysis for reconstruction algorithm in dual-channel SAR imaging

F Xiao, Z Ding, Z Li, T Long - IEEE Geoscience and Remote …, 2019 - ieeexplore.ieee.org
Dual-channel synthetic aperture radar (SAR) system is promising in high-resolution wide-
swath (HRWS) imaging. However, gain and phase unbalance in the dual-channel SAR …

Azimuth Spectrum Reconstruction Algorithm Based on Updating Factors Regionally for Onboard Real-Time Multi-Channel SAR Imaging

P Zheng, Z Ding, L Li, H Li, Z Li - IEEE Journal of Selected …, 2023 - ieeexplore.ieee.org
Multichannel spaceborne synthetic aperture radar (SAR) is a useful approach to overcome
minimum antenna area constraint and achieve high-resolution and wide-swath imaging. For …

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 …

Blocked azimuth spectrum reconstruction algorithm for onboard real-time dual-channel SAR imaging

Z Ding, P Zheng, Y Wang, T Zeng… - IEEE Geoscience and …, 2021 - ieeexplore.ieee.org
Dual-channel synthetic aperture radar (SAR) is a widely used technology to achieve high-
resolution and wide-swath imaging in current SAR system. Due to the fact of nonuniform …

A novel sub-image local area minimum entropy reconstruction method for hrws sar adaptive unambiguous imaging

L Zhou, X Zhang, X Zhan, L Pu, T Zhang, J Shi, S Wei - Remote Sensing, 2021 - mdpi.com
Multichannel high-resolution and wide-swath (HRWS) synthetic aperture radar (SAR) is a
vital technique for modern remote sensing. As multichannel SAR systems usually face the …