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 …

A subspace algorithm of calibrating channel gain and phase errors for HRWS SAR imaging

L Zhang, Y Gao, K Wang, X Liu - 2017 IEEE Radar Conference …, 2017 - ieeexplore.ieee.org
Azimuth multichannel SAR system is a promising solution to achieve high-resolution and
wide-swath (HRWS) imaging for spaceborne synthetic aperture radar (SAR) system. These …

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 …

Phase bias estimation algorithm for HRWS SAR system in azimuth based on Doppler spectrum optimization

Z WANG, Y LIU, Z LI, J CHEN - 电子与信息学报, 2016 - jeit.ac.cn
By suppressing the Doppler ambiguity, the along-track multi-channel Synthetic Aperture
Radar (SAR) system can simultaneously achieve High-Resolution and Wide-Swath (HRWS) …

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 …

Phase bias estimation and imaging for high-squint multichannel SAR in azimuth

Y Zhou, Z Wang, J Liu, X Han, L Zheng… - IEEE Geoscience and …, 2023 - ieeexplore.ieee.org
High-squint multichannel synthetic aperture radar (SAR) in azimuth can overcome the
constraint of minimum antenna area in the traditional single-channel classical SAR system …

Reconstruction of azimuth signal for multichannel HRWS SAR imaging based on periodic extension

L Zhang, N Zhang, Y Gao, K Wang… - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
Along a roughly chronological order, the azimuth signals undersampled from the
multichannel synthetic aperture radar (SAR) for high-resolution wide-swath (HRWS) imaging …

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 …

A Novel Spectrum Reconstruction and Imaging Processing Method for Squint Multichannel SAR

J Ma, P Wang, Y Guo, T He… - IGARSS 2022-2022 IEEE …, 2022 - ieeexplore.ieee.org
Azimuth multichannel synthetic aperture radar (SAR) is a form of SAR with one transmitter
and several receivers, which is able to obtain both high resolution and wide swath imaging …

An Efficient HRWS Sar Reconstruction Method Based on Frequency Domain Back Projection

L Zhou, X Zhang, Y Xu - IGARSS 2022-2022 IEEE International …, 2022 - ieeexplore.ieee.org
Azimuth unambiguous reconstruction is a significant and challenging step for HRWS SAR
imaging. Compared with conventional frequency-based reconstruction algorithms, the …