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 …

Clutter-cancellation-based channel phase bias estimation algorithm for spaceborne multichannel high-resolution and wide-swath SAR

C Fang, Y Liu, Z Li, T Yang… - IEEE Geoscience and …, 2016 - ieeexplore.ieee.org
When combined with digital beam-forming (DBF) techniques, multichannel synthetic
aperture radar (SAR) systems can achieve high-resolution and wide-swath SAR imaging …

A novel approach to Doppler centroid and channel errors estimation in azimuth multi-channel SAR

Y Zhou, R Wang, Y Deng, W Yu, H Fan… - … on Geoscience and …, 2019 - ieeexplore.ieee.org
Multi-channel synthetic aperture radar (SAR) in azimuth can overcome the minimum-
antenna-area constraint of the conventional SAR in high-resolution and wide-swath (HRWS) …

An adaptively weighted least square estimation method of channel mismatches in phase for multichannel SAR systems in azimuth

Y Liu, Z Li, T Yang, Z Bao - IEEE Geoscience and Remote …, 2013 - ieeexplore.ieee.org
Multichannel synthetic aperture radar (SAR) systems in azimuth can achieve high-resolution
and wide-swath imaging. However, the quality of final SAR image can be degraded by the …

Robust channel phase error calibration algorithm for multichannel high-resolution and wide-swath SAR imaging

L Zhang, Y Gao, X Liu - IEEE Geoscience and Remote Sensing …, 2017 - ieeexplore.ieee.org
High-resolution and wide-swath synthetic aperture radar (SAR) imaging can be achieved by
the azimuth multichannel system. The minimum variance distortionless response (MVDR) …

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) …

A modified range Doppler algorithm for high-squint SAR data imaging

Y Guo, P Wang, Z Men, J Chen, X Zhou, T He, L Cui - Remote Sensing, 2023 - mdpi.com
The high-squint airborne Synthetic Aperture Radar (SAR) has the ability to detect the target
area flexibly, and the detection swath is significantly increased compared with the side …

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 …

A Novel Imaging Scheme of Squint Multichannel SAR: First Result of GF-3 Satellite

Y Lv, M Shang, L Zhong, X Qiu, C Ding - Remote Sensing, 2022 - mdpi.com
The azimuth multichannel synthetic aperture radar (MC-SAR) is an effective means of earth
observation due to its high-resolution and wide-swath (HRWS) imaging capability …

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 …