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 …

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 …

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 …

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 …

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 …

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 …

An improved azimuth reconstruction method for multichannel SAR using vandermonde matrix

P Cheng, J Wan, Q Xin, Z Wang, M He… - IEEE Geoscience and …, 2016 - ieeexplore.ieee.org
To overcome the contradiction between wide swath and high resolution in synthetic aperture
radar systems, a multichannel azimuth reconstruction method is investigated to …

Improved signal reconstruction algorithm for multichannel SAR based on the Doppler spectrum estimation

SS Zuo, M Xing, XG Xia, GC Sun - IEEE Journal of Selected …, 2016 - ieeexplore.ieee.org
For high-resolution wide-swath synthetic aperture radar imaging algorithms, signal
reconstruction is a key step. The steering vector plays an important role in signal …

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 …