Radial Velocity Estimation Approach of Ship for Spaceborne Multi-Channel HRWS SAR SLC Data

K Wang, X Wang, L Guo, J Chen… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Multichannel high-resolution and wide-swath (MC-HRWS) synthetic aperture radar (SAR)
systems with digital beamforming (DBF) in azimuth can suppress Doppler ambiguity to …

Radial velocity estimation of ships on open sea in the azimuth multichannel SAR system

J Yang, X Qiu, M Shang, S Lv… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
The azimuth multichannel synthetic aperture radar (SAR) system can meet the requirements
of high resolution and wide swath (HRWS) simultaneously, which overcomes the constraint …

An Accurate Ocean Doppler Velocity Estimation Approach for Azimuth MC-HRWS SAR System

K Wang, X Wang, L Guo, J Chen… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In recent years, multiple synthetic aperture radar (SAR) satellites, such as Radarsat-2 and
Gaofen-3 (GF-3) spaceborne SAR systems have adopted multichannel high-resolution and …

A Radial Velocity Estimation Method of Moving Ships for Spaceborne MC-ScanSAR Systems

K Wang, Q Shen, X Wang, X Yuan, L Cui… - … on Aerospace and …, 2024 - ieeexplore.ieee.org
Multichannel synthetic aperture radar (MC-SAR) systems in azimuth combined with
scanning mode can realize the requirements of high-resolution and ultrawide-swath SAR …

An ML-based radial velocity estimation algorithm for moving targets in spaceborne high-resolution and wide-swath SAR systems

T Jin, X Qiu, D Hu, C Ding - Remote Sensing, 2017 - mdpi.com
Multichannel synthetic aperture radar (SAR) is a significant breakthrough to the inherent
limitation between high-resolution and wide-swath (HRWS) compared with conventional …

An unambiguous imaging method of moving target for maritime scenes with spaceborne high-resolution and wide-swath SAR

Y Long, F Zhao, M Zheng, L Zhao… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In azimuth multichannel high-resolution and wide-swath (AMC-HRWS) synthetic aperture
radar (SAR) system, undersampling of azimuth signal results in the failure of the single …

Maximum‐likelihood‐based Doppler centroid estimation algorithm for MC‐HRWS SAR system

J Li, X Li, M Lin, J Shi, S Zhang - Electronics Letters, 2014 - Wiley Online Library
For the multi‐channel in azimuth high‐resolution and wide‐swath (MC‐HRWS) synthetic
aperture radar (SAR), a novel maximum‐likelihood‐based Doppler centroid estimation …

Retrieval of Ship Radial Velocity From Single-Channel Complex-Valued Spaceborne SAR Imagery

CH Gierull, K El-Darymli - IEEE Transactions on Aerospace and …, 2024 - ieeexplore.ieee.org
This paper proposes two different techniques to estimate the radial velocity component in
complex-valued singlechannel space-based Synthetic Aperture Radar (SAR) systems for …

High-squint SAR imaging of maritime ship targets

X Xu, F Su, J Gao, X Jin - IEEE Transactions on Geoscience …, 2020 - ieeexplore.ieee.org
High-squint synthetic aperture radar (HS-SAR) imaging technology greatly enhances the
flexibility of SAR. However, the existing HS-SAR imaging algorithms are generally based on …

Real‐time parameter estimation for SAR moving target based on WVD slice and FrFT

H Wang, Y Jiang - Electronics Letters, 2018 - Wiley Online Library
Most synthetic aperture radar (SAR) applies to static targets while moving targets appear
unfocused in SAR images. To obtain clear images of moving targets, the Doppler parameter …