Hybrid SAR-ISAR image formation via joint FrFT-WVD processing for BFSAR ship target high-resolution imaging

Z Li, X Zhang, Q Yang, Y **ao, H An… - … on Geoscience and …, 2021 - ieeexplore.ieee.org
Bistatic forward-looking synthetic aperture radar (BFSAR) is a kind of bistatic SAR system
that can image forward-looking terrain in the flight direction of the receiver. Current literature …

Imaging and relocation for extended ground moving targets in multichannel SAR-GMTI systems

P Huang, XG **a, L Wang, H Xu, X Liu… - … on Geoscience and …, 2021 - ieeexplore.ieee.org
In a multichannel synthetic aperture radar (SAR) system, because of the target
uncooperative motion, a ground moving target (GMT) is usually smeared, distorted, and …

Simultaneous radio frequency and wideband interference suppression in SAR signals via sparsity exploitation in time–frequency domain

H Liu, D Li, Y Zhou, TK Truong - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper addresses the problem of recovering a synthetic aperture radar (SAR) signal that
is corrupted by both radio frequency interference (RFI) and wideband interference (WBI) …

Parameters estimation of linear frequency modulated signal using Kalman filter and its extended versionsFree GPT-4

E Moradi, R Mohseni - Signal, Image and Video Processing, 2023 - Springer
The problem of linear frequency modulated (LFM) or chirp signal analysis is proposed in this
paper. It is considered as an estimation theory problem in which the LFM parameters are …

Ground maneuvering targets imaging for synthetic aperture radar based on second-order keystone transform and high-order motion parameter estimation

C Zeng, D Li, X Luo, D Song, H Liu… - IEEE Journal of Selected …, 2019 - ieeexplore.ieee.org
With the developments of the synthetic aperture radar (SAR) system, the long dwell time
provides high resolution but at the same time it produces large range migration (RM) and …

Spaceborne distributed aperture radar maneuvering target detection approach with space-time 2D hybrid integration technique

X Kang, J Wan, D Li, Q Liu, H Liu, R Hu, Z Chen - Signal Processing, 2024 - Elsevier
Moving target detection in spaceborne distributed aperture radar (SBDAR) is a challenging
task in civilian and military fields. The common issues are that the current methods suffer …

ISAR imaging for low-earth-orbit target based on coherent integrated smoothed generalized cubic phase function

Y Du, Y Jiang, Y Wang, W Zhou… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In the high-resolution inverse synthetic aperture radar (ISAR) imaging of low-earth-orbit
space targets, the received signal from one range bin can be modeled as a multicomponent …

A radar imaging method using nonperiodic interrupted sampling linear frequency modulation signal

Q Wu, X Liu, J Liu, F Zhao, S **ao - IEEE Sensors Journal, 2018 - ieeexplore.ieee.org
Linear frequency modulation (LFM) signal is widely applied in imaging radar including
synthetic aperture radar (SAR) and inverse SAR (ISAR). Jamming techniques against LFM …

Nonambiguous SAR image formation of maritime targets using weighted sparse approach

G Xu, XG **a, W Hong - IEEE Transactions on Geoscience and …, 2017 - ieeexplore.ieee.org
For a single-channel synthetic aperture radar (SAR), finite-pulse repetition frequency and
nonideal antenna pattern cause azimuth ambiguities, ie, ghosts in image domain. In this …

An Efficient ISAR Imaging and Scaling Method for Highly Maneuvering Targets Based on ICPF-PSVA

J Ding, J Wang, Y Li, M Li, E Zhu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The imaging quality and efficiency are equally important in inverse synthetic aperture radar
(ISAR) imaging. The high-order spatial variant (SV) phase errors induced by the target's …