Integration of super-resolution ISAR imaging and fine motion compensation for complex maneuvering ship targets under high sea state

S Shao, H Liu, L Zhang, P Wang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Under high sea state, ship targets make complex maneuvering motions due to strong
disturbances such as sea waves and sea winds. Selecting the optimal imaging time interval …

ISAR imaging for maneuvering targets with complex motion based on generalized radon-fourier transform and gradient-based descent under low SNR

Z Yang, D Li, X Tan, H Liu, Y Liu, G Liao - Remote Sensing, 2021 - mdpi.com
The existing inverse synthetic aperture radar (ISAR) imaging algorithms for ship targets with
complex three-dimensional (3D) rotational motion are not applicable because of continuous …

Frame selection method for isar imaging of 3-d rotating target based on time–frequency analysis and radon transform

BH Ryu, IH Lee, BS Kang, KT Kim - IEEE Sensors Journal, 2022 - ieeexplore.ieee.org
When a target has 3-D rotation accompanying roll–pitch–yaw movement, it yields an
additional phase component, which cannot be compensated for by any of the existing …

Time window selection algorithm for ISAR ship imaging based on instantaneous Doppler frequency estimations of multiple scatterers

P Zhou, X Zhang, Y Dai, W Sun… - IEEE Journal of Selected …, 2019 - ieeexplore.ieee.org
Selecting a suitable time window is an important aspect of the ship imaging process for
inverse synthetic aperture radar (ISAR) systems. One type of existing algorithm involves …

Sparsity-driven inverse synthetic aperture radar imaging using accelerated meta-heuristic optimization

KM Lee, IH Lee, KT Kim - IEEE Transactions on Aerospace and …, 2022 - ieeexplore.ieee.org
When the inverse synthetic aperture radar (ISAR) system has sparse-aperture (SA) dataset
along the cross-range axis, it can blur the ISAR image of target having complex motion. To …

An optimal imaging time interval selection technique for marine targets ISAR imaging based on sea dynamic prior information

S Shao, L Zhang, H Liu - IEEE Sensors Journal, 2019 - ieeexplore.ieee.org
Marine targets are usually involved in remarkably strong maneuvering motion due to sea
wave disturbance, which will cause continual change of inverse synthetic aperture radar …

Bistatic ISAR imaging for nonuniformly rotating targets

BS Kang, BH Ryu, KT Kim - IEEE Transactions on Aerospace …, 2018 - ieeexplore.ieee.org
When a target undergoes nonuniform rotational motion (RM), conventional motion
compensation (MOCOM) approaches for monostatic inverse synthetic aperture radar (ISAR) …

Reconstruction of Fine Cross-Range Resolution ISAR Images of Targets in 3-D Motion using Compressed Sensing and Frame Selection

IH Lee, KM Lee, MG Cho, KT Kim… - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
The Inverse Synthetic Aperture Radar (ISAR) is a powerful tool for target recognition and
classification. However, generating focused ISAR images of moving targets is challenging …

Improved ship imaging algorithm for geosynchronous synthetic aperture radar (SAR) featured by subaperture time window selection optimization and inverse SAR …

P Zhou, X Li, H Zhang, Z Zhang… - Journal of Applied …, 2023 - spiedigitallibrary.org
An inverse synthetic aperture radar processing-based algorithm is improved for ship
imaging in geosynchronous synthetic aperture radars (GEO SARs) to solve the technical …