Ultrawideband ISAR imaging of maneuvering targets with joint high-order motion compensation and azimuth scaling

S Shao, H Liu, L Zhang, P Wang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Ultrawideband (UWB) radar can achieve ultrahigh-resolution inverse synthetic aperture
radar (ISAR) imaging of noncooperative targets by transmitting UWB signals. However, the …

GEO targets ISAR imaging with joint intra-pulse and inter-pulse high-order motion compensation and sub-aperture image fusion at ULCPI

S Shao, H Liu, J Wei - IEEE Transactions on Geoscience and …, 2023 - ieeexplore.ieee.org
The high orbit height leads to the ultralow signal-to-noise ratio (ULSNR) of geosynchronous
(GEO) targets, so it is necessary to increase the coherent processing interval (CPI) to …

High-resolution ISAR imaging of maneuvering targets based on azimuth adaptive partitioning and compensation function estimation

S Yang, S Li, H Fan, Y Liu - IEEE Transactions on Geoscience …, 2023 - ieeexplore.ieee.org
An important challenge in high-resolution inverse synthetic aperture radar (ISAR) imaging of
maneuvering targets is the 2-D spatial-variant (SV) high-order phase error. The classic …

An efficient ISAR imaging approach for highly maneuvering targets based on subarray averaging and image entropy

Z Yang, D Li, X Tan, H Liu, L Xu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Owing to the highly maneuvering character involved in targets, the nonuniform 3-D rotation
motions make the assumption that the image projection plane (IPP) is constant during …

New ISAR imaging algorithm based on modified Wigner–Ville distribution

M Xing, R Wu, Y Li, Z Bao - IET radar, sonar & navigation, 2009 - IET
Inverse synthetic aperture radar (ISAR) imaging of air, space or ship targets with complex
motion has attracted the attention of many researchers in the past decade. Complex motion …

A novel ISAR imaging approach for maneuvering targets with satellite-borne platform

D Li, J Ren, H Liu, Z Yang, J Wan… - IEEE Geoscience and …, 2021 - ieeexplore.ieee.org
Inverse synthetic aperture radar (ISAR) imaging for maneuvering targets has always been a
challenging task due to azimuth time-varying Doppler frequency modulation, especially …

Spaceborne ISAL imaging algorithm for high-speed moving targets

H Yin, Y Li, L Guo, S Li, X Wang… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
During the spaceborne inverse synthetic aperture ladar (ISAL) imaging, the radial velocity
between the piggyback satellite of ladar and the observed satellite is usually relatively large …

Translational Motion Compensation Method for ISAR Imaging of Air Maneuvering Weak Targets Based on CV-GRUNet

Y Jiang, H Ni, R Chen, Z Liu - IEEE Geoscience and Remote …, 2024 - ieeexplore.ieee.org
For air maneuvering targets, the higher order components in the translational motion can
induce severe range shifts and phase errors. They can deteriorate the performance of …

High-resolution ISAR imaging for maneuvering targets based on iterative adaptive processing

P Huang, M Zhan, Z Yang, X Liu, G Liao… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Inverse synthetic aperture radar (ISAR) imaging for maneuvering targets undergoing
significant angular motions in a high-resolution radar system is a complicated task due to the …

A novel ISAR imaging algorithm for maneuvering targets

X Zhu, Y Jiang, Z Liu, R Chen… - IEEE Geoscience and …, 2021 - ieeexplore.ieee.org
For inverse synthetic aperture radar (ISAR) imaging of the maneuvering target, when the
time-varying rotational acceleration arises, the image will become blurred because of high …