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 …

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 …

Model-data co-driven integration of detection and imaging for geosynchronous targets with wideband radar

S Shao, H Liu, L Zhang, J Yan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The high orbit height and long coherent processing interval (CPI) of geosynchronous (GEO)
targets lead to the problems of ultralow signal-to-noise ratio (ULSNR) and complex signal …

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 …

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 …

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 …

ISAR Imaging for Non-cooperative Targets based on Sharpness Criterion under Low SNR

Z Yang, X Tan, W Tian, X Dong… - IEEE Journal of Selected …, 2023 - ieeexplore.ieee.org
Inverse synthetic aperture radar (ISAR) imaging for noncooperative targets with complex
translational motion (TM) and 3-D rotational motion (RM) face the problem of spatial-variant …

Joint Translational Motion Compensation for Multi-target ISAR Imaging Based on Integrated Kalman Filter

Y Li, J Wang, R Liu, J Ding, P Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Traditionally, when multiple targets appear within the radar beam at the same time, the
range profiles of different targets are coupled together, the existing algorithms usually image …

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 …