Abnormal dynamic recognition of space targets from ISAR image sequences with SSAE-LSTM network

J Duan, Y Ma, L Zhang, P Xie - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Awareness of abnormal dynamics of space targets is critical for space surveillance. With the
intrinsic range-Doppler (RD) projection mechanism, an inverse synthetic aperture radar …

Radar Interferometric Phase Ambiguity Resolution Using Viterbi Algorithm for High-Precision Space Target Positioning

Q Huang, S Wei, L Zhang - IEEE Signal Processing Letters, 2023 - ieeexplore.ieee.org
With the development of space resources, high-precision positioning is a significant way to
obtain the on-orbit status information of space targets. Ground radar interferometric is an …

3-D Reconstruction of Space Target Based on Silhouettes Fused ISAR-Optical Images

B Long, P Tang, F Wang, YQ Jin - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Space situational awareness (SSA) is a critical issue of space security. The SSA of 3-D
information on flying space targets has been operated by inverse synthetic aperture radar …

Geometric Feature Extraction of Satellites Based on 3D Geometry Reconstruction from ISAR Image Sequences

Z Cao, L Du, Z Zhuo, J Chen… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Extracting the geometric features of satellites from inverse synthetic aperture radar (ISAR)
images is a meaningful and challenging task. Previous methods have focused on estimating …

Automatic Dynamic Estimation of On-orbit Satellites through Spaceborne ISAR Imaging

Y Zhou, P Xie, C Li, M Jian, L Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
With the continuous development of satellite constellations worldwide, dynamic estimation of
on-orbit spacecraft plays a more and more important role in space situation awareness …

Non-cooperative target attitude estimation method based on deep learning of ground and space access scene radar images

C Hou, R Zhang, K Yang, X Li, Y Yang, X Ma, G Guo… - Mathematics, 2023 - mdpi.com
Determining the attitude of a non-cooperative target in space is an important frontier issue in
the aerospace field, and has important application value in the fields of malfunctioning …

Measurement of noncooperative spacecraft components using multistatic spaceborne radar and optical images

X Yu, L Wang, R Gong, G Zhang, D Zhu - Digital Signal Processing, 2024 - Elsevier
Attitude and size estimation of spacecraft components is one of the main contents of space
target awareness. In this paper, a radar-camera joint observation scheme applicable to …

Attitude Estimation of On-Orbit Spacecraft Based on the U-Linked Network

Y Zhou, W Li, Y Ma, B Li, Z Wen… - IEEE Geoscience and …, 2022 - ieeexplore.ieee.org
Real-time attitude estimation of on-orbit spacecraft is a core task in various space
applications. Most of the existing methods are based on long-term observation by high …