Application status and prospect of digital twin for on-orbit spacecraft

W Yang, Y Zheng, S Li - IEEE Access, 2021 - ieeexplore.ieee.org
With cloud computing, big data, artificial intelligence and other new information technologies
going into space, the era of space intelligence is coming. The spacecraft is facing more …

Spacecraft collision avoidance using aerodynamic drag

SR Omar, R Bevilacqua - Journal of Guidance, Control, and Dynamics, 2020 - arc.aiaa.org
THE increasing number of actors in space has led to an increased risk of on-orbit collisions
[1]. Predictions have shown that, if action is not taken to mitigate the risks of collisions in …

Space debris detection in optical image sequences

J Xi, D Wen, OK Ersoy, H Yi, D Yao, Z Song, S Xi - Applied optics, 2016 - opg.optica.org
We present a high-accuracy, low false-alarm rate, and low computational-cost methodology
for removing stars and noise and detecting space debris with low signal-to-noise ratio (SNR) …

Stargaze: a Leo constellation emulator for security experimentation

PTJ Kon, D Barradas, A Chen - Proceedings of the 4th Workshop on CPS …, 2022 - dl.acm.org
Low-earth orbit (LEO) satellite constellations are a special type of cyber-physical systems.
Their meteoric rise has led to the proposition of many novel use cases and applications …

Development of a novel autonomous space debris collision avoidance system for uncrewed spacecraft

M Sarkar, S Barad, A Mohit - Proceedings of the Institution of …, 2022 - journals.sagepub.com
The objective of the study is to model a system which can effectively prevent the collision
between space debris and spacecraft by robust design and algorithms of the system. The …

Dynamic modeling and prediction of post launch rebound mechanism of tethered space net

W Zhu, Z Pang, J He, ZH Zhu - Applied Mathematical Modelling, 2025 - Elsevier
This study presents a mathematical model to analyze the complex dynamics and rebound
mechanism of the Tethered Space Net (TSN). Using the lumped mass method, a dynamic …

Mission planning for active removal of multiple space debris in low Earth orbit

JH Choi, C Park, J Lee - Advances in Space Research, 2024 - Elsevier
This study presents a novel framework of mission planning for actively removing multiple
space debris in low Earth orbit. The associated problem is formulated as a multi-objective …

High-resolution radar imaging of space debris based on sparse representation

J Zhu, S Zhu, G Liao - IEEE Geoscience and Remote Sensing …, 2015 - ieeexplore.ieee.org
Short data and large Doppler bandwidth in a low-pulse-repetition-frequency system is a
challenging problem for space debris imaging. Meanwhile, space debris usually rotates at a …

[PDF][PDF] 基于块稀疏的空间碎片群目标成像方法

朱江, 廖桂生, 朱圣棋 - 电子与信息学报, 2015 - jeit.ac.cn
针对星载雷达空间碎片群目标回波无法分离问题, 该文利用回波在距离向表现出的块聚集特性,
提出一种基于块稀疏的高分辨ISAR 成像方法. 基于块稀疏压缩感知理论, 通过利用空间碎片群 …

[PDF][PDF] 基于稀疏采样的空间碎片群目标成像方法

朱江, 邓佳欣, 廖桂生, 朱圣棋 - 雷达学报, 2016 - edit.radars.ac.cn
低重频, 短数据条件下的雷达成像是比较困难的, 同时, 星载平台观测的碎片目标多以群目标形式
出现. 针对窄带条件下的空间碎片群目标成像问题, 该文提出了一种基于稀疏重构的空间碎片群 …