Results 1 to 10 of about 75,256 (153)

An On-Orbit Data Marketplace for Distributed Space Domain Awareness

IEEE Access
Modern space vehicles capture a wealth of sensor data that is in high-demand by a wide range of commercial and nation-state beneficiaries. This data can be used to monitor our planet, monitor space traffic and manage collision avoidance, among other use ...
Nathaniel G. Gordon, Gregory Falco
doaj   +5 more sources

Space Domain Awareness Observations Using the Buckland Park VHF Radar

Remote Sensing
There is increasing interest in space domain awareness worldwide, motivating investigation of the use of non-traditional sensors for space surveillance. One such class of sensor is VHF wind profiling radars, which have a low cost relative to other radars
David A. Holdsworth, Andrew J. Spargo, Iain M. Reid, Christian L. Adami   +3 more
doaj   +3 more sources

Micro-Doppler Signature Analysis for Space Domain Awareness Using VHF Radar

Remote Sensing
The large quantity of resident space objects orbiting Earth poses a threat to safety and efficient operations in space. Radar sensors are well suited to detecting objects in space including decommissioned satellites and debris, whereas the more commonly ...
Emma Heading, Si Tran Nguyen, David Holdsworth, Iain M. Reid   +3 more
doaj   +3 more sources

Ionospheric Corrections for Space Domain Awareness Using HF Line-of-Sight Radar

Remote Sensing
As the near-Earth space domain becomes increasingly congested, the field of space domain awareness (SDA) has risen in importance and motivated the use of non-traditional sensors.
Tristan Camilleri, Manuel Cervera
doaj   +3 more sources

CD-TrGNN: A Complex-Domain Transformer–Graph Neural Network for ISAR Space Target Attitude Estimation [PDF]

Sensors
In ground-based space surveillance, space target attitude estimation is critical for space situational awareness, yet existing methods based on inverse synthetic aperture radar (ISAR) images suffer from three core limitations: phase information is ...
Yonghua He, Jiahao Wang, Aoxiang Pan, Wei Qu, Weigang Zhu, Yonggang Li, Wenhang Ji   +6 more
doaj   +2 more sources

A comprehensive review on Cislunar expansion and space domain awareness

Progress in Aerospace Sciences
The Cislunar region is crucial for expanding human presence in space in the forthcoming decades. This paper presents a comprehensive review of recent and anticipated Earth-Moon missions, and ongoing space domain awareness initiatives. An introduction to the dynamics as well as periodic trajectories in the Cislunar realm is presented.
Carolin Frueh, David Canales Garcia, Surabhi Bhadauria   +2 more
exaly   +3 more sources

Adaptive quantum accelerated imaging for space domain awareness

New Journal of Physics
The growth in space activity has increased the need for Space Domain Awareness (SDA) to ensure safe space operations. Imaging and detecting space targets is, however, challenging due to their dim appearance, small angular size/separation, dense ...
Hyunsoo Choi, Fanglin Bao, Zubin Jacob
doaj   +3 more sources

Augmenting the space domain awareness ground architecture via decision analysis and multi-objective optimization [PDF]

Journal of Defense Analytics and Logistics, 2021
Purpose – The US Government is challenged to maintain pace as the world’s de facto provider of space object cataloging data. Augmenting capabilities with nontraditional sensors present an expeditious and low-cost improvement.
Albert Vasso, Richard Cobb, John Colombi, Bryan Little, David Meyer   +4 more
doaj   +1 more source

Neuromorphic Sensing and Processing for Space Domain Awareness

IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium, 2023
As space debris poses substantial risks to space-based assets, the need for efficient, high-resolution monitoring and prediction methods is pressing. This paper presents the findings from the project NEU4SST, exploring Neuromorphic Engineering, specifically event-based visual sensing coupled with Spiking Neural Networks (SNNs), as a solution for ...
Kirkland, Paul, Clemente, Carmine, Macdonald, Malcolm, Di Caterina, Gaetano, Meoni, Gabriele   +4 more
openaire   +3 more sources

Integrated Space Domain Awareness and Communication System

2023 IEEE 97th Vehicular Technology Conference (VTC2023-Spring), 2023
Space has been reforming and this evolution brings new threats that, together with technological developments and malicious intent, can pose a major challenge. Space domain awareness (SDA), a new conceptual idea, has come to the forefront. It aims sensing, detection, identification and countermeasures by providing autonomy, intelligence and flexibility
Selen Geçgel Çetin, Berna Özbek, Gunes Karabulut-Kurt   +2 more
openaire   +4 more sources