Results 21 to 30 of about 5,444,146 (281)
Research Advancements in Key Technologies for Space-Based Situational Awareness
Space: Science & Technology, 2022 The space environment has become highly congested due to the increasing space debris, seriously threatening the safety of orbiting spacecraft. Space-based situational awareness, as a comprehensive capability of threat knowledge, analysis, and decision ...
Beichao Wang +5 more
doaj +1 more source
Space Defense in Europe. Policy and Security Aspects [PDF]
Polish Political Science Yearbook, 2020 Today countries participating in space activities, share serious concerns about militarization of space. The defense of space can become an important issue in the international arena, because counteracting emerging threats will probably be associated not
Małgorzata Polkowska
doaj +1 more source
Sensors, 2018 An Optical Wide-field patroL-Network (OWL-Net) has been developed for maintaining Korean low Earth orbit (LEO) satellites’ orbital ephemeris. The OWL-Net consists of five optical tracking stations.
Jin Choi +5 more
doaj +1 more source
Ontology For Europe's Space Situational Awareness Program [PDF]
, 2017 This paper presents an ontology architecture concept for the European Space Agency‘s (ESA) Space Situational Awareness (SSA) Program. It incorporates the author‘s domain ontology, The Space Situational Awareness Ontology and related ontology work.
Rovetto, Robert J.
core +3 more sources
Performance Analysis of Sensor Systems for Space Situational Awareness [PDF]
Journal of Astronomy and Space Sciences, 2017 With increased human activity in space, the risk of re-entry and collision between space objects is constantly increasing. Hence, the need for space situational awareness (SSA) programs has been acknowledged by many experienced space agencies.
Eun-Jung Choi +8 more
doaj +1 more source
Microservice-Based Platform for Space Situational Awareness Data Analytics
International Journal of Aerospace Engineering, 2020 The development, deployment, and maintenance of the current space situational awareness (SSA) information system have become increasingly complex. However, researchers cannot flexibly and conveniently apply the research results to practical applications ...
Wanjie Lu +6 more
doaj +1 more source
International Journal of Aerospace Engineering, 2018 This paper provides an effective approach for the prediction and estimation of space debris due to a vehicle breakup during uncontrolled reentry. For an advanced analysis of the time evolution of space debris dispersion, new efficient computational ...
Deok-Jin Lee +4 more
doaj +1 more source
Global Space Security and Counter-space Capabilities: the Legal and Political Challenges
Przegląd Prawniczy Uniwersytetu im. Adama Mickiewicza, 2019 This article undertakes a very sensitive issue: space security and counterspace capabilities and arms control. Those issues come under the sovereignty of each state and are strictly connected to national defense and policy.
Małgorzata Polkowska
doaj +1 more source
Integrated Space Situational Awareness Systems: SDA and SSA – Advantages and Limitations
Polish Political Science Yearbook, 2021 SDA (Space Domain Awareness) and SSA (Space Situational Awareness – SSA) have been defined as comprehensive knowledge of space objects and the ability to track, understand, and predict their future location.
Małgorzata Polkowska
doaj +1 more source
Exploring space situational awareness using neuromorphic event-based cameras [PDF]
, 2023 The orbits around earth are a limited natural resource and one that hosts a vast range of vital space-based systems that support international systems use by both commercial industries, civil organisations, and national defence.
Ralph, Nicholas O.
core +1 more source