Results 81 to 90 of about 723 (177)
Space Acquisitions: Development and Oversight Challenges in Delivering Improved Space Situational Awareness Capabilities [PDF]
, 2011 A letter report issued by the Government Accountability Office with an abstract that begins "The United States' growing dependence on space systems makes them vulnerable to a range of threats.
United States. Government Accountability Office.
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An intelligent conversational agent for querying satellite manoeuvre detections: a case study
Discover Artificial IntelligenceSpace Situational Awareness (SSA) focuses on the observation and monitoring of satellites primarily by earth-based sensors. An important component of SSA is the detection of satellite manoeuvres.
Wathsala Karunarathne +2 more
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Teka Komisji Prawniczej PAN Oddział w Lublinie, 2018 This article undertakes a very sensitive issue such as space security and its implementation urgency into national law. There are a number of challenges to the security of space infrastructure, such as unintentional threats (space debris), intentional threats (space weapons, malicious interference, cyber-attacks) or threats related to the weather in ...
openaire +1 more source
Orbital Perturbations for Space Situational Awareness
, 2020 Because of the increasing population of space objects, there is an increasing necessity to monitor and predict the status of the near-Earth space environment, especially of critical regions like geosynchronous Earth orbit (GEO) and low Earth orbit (LEO ...
Paul, Smriti Nandan
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Applied SciencesThis paper presents the design, simulation, and experimental validation of a dual-Circularly Polarized (CP) array antenna to be used as single element for a bistatic radar system, aimed at detecting and tracking objects in Low Earth Orbit (LEO).
Chiara Scarselli +2 more
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Enhanced Conjunction Assessment in LEO: A Hybrid Monte Carlo and Spline-Based Method Using TLE Data
AerospaceThe growing density of space objects in low Earth orbit (LEO), driven by the deployment of large satellite constellations, has elevated the risk of orbital collisions and the need for high-precision conjunction analysis.
Shafeeq Koheal Tealib +5 more
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Event-based sensing for space situational awareness
, 2017 A revolutionary type of imaging device, known as a silicon retina or event-based sensor, has recently been developed and is gaining in popularity in the field of artificial vision systems.
Cohen, Gregory (R18542) +6 more
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Enhancing space situational awareness using a 3U CubeSat with optical imager [PDF]
, 2010 Space situational awareness is extremely important in order to maintain the safety and usability of earth-orbiting satellites, as well as protecting astronauts living and working in space.
Flanagan, Jason A.
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Optimal Control Applications in Space Situational Awareness
, 2011 There are currently more than 19,000 trackable objects in Earth orbit, 1,300 of which are active. With so many objects populating the space object catalog and new objects being added at an ever increasing rate, ensuring continued access to space is ...
Holzinger, Marcus J.
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Optimization of a Walker Constellation Using an RBF Surrogate Model for Space Target Awareness
AerospaceDesigning Low Earth Orbit (LEO) constellations for the continuous, collaborative observation of space objects in MEO/GEO is a complex optimization task, frequently limited by prohibitive computational costs.
You Fu +6 more
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