Results 31 to 40 of about 20,840 (245)
Medium Earth Orbit dynamical survey and its use in passive debris removal
, 2019 The Medium Earth Orbit (MEO) region hosts satellites for navigation, communication, and geodetic/space environmental science, among which are the Global Navigation Satellites Systems (GNSS).
Rosengren, Aaron J. +3 more
core +1 more source
An Integrated Framework for Sensing Radio Frequency Spectrum Attacks on Medical Delivery Drones
, 2020 Drone susceptibility to jamming or spoofing attacks of GPS, RF, Wi-Fi, and operator signals presents a danger to future medical delivery systems. A detection framework capable of sensing attacks on drones could provide the capability for active responses.
Kulp, Philip H., Mei, Nagi
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Communications, 2019 The article presents the possibility of using the Between Satellite Single Difference method (BSSD) in the precise determination of the aircraft position in the Global Navigation Satellite System GLONASS navigation system.
Kamil Krasuski
doaj +1 more source
Análise do GNSS PPP multi-constelações com uso dos sistemas GPS, GLONASS e Galileo
Revista Brasileira de Cartografia, 2020 Dentre os sistemas que compõem o GNSS, estão completamente funcionais o GPS e o GLONASS. Além disso, encontram-se em desenvolvimento o Galileo e o BeiDou, sendo que o Galileo dispõe de 17 satélites operantes.
Raiane Rintielle Vaz Menezes +1 more
doaj +1 more source
Towards Quantum Communication from Global Navigation Satellite System
, 2018 Satellite-based quantum communication is an invaluable resource for the realization of a quantum network at the global scale. In this regard, the use of satellites well beyond the low Earth orbits gives the advantage of long communication time with a ...
Agnesi, Costatino +9 more
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Solar-Terrestrial Physics, 2023 The paper presents the results of estimation of the effects of September 5–12, 2017 solar flares on the regional disturbance of Earth's ionosphere according to data from a distributed network of GNSS stations located mostly in the Volga Federal District ...
Maksimov D. S. +3 more
doaj +1 more source
A turn-key Concept for active cancellation of Global Positioning System L3 Signal [PDF]
, 2010 We present a concept, developed at the National Astronomy and Ionosphere Center (NAIC) at Arecibo, Puerto Rico, for active suppression of Global Positioning System (GPS) signals in the 305 m dish radio receiver path prior to backend processing.
Edgar, Clyde +6 more
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Journal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.Abstract Medium‐Scale Traveling Ionospheric Disturbances (MSTIDs) have long been a subject of interest in ionospheric research. However, their spatiotemporal variability across regions, local times, seasons, and solar cycles is very complicated and remains not well established.
Jing Liu +4 more
wiley +1 more source
Optimization of an aircraft flight trajectory in the GLONASS dynamic accuracy field
Научный вестник МГТУ ГА, 2019 The authors consider the problem of optimization of aircraft flight trajectories in air traffic management (ATM) on the basis of flexible routing technologies which involve the use of satellite navigation systems (SNS).
O. N. Skrypnik +3 more
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Considerations for Future IGS Receivers [PDF]
, 2008 Future IGS receivers are considered against the backdrop of GNSS signal modernization and the IGS’s goal of further improving the accuracy of its products.
Humphreys, Todd E. +2 more
core +1 more source