Results 31 to 40 of about 102,104 (203)
Performance Evaluation of Troposphere Estimated from Galileo-Only Multi-Frequency Observations
Remote Sensing, 2020 The tropospheric delays estimated from the Global Navigation Satellite System (GNSS) have been proven to be an efficient product for monitoring variations of water vapor, which plays an important role in meteorology applications.
Lewen Zhao +2 more
doaj +1 more source
Space weather: risk factors for Global Navigation Satellite Systems
Solar-Terrestrial Physics, 2021 Extreme space weather events affect the stability and quality of the global navigation satellite systems (GNSS) of the second generation (GPS, GLONASS, Galileo, BeiDou/Compass) and GNSS augmentation.
V. Demyanov, Yury V. Yasyukevich
semanticscholar +1 more source
Increase in Road Transport Safety - Way to Reduction of External Costs
Communications, 2005 Satellite navigation and prepared navigation system Galileo is the key technology that has to open the gate to new applications. It has to ensure Europe to not be too dependent (in term of economic and safety) on nonmember states of EU, to establish new ...
Alica Kalasova
doaj +1 more source
Characteristics of Onefold Clocks of GPS, Galileo, BeiDou and GLONASS Systems
Sensors, 2021 This research is focused on searching for frequency and noise characteristics for available GNSS (Global Navigation Satellite Systems). The authors illustrated frequency stability and noise characteristics for a selected set of data from four different ...
Qingsong Ai +3 more
doaj +1 more source
Galileo in Maritime Applications [PDF]
, 2021 The past decade has seen the continued growth of GPS and its many different applications. The European Union and the European Space Agency has announced the development of the European Global Navigation Satellite System - Galileo.
Christiansen, Stig Erik +5 more
core +1 more source
Satellite Navigation, 2021 The Fractional Cycle Bias (FCB) product is crucial for the Ambiguity Resolution (AR) in Precise Point Positioning (PPP). Different from the traditional method using the ionospheric-free ambiguity which is formed by the Wide Lane (WL) and Narrow Lane (NL)
Jin Wang, Qin Zhang, Guanwen Huang
doaj +1 more source
Instantaneous GPS-Galileo attitude determination: single-frequency performance [PDF]
, 2013 New and modernized global navigation satellite systems (GNSSs) are paving the way for an increasing number of applications in positioning, navigation, and timing (PNT).
Nadarajah, Nandakumaran +2 more
core +1 more source
Remote Sensing, 2021 The European Global Navigation Satellite System Galileo is gradually deploying its constellation. In order to provide reliable navigation and position services, the effectiveness and reliability of ambiguity resolution between reference stations is ...
Yangyang Li +7 more
doaj +1 more source
A System-Level Engineering Approach for Preliminary Performance Analysis and Design of Global Navigation Satellite System Constellations [PDF]
This is a preprint of an article published in International Review
of Aerospace Engineering (IREASE), Vol. 13, No. 3, June 2020, pp. 80-98 (OPEN
ACCESS), 2020 This paper presents a system-level engineering approach for the preliminary coverage performance analysis and the design of a generic Global Navigation Satellite System (GNSS) constellation. This analysis accounts for both the coverage requirements and the robustness to transient or catastrophic failures of the constellation. The European GNSS, Galileo,
arxiv +1 more source
Kinematic Absolute Positioning with Quad-Constellation GNSS [PDF]
, 2019 The absolute positioning technique is based on a point positioning mode with a single Global Navigation Satellite System (GNSS) receiver, which has been widely used in many fields such as vehicle navigation and kinematic surveying.
Cai, Changsheng +3 more
core +2 more sources