Results 91 to 100 of about 4,451 (211)

Getting Into Networks and Clusters: Evidence on the GNSS composite knowledge process in (and from) Midi-Pyrénées [PDF]

open access: yes
This paper aims to contribute to the empirical identification of clusters by proposing methodological issues based on network analysis. We start with the detection of a composite knowledge process rather than a territorial one stricto sensu.
Jérôme Vicente   +2 more
core  

Global navigation satellite systems (GNSS) - the actual state and trends of further development over the world [PDF]

open access: yes, 2011
Druhy GNSS ve světě. Použití GNSS v letectví. Možnosti využití GNSS ve společnosti.Kinds of GNSS. Applicability of GNSS in civil aviation. General serviceability of GNSS.
Liberda, Jiří
core  

Performance analysis of the BDSBAS-B1C message in trial operation stage. [PDF]

open access: yesSci Rep, 2023
Xin J   +8 more
europepmc   +1 more source

A Comparative Study of SBAS Systems for Navigation in Geostationary Orbit [PDF]

open access: yes, 2015
Real data has been collected from space demonstrating the CanX-2 receiver’s ability to track the WAAS, EGNOS, GAGAN, and MSAS systems. Two types of analysis were performed, in order to assess the suitability of SBAS ranging measurements as a source of ...
Kahr, Erin   +2 more
core  

NEW STRATEGY THE FOR DESIGNATION OF THE INTEGRITY PARAMETER IN SBAS POSITIONING IN AIR TRANSPORT [PDF]

open access: yesScientific Journal of Silesian University of Technology. Series Transport
The article shows the results of a study on the determination of SBAS satellite positioning integrity parameters as a HPL and VPL protection levels. To this end, a modified algorithm was developed to determine the HPL and VPL protection levels from a ...
Magda MROZIK   +5 more
doaj   +1 more source

Satelliittipaikannusjärjestelmät ja niiden hyödyt yrityksille [PDF]

open access: yes, 2014
Eurooppa on kehittämässä uutta satelliittipaikannusjärjestelmää nimeltään Galileo. Tämän opinnäytetyön tavoitteena on analysoida paikannusjärjestelmät ja niiden tuomat mahdollisuudet.
Chung, Dat
core  

Enhancing public safety and security of critical national infrastructure utilizing the Nigerian Satellite Augmentation System (NSAS) [PDF]

open access: yes, 2015
After the First World War, radio time signals offered alternative technology for determination of the Greenwich time and thus longitude at sea. The first manifestation of new technology capable of usurping the super accurate mechanical chronometers ...
Chatwin, Chris, Lawal, Lasisi S
core  

Il sistema EGNOS a supporto della navigazione sicura nei porti: il progetto SafePort

open access: yesGEOmedia, 2012
Il progetto SafePort, sviluppato all’interno del 7° Programma Quadro promosso dalla Unione Europea con la supervisione di European GNSS Agency (GSA) che segue tutti i programmi applicativi inerenti ai sistemi GNSS europei, Galileo ed EGNOS, ha l ...
Antonio Casoria   +7 more
doaj   +2 more sources

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