Results 71 to 80 of about 6,099 (169)

Improving GLONASS Precise Orbit Determination through Data Connection

open access: yesSensors, 2015
In order to improve the precision of GLONASS orbits, this paper presents a method to connect the data segments of a single station-satellite pair to increase the observation continuity and, consequently, the strength of the precise orbit determination ...
Yang Liu   +5 more
doaj   +1 more source

EXPERIMENTAL RESEARCHES OF THE COMBINED GNSS RECEIVER CHARACTERISTICS IN HIGH LATI-TUDES

open access: yesНаучный вестник МГТУ ГА, 2016
The nautical system’s conditions in high latitudes (in the area of Talakan and Igarka airfields) assisted by GLONASS, GPS and combined system GLONASS/GPS have been examined through semirealistic simulation. Nautical session’s conditions are characterized
O. N. Skrypnk   +2 more
doaj  

TECHNIQUE OF CONSTRUCTION AND ANALYSIS OF GLONASS FIELDS OF ACCURACY IN THE GIVEN ZONE OF AIRSPACE

open access: yesНаучный вестник МГТУ ГА, 2016
Based on the usage of LabView’s developed program of orbital motion modeling and the choice of satellite’s working constellation, the methodology of building-up the fields of potential accuracy GLONASS in the given airspace has been proposed. The methods
O. N. Skrypnik   +2 more
doaj  

GLONASS modernization: initial characterization of the first K2 spacecraft [PDF]

open access: yes
The current operational GLONASS constellation comprises three different types of spacecraft: GLONASS-M, GLONASS-M+ and GLONASS-K1. All satellites transmit legacy frequency division multiple access (FDMA) signals in the L1 and L2 frequency bands, where ...
Steigenberger, Peter   +2 more
core   +1 more source

ASG-EUPOS - a Multifunctional Precise Satellite Positioning System in Poland [PDF]

open access: yesTransNav, 2007
With the beginning of January 2007 the realisation of the ASG-EUPOS multifunctional precise satellite positioning system in Poland has begun. The system founded in Poland is a part of a larger project EUPOS?, involving the countries of the Central and ...
Jaroslaw Bosy   +2 more
doaj  

L’ITSS “Majorana-Giorgi” di Genova in orbita con i sistemi di navigazione via satellite

open access: yesGEOmedia, 2015
The article describes an educational experiment: to spread technical know-how on satellite navigation (GPS, GLONASS and Galileo) already at secondary school education level.
Primo Bartoli, Marco Lisi
doaj  

Recent Advances in Wide Area Real-Time Precise Positioning [PDF]

open access: yesTransNav, 2011
This paper describes briefly new high precision wide area real time positioning systems, discusses their evolution, implementation and presents recent results.
Dariusz Lapucha   +5 more
doaj  

Valutazione dell'apporto della costellazione GLONASS nel posizionamento NRTK con ricevitori GNSS geodetici

open access: yesGEOmedia, 2012
Il potenziamento della costellazione satellitare GLONASS consente oggi di disporre di un sistema che ha raggiunto defacto la piena operatività fornendo un contributo importante in qualsiasi rilievo, soprattutto in presenza di ostruzionialla visibilità ...
Gino Dardanelli
doaj  

Testing real time kinematic gnss (GPS and GPS/glonass) methods in obstructed and unobstructed sites ; Preskušanje metod kinematične izmere gnss v realnem času (GPS in GPS/glonass) na zastrtih in nezastrtih lokacijah [PDF]

open access: yesGeodetski Vestnik, 2013
This paper describes an experiment carried out with the GNSS RTK method to combine GPS and GLONASS measurements in obstructed and unobstructed sites.
Atinc Pirti   +2 more
doaj  

The Influence of Application a Simplified Transformation Model Between Reference Frames ECEF and ECI onto Prediction Accuracy of Position and Velocity of GLONASS Satellites

open access: yesReports on Geodesy and Geoinformatics, 2015
In computational tasks of satellite geodesy there is a need for transformation of coordinates between reference frames ECEF – Earth Centered, Earth Fixed and ECI – Earth Centered, Inertial.
Krzyżek Robert, Skorupa Bogdan
doaj   +1 more source

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