Results 131 to 140 of about 8,653 (226)

Performance Evaluation of CentiSpace Navigation Augmentation Experiment Satellites. [PDF]

Sensors (Basel), 2023
Chen L, Lv F, Yang Q, Xiong T, Liu Y, Yang Y, Pan H, Wang S, Liu M, He R, Zheng D, Zhang L, Jin Y.   +12 more
europepmc   +1 more source

Modeling GPS Satellite Orbits Using KAM Tori [PDF]

, 2008
Global Positioning System (GPS) satellite orbits are modeled using Kolmogorov, Arnold, Moser (KAM) tori. Precise Global Positioning System satellite locations are analyzed using Fourier transforms to identify the three basis frequencies in an Earth ...
Derbis, Rachel M.
core   +1 more source

Izračun položaja GPS-satelita iz podatkov preciznih efimerid : GPS-orbit computation from precise ephemeris data [PDF]

Geodetski Vestnik, 2005
The article describes the theoretical point of view of the GPS precise ephemerides application that should be used in most precise GPS processing. Regarding broadcast, precise ephemerides allow us to achieve a much better accuracy of the final GPS ...
Bojan Stopar, Polona Pavlovčič Prešeren   +1 more
doaj  

Prediction of IGS RTS Orbit Correction Using LSTM Network at the Time of IOD Change. [PDF]

Sensors (Basel), 2022
Kim B, Kim J.
europepmc   +1 more source

Real-time relative positioning of spacecraft over long baselines [PDF]

, 2014
This paper deals with the problem of real-time onboard relative positioning of low Earth orbit spacecraft over long baselines using the Global Positioning System.
Grassi M, Renga A, Tancredi U
core  

TEMPO2, a new pulsar timing package. I: Overview

, 2006
Contemporary pulsar timing experiments have reached a sensitivity level where systematic errors introduced by existing analysis procedures are limiting the achievable science.
Backer, Backer, Bell, Blandford, Damour, Damour, Feissel, Folkner, Foster, Foster, G. B. Hobbs, Guinot, Harada, Hilton, Hobbs, Hobbs, Irwin, Issautier, Jenet, Kopeikin, Kopeikin, Lange, Lieske, Lorimer, Lyne, Lyne, Lyne, Manchester, McCarthy, Petit, Phillips, Press, R. N. Manchester, R. T. Edwards, Ryba, Seiber, Seidelmann, Shapiro, Shklovskii, Spitzer, Splaver, Stairs, Standish, Standish, Taylor, Taylor, van der Swaluw, Wall, Wang, Wex, Wolszczan   +50 more
core   +1 more source

A Double-Difference Doppler Shift-Based Positioning Framework with Ephemeris Error Correction of LEO Satellites [PDF]

arXiv
In signals of opportunity (SOPs)-based positioning utilizing low Earth orbit (LEO) satellites, ephemeris data derived from two-line element files can introduce increasing error over time. To handle the erroneous measurement, an additional base receiver with a known position is often used to compensate for the effect of ephemeris error when positioning ...
arxiv  

GPS Interferometry [PDF]

This semi-annual progress report provides an overview of the work performed during the first six months of Grant NAG 1 1423, titled 'GPS Interferometry'. The Global Positioning System (GPS) is a satellite-based positioning and timing system.
Vangrass, Frank
core   +1 more source

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

Sci Rep, 2023
Xin J, Guo R, Chen J, Tian Y, Cao Y, Liu Y, Li X, Wang D, Cai H.   +8 more
europepmc   +1 more source

Signal-in-space range error and positioning accuracy of BDS-3. [PDF]

Sci Rep, 2022
Liu W, Jiao B, Hao J, Lv Z, Xie J, Liu J.   +5 more
europepmc   +1 more source