Results 101 to 110 of about 19,053 (217)

Global bir ağda GPS/GLONASS, GPS ve GLONASS sonuçlarının karşılaştırılması

open access: yes, 2010
Teknolojinin gelişimine paralel olarak uydularla konum belirleme önemini gün geçtikçe arttırmaktadır. Günümüzde global anlamda uydularla konum belirleme olarak ilk akla gelen uydu sistemi GPS’ dir. GPS en gelişmiş  ve en çok tercih edilen uydu sistemidir.
Alçay, Salih, İnal, Cevat
openaire   +1 more source

Evoluzione dei sistemi GNSS

open access: yesGEOmedia, 2010
Evolution of GNSS systems With this article GEOmedia is starting a review on the latest updates concerning GNSS technology. Since the first GPS satellites, the evolution of GNSS sector witnessed the grow of other constellations: GLONASS, Beidou (Compass)
Gianluca Pititto, Fabrizio Bernardini
doaj  

GPS Multipath Detection in the Frequency Domain

open access: yes, 2016
Multipath is among the major sources of errors in precise positioning using GPS and continues to be extensively studied. Two Fast Fourier Transform (FFT)-based detectors are presented in this paper as GPS multipath detection techniques. The detectors are
Amani, Elie   +5 more
core  

Periodic changes in orbital elements of GLONASS satellite due to the solar radiation pressure

open access: yesJournal of Kufa-Physics, 2016
This paper presents the effect of the sun's radiation pressure on the orbital elements of Russian GLONASS satellites eclipses of the satellite as it passes through the Earth's shadow will be taken into considerations when calculating the pressure effect
Ahmed Kader Izzet
doaj  

The Implementation of Precise Point Positioning (PPP): A Comprehensive Review. [PDF]

open access: yesSensors (Basel), 2023
Elsheikh M   +3 more
europepmc   +1 more source

The Importance of Co-ordination in National Technology Policy: Evidence From the Galileo Public Private Partnership. [PDF]

open access: yes
Policy makers seek to identify an institutional framework that facilitates the commercialization of publicly funded R&D. In the space industry, the formation of such a framework is complicated by certain non-economic factors, such as national security ...
Donald S. Siegel, Vasilis Zervos
core  

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