Results 21 to 30 of about 686 (184)

Application of GAPS Software for Kinematic Positioning [PDF]

open access: yesProblemy Mechatroniki, 2016
The paper presents the results on determination of aircraft’s position in kinematic mode in GPS system. The dual-frequency code and phase observations from Topcon TPS Hiper receiver were used for computations.
Kamil KRASUSKI
doaj   +1 more source

Long periodicals in the position of permanent GNSS stations [PDF]

open access: yesE3S Web of Conferences, 2021
The relevance of the study of the movements of base reference stations is determined by the task of improving the accuracy and reliability of the results of geodetic monitoring carried out using GNSS technologies.
Ivanova Victoria, Tyurin Sergey
doaj   +1 more source

Kinematic GNSS positioning results compared against Agisoft Metashape and Pix4dmapper results produced in the San Joaquin experimental range in Fresno County, California

open access: yesJournal of Geodetic Science, 2021
RTKLIB which is an open source Global Navigation Satellite Systems (GNSS) software has gained rapid acceptance among Surveying professionals thanks to recent developments in UAS (Unmanned Aerial System) technology.
Berber M., Munjy R., Lopez J.
doaj   +1 more source

Accuracy assessment of Precise Point Positioning with multi-constellation GNSS data under ionospheric scintillation effects [PDF]

open access: yes, 2018
GPS and GLONASS are currently the Global Navigation Satellite Systems (GNSS) with full 16 operational capacity. The integration of GPS, GLONASS and future GNSS constellations can 17 provide better accuracy and more reliability in geodetic positioning, in
Aquino   +29 more
core   +3 more sources

Kinematic Galileo and GPS Performances in Aerial, Terrestrial, and Maritime Environments [PDF]

open access: yes, 2022
On 15 December 2016, the European Commission (EC) declared the provision of the Galileo Initial Services (IS). This marked a historical milestone in the Galileo program, towards the reaching of its Full Operational Capability.
Alexandru Pandele   +10 more
core   +1 more source

ACCURACY TESTING OF THE ONLINE FREE GNSS PPP SERVICES, AS A FUNCION OF OBSERVATION DURATION AND THE ELAPSED TIME FROM MEASUREMENT EPOCH TO EPOCH OF MEASUREMENT COMPUTATION [PDF]

open access: yesGeodetski Glasnik, 2011
Use of PPP has become possible since the advent of precise satellite ephemerides and clock corrections from IGS. This work represents a research in attainable accuracy and reliability of the free online GNSS services (APPS, CSRS, GAPS, magicGNSS ...
Denis Tabučić   +2 more
doaj   +1 more source

New Methodology for Computing the Aircraft’s Position Based on the PPP Method in GPS and GLONASS Systems

open access: yesEnergies, 2021
In the field of air navigation, there is a constant pursuit for new navigation solutions for precise GNSS (Global Navigation Satellite System) positioning of aircraft.
Kamil Krasuski, Damian Wierzbicki
doaj   +1 more source

Farklı regresyon modelleriyle kestirilen zenit troposferik gecikmelerin değerlendirilmesi

open access: yesNiğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi, 2022
Yapay zekâ ve makine öğrenimi alanındaki gelişmeler, GNSS uygulamalarındaki sorunlara alternatif çözümler sunmakta veya mevcut çözümlerin verimliliğini artırmaya imkân sağlamaktadır. GNSS’de karşılaşılan birçok hata vardır ve bu hatalar kullanıcılar için
Ali Utku Akar, Cevat İnal
doaj   +1 more source

GBDM+: an improved methodology for a GNSS-based distance meter [PDF]

open access: yes, 2022
[EN] The determination of distances consistent with the definition of the base unit of length in the International System of Units (SI), the SI meter, with uncertainties of less than 1 ppm up to 5 km in the open air is a current challenge that is being ...
Baselga Moreno, Sergio   +3 more
core   +1 more source

Sampling Rate Impact on Precise Point Positioning with a Low-Cost GNSS Receiver

open access: yesApplied Sciences, 2021
Nowadays, with the incursion of low-cost GNSS receivers with modern characteristics, it is common to investigate and apply new methodologies and solutions with different receivers of this nature.
Rosendo Romero-Andrade   +4 more
doaj   +1 more source

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