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Utilization L2C code for determination of user’s position / Kamil Krasuski in Geodetski vestnik, vol 59 n° 4 (December 2015 - February 2016)  

Public [article]  inGeodetski vestnik > vol 59 n° 4 (December 2015 - February 2016) . - pp 789 - 807 Titre : Utilization L2C code for determination of user’s position Type de document : Article/Communication Auteurs : Kamil Krasuski, Auteur ; Damian Wierzbicki, Auteur Année de publication : 2015 Article en page(s) : pp 789 - 807 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de géodésie spatiale [Termes IGN] code GPS [Termes IGN] format RINEX [Termes IGN] positionnement par GPS [Termes IGN] positionnement par points isolés [Termes IGN] positionnement ponctuel précis [Termes IGN] précision du positionnement [Termes IGN] test de performance Résumé : (auteur) The article describes a few tests of standalone positioning in Global Positioning System (GPS) with the utilization of a new L2C code. Single Point Positioning (SPP) method in stochastic processing was applied as a mathematical formulation in computations. Measurement models of the SPP method such as interpolation satellite position using Lagrange polynomial, Earth rotation effect, Sagnac effect, satellite clock bias, ionosphere delay, troposphere delay, satellite and receiver instrumental biases are discussed based on study cases. The source code of the program was written in Scilab 5.4.1 software language under the 64-bytes Windows system. Code observations in Receiver Independent Exchange format (RINEX) file (between 20:00:00 – 23:59:30) for 06.01.2015 were taken from WROC station in Wroclaw in eastern Poland. Adjustment processing was carried out over 4 sessions with a time interval of 30 seconds. The preliminary results of positioning accuracy in geocentric frame, presented by mean errors of each coordinate, are less than 8.5 meters and they are comparable to the accuracy of L1C code. Generally, positioning accuracy in experiments is expected to be higher but the number of GPS satellites with L2C code was very unstable. Additionally, mean errors of the receiver clock were shown in the paper with a maximum value of less than 8 meters, which equals about 2.7•10-8 s. Numéro de notice : A2015-820 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : 10.15292/geodetski-vestnik.2015.04.789-808 En ligne : http://dx.doi.org/10.15292/geodetski-vestnik.2015.04.789-808 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=79089 [article]

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