Ara es mostren els items 12-23 de 23

    • Galileo broadcast ephemeris and clock errors analysis: 1 January 2017 to 31 July 2020 

      Alonso Alonso, María Teresa; Sanz Subirana, Jaume; Juan Zornoza, José Miguel; Rovira Garcia, Adrià; González Casado, Guillermo (Multidisciplinary Digital Publishing Institute (MDPI), 2020-11-29)
      Article
      Accés obert
      A preliminary analysis of Galileo F/NAV broadcast Clock and Ephemeris is performed in this paper with 43 months of data. Using consolidated Galileo Receiver Independent Exchange (RINEX) navigation files, automated navigation ...
    • Galileo Ionospheric Correction Algorithm Integration into the Open-Source GNSS Laboratory Tool Suite (gLAB) 

      Aragón Ángel, Maria Angeles; Rovira Garcia, Adrià; Arcediano-Garrido, Enrique; Ibáñez Segura, Deimos (Multidisciplinary Digital Publishing Institute (MDPI), 2021-01-07)
      Article
      Accés obert
      Users of the global navigation satellite system (GNSS) operating with a single-frequencyreceiver must use an ionospheric correction algorithm (ICA) to account for the delay introduced onradio waves by the upper atmosphere. ...
    • Galileo ionospheric correction algorithm: an optimization study of NeQuick-G 

      Aragón Ángel, Maria Angeles; Zürn, M.; Rovira Garcia, Adrià (2019-11-24)
      Article
      Accés obert
      At present most low-cost GNSS receivers operate one frequency in the L band. For themone of the largest error contributions is the delay of radio signals in the Ionosphere. NeQuick-Gisthe official ionospheric correction ...
    • gLAB upgrade with EGNOS data processing 

      Ibáñez Segura, Deimos (Universitat Politècnica de Catalunya, 2016-06)
      Projecte/Treball Final de Carrera
      Accés obert
      gLAB is a free open-source software to process GNSS data. The first release of this software package allows full processing capability of GPS data, and partial handling of Galileo and GLONASS data. EGNOS is the european ...
    • GPS data compression through an intensive study of the data correlation 

      Ruiz Rodriguez, Patricia (Universitat Politècnica de Catalunya, 2009-09-14)
      Treball Final de Grau
      Accés obert
    • GPS data compression using lossless compression algorithms. Galileo applicability study 

      Mora Sanclimens, Iu (Universitat Politècnica de Catalunya, 2009-09-14)
      Treball Final de Grau
      Accés obert
    • Implementation of GNSS ionospheric models in gLAB 

      Ibáñez Segura, Deimos (Universitat Politècnica de Catalunya, 2014-12)
      Projecte/Treball Final de Carrera
      Accés obert
      [ANGLÈS] gLAB is an open source tool developed in gAGE group under the terms of an ESA contract. It currently processes full GPS data, being capable of doing precise point positioning. With the appearance of new satellite ...
    • Mòdul tecnologies digitals emergents 

      Rius Bellosta, Arnau (Universitat Politècnica de Catalunya, 2022-10-18)
      Projecte Final de Màster Oficial
      Accés obert
      Aquest Projecte de Fi de Màster està dividit en dues parts. La primera, investigar si les empreses busquen professionals del Cicle Formatiu de Grau Superior d'Administració de Sistemes Informàtics i Xardes amb coneixements ...
    • Survey of Positioning Techniques for improved Accuracy 

      Abia Serrano, Daniel (Universitat Politècnica de Catalunya, 2011-04-15)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Akademia Górniczo-Hutnicza im. S. Staszica w Krakowie
      Català: No hi ha dubte que els sistemes de posicionament han estat un dels grans avenços en tecnologia de l'últim quart del segle XX. El fet de poder conèixer la posició d'un objecte mitjançant càlculs realitzats per senyals ...
    • Telecomunicacions 

      Berenguer Sau, Jordi (Edicions Proa, 2018-01)
      Capítol de llibre
      Accés restringit per política de l'editorial
    • The microwave interferometric reflectometer. Part I: front-end and beamforming description 

      Onrubia Ibáñez, Raúl; Pascual Biosca, Daniel; Camps Carmona, Adriano José; Alonso Arroyo, Alberto; Hyuk, Park (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The Microwave Interferometric Reflectometer (MIR) is a new airborne reflectometer being developed at Catalonia Polytechnic University (UPC) that uses Global Navigation Satellite Systems (GNSS) to retrieve mainly altitude ...
    • Unified GNSS-R formulation including coherent and incoherent scattering components 

      Carreño Luengo, Hugo; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Global Navigation Satellite Systems Reflectometry (GNSSR) is a sort of multi-static radar using navigation signals as signals of opportunity. Due to the large number of transmitting satellites multiple scattering points ...