Ara es mostren els items 3-22 de 23

    • Contribución al diseño de GNSS-SDR, un receptor GNSS de código abierto 

      Esteve Elfau, Luis (Universitat Politècnica de Catalunya, 2013-07-11)
      Projecte/Treball Final de Carrera
      Accés obert
      [ANGLÈS] This project introduces GNSS-SDR, an open source Global Navigation Satellite System software-defined receiver. The lack of reconfigurability of current commercial-of-the-shelf receivers and the advent of new ...
    • Desenvolupament d'una eina d'anàlisi de senyals de sistemes GNSS 

      Mateu Suau, Isidre (Universitat Politècnica de Catalunya, 2008-10-13)
      Projecte/Treball Final de Carrera
      Accés obert
    • Design and Implementation of a GNSS reflectometer using a software defined radio 

      Olivé Muñiz, Roger (Universitat Politècnica de Catalunya, 2015-09)
      Projecte Final de Màster Oficial
      Accés obert
      The 3Cat-2 nanosatellite payload includes, amongst other experiments, a Global Navigation Satellite System Reflectometry (GNSS-R) receiver. The payload captures GNSS data from the two channels of a Software Defined Radio ...
    • Design and implementation of cycle-slip detectors for for Dual-frequency GNSS Signals 

      Romero Sánchez, Jesús (Universitat Politècnica de Catalunya, 2016-03-16)
      Projecte Final de Màster Oficial
      Accés obert
      Introduction: Satellite navigation systems are widely used for today's high accuracy applications demanding the most accurate ranging information obtainable, which is the carrier phase observable. Before the carrier phase ...
    • Design of a circularly polarized patch antenna for satellite communications in L-band 

      Sotelo Bazán, Gustavo Adolfo (Universitat Politècnica de Catalunya, 2010-12-21)
      Projecte/Treball Final de Carrera
      Accés obert
      Català: Aquest projecte ofereix un estudi detallat del disseny d'una antenade polarització circular pegat per a comunicacions per satèl lit en banda L per al seu ús en els serveis de navegació - comunicaciócom ara INMARSA'T ...
    • Diseño de una antena parche con supersustrato metamaterial y polarización circular para comunicaciones satélite en banda L 

      Fusteros Gomez, Javier (Universitat Politècnica de Catalunya, 2017-10-10)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      This project is about the design of a circular polarized microstrip antenna with metamaterial supersubstrate working in the recently European Union Navigation band, Galileo. The metamaterial structure design,which is made ...
    • Experimental evidence of swell signatures in airborne L5/E5a GNSS-reflectometry 

      Muñoz Martin, Joan Francesc; Onrubia Ibáñez, Raúl; Pascual Biosca, Daniel; Hyuk, Park; Camps Carmona, Adriano José; Rudiger, Christoph; Walker, Jeffrey; Monerris Belda, Alessandra (Multidisciplinary Digital Publishing Institute (MDPI), 2020-05-29)
      Article
      Accés obert
      As compared to GPS L1C/A signals, L5/E5a Global Navigation Satellite System-Reflectometry (GNSS-R) improves the spatial resolution due to the narrower auto-correlation function. Furthermore, the larger transmitted power ...
    • Fast LAMBDA-based ambiguity resolution combined with WARTK technique for Galileo data simulated using ESA's Galileo Signal Validation Facility 

      Odijk, Dennis; De Bakker, Peter; Verhagen, Sandra; Teunissen, Peter J. G.; Hernández Pajares, Manuel; Samson, Jaron (2009-12)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This contribution addresses the effect of having a triple frequency Global Navigation Satellite System (GNSS) on ambiguity resolution of long baselines, i.e. baselines for which the differential ionospheric delays cannot ...
    • First experimental evidence of wind and swell signatures in L5 GPS and E5A Galileo GNSS-R waveforms 

      Muñoz Martin, Joan Francesc; Onrubia Ibáñez, Raúl; Pascual Biosca, Daniel; Hyuk, Park; Camps Carmona, Adriano José; Rudiger, Christoph; Walker, Jeffrey; Monerris Belda, Alessandra (2020)
      Text en actes de congrés
      Accés obert
      As compared to the using L1C/A signals, L5/E5a Global Navigation Satellite System - Reflectometry (GNSS-R), gives improved resolution over the Earth's surface due to the sharper auto-correlation function. Furthermore, the ...
    • 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 ...