Ara es mostren els items 74-93 de 118

    • Navegando con satélites : (o cómo posicionarse con GPS y Galileo con errores de pocos centímetros, en tiempo-real y a escala continental) 

      Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 2003)
      Article
      Accés obert
    • Network-based High Accuracy Positioning with the GPSTk 

      Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (European Space Agency (ESA), 2010)
      Text en actes de congrés
      Accés obert
      This paper presents an implementation of a postprocess kinematic positioning technique similar to PPP (Precise Point Positioning) but based on a network of stations. This technique is independent of precise clock ...
    • Network-based ionospheric gradient monitoring to support GBAS 

      Caamaño Albuerne, María; Juan Zornoza, José Miguel; Felux, Michael; Gerbeth, Daniel; González Casado, Guillermo; Sanz Subirana, Jaume (2021-02-11)
      Article
      Accés obert
      Large ionospheric gradients acting between a Ground Based Augmentation System (GBAS) reference station and an aircraft on approach could lead to hazardous position errors if undetected. Current GBAS stations provide solutions ...
    • Network-based ionospheric gradient monitoring to support GBAS 

      Caamaño Albuerne, María; Felux, Michael; Gerbeth, Daniel; Juan Zornoza, José Miguel; González Casado, Guillermo; Sanz Subirana, Jaume (ION Publications (The Institute of navigation), 2019)
      Text en actes de congrés
      Accés obert
      Ionospheric anomalies, like large ionospheric gradients, might produce a difference between the ionospheric error experienced bythe Ground Based Augmentation System (GBAS) reference station and the aircraft on approach. ...
    • Novel ionospheric activity indicator specifically tailored for GNSS users 

      Sanz Subirana, Jaume; Juan Zornoza, José Miguel; González Casado, Guillermo; Prieto Cerdeira, Roberto; Schlüter, S.; Orús Pérez, Raul (The Institute of Navigation, 2014)
      Text en actes de congrés
      Accés restringit per decisió de l'autor
      This work introduces a novel ionospheric activity indicator useful for identifying disturbed periods affecting performance for GNSS users, at regional level. This indicator is based in the “Along Arc TEC Rate (AATR) and ...
    • Open source precise point positioning with GNSS data structures and the GPSTk 

      Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (EGU, 2008-04-13)
      Comunicació de congrés
      Accés obert
    • Open source precise point positioning with GNSS data structures and the GPSTk 

      Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (European Geoscience Union, 2008-04)
      Article
      Accés obert
    • Plasmaspheric Electron Content contribution inferred from ground and radio occultation derived Total Electron Content 

      Aragón Ángel, María Ángeles; Sanz Subirana, Jaume; Juan Zornoza, José Miguel; Hernández Pajares, Manuel; Altadill, D. (2012)
      Text en actes de congrés
      Accés obert
      The FORMOSAT-3/COSMIC satellite constellation has become an important source of remote sensing data globally distributed for the sounding of the atmosphere of the Earth and, in particular, the ionosphere. In this study, ...
    • Preliminary NeQuick assessment for future single frequency users of GALILEO 

      Aragón Ángel, María Ángeles; Orús Pérez, Raül; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (2005)
      Text en actes de congrés
      Accés obert
      The NeQuick model is the ionospheric mo del that will be used by the GALILEO single frequency user to compute ionospheric corrections. In this framework, the aim of this study is to show a preliminary assessment of the ...
    • Procesado de Datos GPS: código y fase. Algoritmos, técnicas y recetas. 

      Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (gAGE/UPC, 2005-07)
      Llibre
      Accés restringit per política de l'editorial
    • PRTODTS monthly progress report no 1 (February 2009) 

      Hernández Pajares, Manuel; Ramos Bosch, Pedro; Sanz Subirana, Jaume; Juan Zornoza, José Miguel (2009-03-03)
      Report de recerca
      Accés restringit per acord de confidencialitat
    • PRTODTS monthly progress report no 2 (March 2009) 

      Hernández Pajares, Manuel; Ramos Bosch, Pedro; Sanz Subirana, Jaume; Juan Zornoza, José Miguel (2009-04-01)
      Report de recerca
      Accés restringit per acord de confidencialitat
    • Rapid Open Source GPS software development for modern embedded systems:using the GPSTk with the Gumstix 

      Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (2006-12)
      Text en actes de congrés
      Accés obert
      This work shows how the combination of GPS Open Source Software (GOSS) and advanced full function miniature computers (FFMC) allows rapid development, implementation and testing of advanced embedded GNSS data processing ...
    • Real time application of Tomion model 

      Orús Pérez, Raül; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; Aragón Ángel, María Ángeles; García Rigo, Alberto (2010)
      Comunicació de congrés
      Accés obert
      Since the first development of the TOMION(TOmographic Model of the IONosphere),in1995,gAGE/UPC has been improving the performance and reliability of this technique. The TOMION kernel relies on the computation of the ...
    • Removing day-boundary discontinuities on GNSS clock estimates: methodology and results 

      Rovira Garcia, Adrià; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; González Casado, Guillermo; Ventura Traveset, Javier; Cacciapuoti, Luigi; Schoenemann, Erik (2021-04)
      Article
      Accés obert
      Global navigation satellite system (GNSS) satellites are equipped with very stable atomic clocks that can be used for assess-ing the models and strategies involved in the estimation processes, where the clock estimates ...
    • Report on the design and specifications of the TID algorithms and products 

      Altadill, David; Belehaki, Anna; Blanch, Estefania; Buresova, Dalia; Galkin, Ivan; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; Segarra, Antoni; Timote Bejarano, Cristhian Camilo (2018-05-31)
      Report de recerca
      Accés obert
      TechTIDE project, funded by the European Commission Horizon 2020 research and innovation program [AD-1], will establish a pre-operational system to demonstrate reliability of a set of TID (Travelling Ionospheric Disturbances) ...
    • Report on the EGNSS competition after Y1 

      Sanz Subirana, Jaume; Juan Zornoza, José Miguel; Alonso Alonso, María Teresa (2016-06-08)
      Report de recerca
      Accés restringit per decisió de l'autor
    • Report on the EGNSS competition after Y2 

      Sanz Subirana, Jaume; Juan Zornoza, José Miguel; Alonso Alonso, María Teresa; Povero, Gabriella (2017-05-21)
      Report de recerca
      Accés restringit per decisió de l'autor
    • Report on the final TechTIDE products 

      Altadill, David; Belehaki, Anna; Segarra, Antoni; Blanch, Estefania; Buresova, Dalia; Ioanna, Tsagouri; Borries, Claudia; Galkin, Ivan; Haralambous, Haris; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; Oikonomou, Christina; Chum, Jaroslav; Timote Bejarano, Cristhian Camilo (2019-10-31)
      Report de recerca
      Accés obert
      The document presents a report on the final products in TechTIDE. The TID identification codes in TechTIDE have been adjusted since its first release driven by the assessment of the TID impact on aerospace and ground systems ...
    • Report on TID algorithms 

      Juan Zornoza, José Miguel; Sanz Subirana, Jaume; Altadill, David; Belehaki, Anna; Blanch, Estefania; Borries, Claudia; Buresova, Dalia; Galkin, Ivan; Haralambous, Haris; Ivan, Kutiev; Oikonomou, Christina; Ioanna, Tsagouri (2018-08-31)
      Report de recerca
      Accés obert
      TechTIDE project, funded by the European Commission Horizon 2020 research and innovation program [AD-1], will establish a pre-operational system to demonstrate reliability of a set of TID (Travelling Ionospheric ...