Now showing items 1-13 of 13

  • Consolidation and assessment of a technique to provide fast and precise point positioning (Fast-PPP) 

    Rovira Garcia, Adrià (Universitat Politècnica de Catalunya, 2016-01-21)
    Doctoral thesis
    Open Access
    The research of this paper-based dissertation is focused on the Fast Precise Point Positioning (Fast-PPP) technique. The novelty relies on using an accurate ionosphere model, in combination with the standard precise satellite ...
  • Contributions to ionospheric electron density retrieval 

    Aragón Àngel, Angela (Universitat Politècnica de Catalunya, 2010-02-22)
    Doctoral thesis
    Open Access
    La transformada de Abel es una técnica de inversión usada frecuentemente en radio ocultaciones (RO) que, en el contexto ionosférico, permite deducir densidades electrónicas a partir de datos de STEC (Slant Total Electron ...
  • Contributions to the 3D ionospheric sounding with GPS data 

    García Fernández, Miquel (Universitat Politècnica de Catalunya, 2004-03-15)
    Doctoral thesis
    Open Access
    La tesi proposa una sèrie d'algoritmes destinats a obtenir informació del contingut d'electrons lliures presents a la ionosfera. El tipus de dades que s'utilitzaran seran bàsicament les corresponents a receptors de dades ...
  • Design and implementation of cycle-slip detectors for for Dual-frequency GNSS Signals 

    Romero Sánchez, Jesús (Universitat Politècnica de Catalunya, 2016-03-16)
    Master thesis
    Open Access
    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 ...
  • Determination of Monitor Thresholds for a GBAS ground station 

    Zabala Haro, Mónica (Universitat Politècnica de Catalunya, 2015-07-29)
    Master thesis
    Restricted access - author's decision
    The Ground Based Augmentation System (GBAS) is designed to provide sufficient availability of accuracy, continuity, and integrity to satisfy the demanding requirements of aircraft precision approach, landing, and surface ...
  • Establishment of Sigma Ground for GBAS 

    Sanaguano Moreno, Daniel Alfredo (Universitat Politècnica de Catalunya, 2015-07-29)
    Master thesis
    Restricted access - author's decision
    The Ground based Augmentation System (GBAS) is being developed to enable precision approach and landing operations using the Global Positioning System (GPS). Each GBAS installation provides services through a GBAS Ground ...
  • Experiments on Point Positionings in gLAB with real data in Viet Nam 

    Nguyen, Viet Khoi (Universitat Politècnica de Catalunya, 2014-10-01)
    Master thesis
    Restricted access - author's decision
    - Knowledge, skills and competence to be acquired: Fast Precise Positioning experiment. - Detailed program of the training period: The student shall work in the framework of G-NAVIS project. The activities are devoted to ...
  • gLAB upgrade with BeiDou navigation system signals 

    Wang, Xiaoli (Universitat Politècnica de Catalunya, 2015-06-30)
    Master thesis
    Open Access
    The gLAB tool suit is an educational and professional multipurpose GNSS data processing software. It has been developed by gAGE/UPC under a contract of the European Space Agency (ESA). The current version of gLAB allows ...
  • gLAB upgrade with EGNOS data processing 

    Ibáñez Segura, Deimos (Universitat Politècnica de Catalunya, 2016-06)
    Master thesis (pre-Bologna period)
    Open Access
    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 ...
  • Implementation of GNSS ionospheric models in gLAB 

    Ibáñez Segura, Deimos (Universitat Politècnica de Catalunya, 2014-12)
    Master thesis (pre-Bologna period)
    Open Access
    [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 ...
  • Improvements in autonomous GPS navigation of Low Earth Orbit satellites 

    Ramos Bosch, Pedro (Universitat Politècnica de Catalunya, 2008-10-24)
    Doctoral thesis
    Open Access
    Es defineix un satèl·lit d'òrbita baixa aquell que es troba a una alçada de fins a 2000 km per sobre de la superfície de la Terra. Degut al ràpid decaïment dels objectes propers a la superfície degut al fregament atmosfèric, ...
  • Orbit ephemeris monitor for GBAS cat-I aircraft precision approach operations 

    Timote Bejarano, Cristhian Camilo (Universitat Politècnica de Catalunya, 2014-10-01)
    Master thesis
    Restricted access - author's decision
    The Ground based Augmentation System (GBAS) is being developed to enable precision approach and landing operations using the Global Positioning System (GPS). Each GBAS installation provides services through a GBAS Ground ...
  • World-wide analysis and modelling of the ionospheric and plasmaspheric electron contents by means of radio occultations 

    Shao, Yixie (Universitat Politècnica de Catalunya, 2019-02-25)
    Doctoral thesis
    Open Access
    The research of this dissertation is studying the ionosphere by GPS radio occultation (RO) techniques. It is mainly divided into two parts. The first part focuses on the methodology in electron density profile retrievals ...