• 3Cat-1: Attitude determination and control subsystem design 

    Vidal Mateu, David (Universitat Politècnica de Catalunya, 2013-12-10)
    Trabajo final de grado
    Acceso abierto
    [ANGLÈS] This project is focused on the design and implementation of an attitude control system for the satellite 3Cat-1. Using a passive system cwith permanent magnets and an active system, consisting of a coil as actuator.
  • Acquisition and processing software for an airborne soil moisture mapper LBand radiometer 

    Bosch i Lluis, Xavier (Universitat Politècnica de Catalunya, 2010-07-10)
    Proyecto/Trabajo final de carrera
    Acceso abierto
    The improvement in weather forecast and climate motorization, to prevent for example natural disasters, requires global scale knowledge of the soil moisture (SM) and the surface salinity (SSS), which are non-existent at ...
  • Advanced methods of integration of GNSS and 3D models for positioning in deep urban canyons 

    Ortega González, Héctor (Universitat Politècnica de Catalunya, 2017-10)
    Trabajo final de grado
    Acceso abierto
    Classical GNSS positioning in urban environments presents a variety of problems such as satellite signal blockage, reflection and fading, mainly caused by buildings. These issues reduce the number of available satellites, ...
  • A Ground Station software framework and telemetry management system for Nano-satellite missions 

    Ballesteros Sánchez, Christian (Universitat Politècnica de Catalunya, 2016-06)
    Trabajo final de grado
    60 months embargo
  • Algoritmos de calibración para radiómetros digitales 

    Guerrero Martínez, Miguel Ángel (Universitat Politècnica de Catalunya, 2009-05)
    Proyecto/Trabajo final de carrera
    Acceso abierto
  • Análisis e integración de un radiómetro de apertura sintética 

    Canales Contador, Francisco José (Universitat Politècnica de Catalunya, 2009-06-10)
    Proyecto/Trabajo final de carrera
    Acceso abierto
    En las últimas décadas, ha habido un creciente interés en la determinación de algunos parámetros como la salinidad y altura de la superficie marina (SSS y SSH), o la humedad del suelo. Algunas de estas variables son ...
  • Attitude Determination Control! System Software for Nano-Satellites 

    Juan Martínez, Enric (Universitat Politècnica de Catalunya, 2015-10-26)
    Trabajo final de grado
    Acceso restringido por acuerdo de confidencialidad
    Nanosatellites is a type of miniaturized satellite of less than 10 Kg. 3Cat-2, is a Nanosatellite mission carried out by a group of students from the Universitat Politècnica de Catalunya (UPC) and leaded by the professor ...
  • Attitude Determination System for a Phased Array Beamformer 

    Garrucho Moras, Lidia (Universitat Politècnica de Catalunya, 2015-02)
    Trabajo final de grado
    Acceso restringido por acuerdo de confidencialidad
    [ANGLÈS] The aim of this thesis is to design and test an autonomous Beamforming Algorithm (BA) for an airborne reflectometer called Microwave Interferometric Reflectometer (MIR). MIR is being developed by the Remote Sensing ...
  • ³Cat-3 3-axes ADCS using reaction wheels and magnetorquers 

    Mollà Garcia, Armand (Universitat Politècnica de Catalunya, 2016-06-27)
    Trabajo final de grado
    Acceso abierto
    Este TFG está basado en la experiencia ganada en la determinación de actitud y sistemas de control del 3Cat-2. Sistemas basados en los magnetorquers y TFGs previos del control de un eje y un sistema de 3 ejes de reaction ...
  • Contribucions a instruments per a reflectometria de senyals de posicionament global 

    Onrubia Ibáñez, Raúl (Universitat Politècnica de Catalunya, 2014-12)
    Projecte Final de Màster Oficial
    Acceso restringido por política de la editorial
    [ANGLÈS] The thesis presents 4 papers written about the contributions made to two different instruments being developed at RSLab, mainly at hardware level. The first instrument is a dual-band (L1 and L5) conventional and ...
  • Contributions to earth observation using gnss-r opportunity signals 

    Rodríguez Álvarez, Nereida (Universitat Politècnica de Catalunya, 2011-12-22)
    Tesis
    Acceso abierto
    During years a number of satellites have been developed to remotely sense Earth geophysical parameters for weather forecasting and other climate studies. In recent years the use of reflected Global Navigation Satellite ...
  • Contributions to GNSS-R earth remote sensing from nano-satellites 

    Carreno-Luengo, Hugo (Universitat Politècnica de Catalunya, 2016-01-21)
    Tesis
    Acceso abierto
    Global Navigation Satellite Systems Reflectometry (GNSS-R) is a multi-static radar using navigation signals as signals of opportunity. It provides wide-swath and improved spatio-temporal sampling over current space-borne ...
  • Contributions to land, sea, and sea ice remote sensing using GNSS-reflectometry 

    Alonso Arroyo, Alberto (Universitat Politècnica de Catalunya, 2016-11-10)
    Tesis
    Acceso restringido por acuerdo de confidencialidad
    This PhD thesis researches the use of passive remote sensing techniques using signals transmitted from the navigation satellites (GNSS) in order to retrieve different geophysical parameters. The thesis consists of two ...
  • Contributions to radio frequency interference detection and mitigation in Earth observation 

    Forte Véliz, Giuseppe Francesco (Universitat Politècnica de Catalunya, 2014-06-26)
    Tesis
    Acceso abierto
    Radio Frequency Interference (RFI) is the most common problem for electronic measuring systems. The presence of those electromagnetic waves can harm the measurements taken from very sensitive instruments, like microwave ...
  • Contributions to the determination of electromagnetic bias in Gnss-R altimetry 

    Ghavidel, Ali (Universitat Politècnica de Catalunya, 2015-07-14)
    Tesis
    Acceso abierto
    In this Ph. D. dissertation the electromagnetic bias in GNSS-R (Global Navigation Satellite Systems Reflectometry) altimetry has been studied. GNSS-R altimetry is a new type of system that uses navigation signals as signals ...
  • Contribution to the development of pico-satellites for Earth observation and technology demonstrators 

    Jové Casulleras, Roger (Universitat Politècnica de Catalunya, 2015-02-17)
    Tesis
    Acceso abierto
    The submitted Ph.D. thesis is a contribution to the development of pico-satellites and nano-satellites for Earth Observation and Technology Demonstrators. Development of satellites with a mass from 1 kg up to 10 kg has ...
  • Contributrion to the improvement of the soil moisture and ocean salinity (SMOS) sea surface salinity retrieval algorithm 

    Talone, Marco (Universitat Politècnica de Catalunya, 2010-11-22)
    Tesis
    Acceso abierto
    The European Space Agency's Soil Moisture and Ocean Salinity (SMOS) satellite was launched on November, 2, 2009 from the Russian cosmodrome of Plesetsk. Its objective is to globally and regularly collect measurements ...
  • Control of the back-end and positioning systems of the MERITXELL radiometer 

    Gómez López, José Javier (Universitat Politècnica de Catalunya, 2017-01)
    Trabajo final de grado
    Acceso abierto
    The aim of this project was the implementation of a software to position and obtain the desired measurements by a radiometer called MERITXELL. To satisfy the goals, this project was divided in three blocks (radiometer ...
  • CubeCat-1: Communications System of a Nano-satellite 

    Karki, Sumit (Universitat Politècnica de Catalunya, 2013-07-30)
    Projecte Final de Màster Oficial
    Acceso abierto
    [ANGLÈS] The CubeSat program provides a cost-effective solution to the educational institutions and private firms, around the world, willing to put their satellites in orbit, which are no bigger than a 10 cm cube, and weigh ...
  • Design and implementation of a calibration network for antenna arrays of a gnss signal reflectometer 

    Casas Gómez, Claudia (Universitat Politècnica de Catalunya, 2015-02)
    Trabajo final de grado
    Acceso restringido por decisión del autor
    [ANGLÈS] This project describes the design and implementation of a calibration network for the Microwave Interferometric Reflectometer (MIR), a reflectometer that the Remote Sensing Lab (RSLAB) is developing at the Department ...