Now showing items 21-40 of 103

  • Daphne: an Intelligent Cognitive Assistant for the design of Earth observing satellites 

    Prat i Sala, Arnau (Universitat Politècnica de Catalunya, 2017-09-25)
    Master thesis
    Open Access
    Covenantee:  Cornell University
    This thesis introduces Daphne, an Intelligent Cognitive Assistant (ICA) designed to help engineers architect Earth observing satellite systems. The purpose of this thesis is threefold: 1) develop the interfaces through ...
  • Data access layer optimization of the Gaia data processing in Barcelona for spatially arranged data 

    Ronchini, Francesca (Universitat Politècnica de Catalunya, 2016-07-07)
    Master thesis
    Open Access
    Gaia is an ambitious astrometric space mission adopted within the scientific programme of the European Space Agency (ESA) in October 2000. It measures with very high accuracy the positions and velocities of a large number ...
  • Design and development of a cognitive assistant for the architecting of earth observing satellites 

    Virós Martin, Antoni (Universitat Politècnica de Catalunya, 2017-09)
    Bachelor thesis
    Open Access
    Covenantee:  Cornell University
    The aim of this thesis is to develop a cognitive assistant for architecting earth observation satellite systems. The motivation for such a system comes from both the recent commercial success of different cognitive ...
  • Design and fabrication of low gain fractal antenna for space application 

    Viswanathan, Premkumara (Universitat Politècnica de Catalunya, 2018-09-14)
    Master thesis
    Open Access
    The objective of this project is to enhance current technologies in the field of aerospace communication s to facilitate data transfer s using CubeSat s. The idea is to design a fractal patch antenna for CubeSat that ...
  • Design and implementation of a first stage nozzle for a low cost mini-launcher 

    De la Torre González, Alex (Universitat Politècnica de Catalunya, 2011-07-28)
    Bachelor thesis
    Open Access
    This study is addressed to design and build a nozzle for a first stage of a solid propellant APCP (Ammonium Perchlorate Composite Propellant) based as a part of an EETAC university grant. We will use the simulator Moon2.0 ...
  • Design and Implementation of a GNSS reflectometer using a software defined radio 

    Olivé Muñiz, Roger (Universitat Politècnica de Catalunya, 2015-09)
    Master thesis
    Open Access
    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 a reaction wheels control system hardware 

    Macià Roca, Jordi (Universitat Politècnica de Catalunya, 2016-02)
    Bachelor thesis
    Restricted access - confidentiality agreement
  • Design and test of the bus of a very small solar sail 

    Navarro Juarez, Victor (Universitat Politècnica de Catalunya, 2017-10-31)
    Bachelor thesis
    Open Access
    With the advance on technology field, aerospace systems have been evolving during the years. Tendency on reducing size, mass and cost by increasing the efficiency on different elements has opened a wide range of possibilities. ...
  • Design, deployment mechanism, and thermal control of a very small solar sail 

    Pie Rubio, Carles (Universitat Politècnica de Catalunya, 2017-10-31)
    Bachelor thesis
    Open Access
    This document contains the design of a solar sail. Three main parts will be studied in this project: structural design, thermal design and deployment . The first one will be based in studying the different ...
  • Design guidelines for general-purpose payload-oriented nanosatellite software architectures 

    Araguz López, Carles; Marí, Marc; Bou Balust, Elisenda; Alarcón Cot, Eduardo José; Selva, Daniel (American Institute of Aeronautics and Astronautics (AIAA), 2018-01-01)
    Article
    Open Access
    Despite their limited lifespan and reduced cost, nanosatellite missions have proved to be suitable platforms for Earth observation, scientific experiments, and technology demonstration. During the last years, the number ...
  • Design of a bistatic SAR processor for GEOSAR systems 

    Scherk Fontanals, Álvaro (Universitat Politècnica de Catalunya, 2018-10)
    Bachelor thesis
    Open Access
    This document is an investigation about GEOSAR technology and possible methods that improve the performance especially by accurately pointing or focusing the antenna towards the target. Results obtained show that this ...
  • Design of ground station antenna for a double CubeSat student project 

    Oliver Miranda, Mireia (Universitat Politècnica de Catalunya, 2007-10-17)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] This thesis is a part of the Student Satellite program at NTNU in the CubeSat program. Previously some initial work has been done about the satellite design, and this thesis is going to begin the ground station ...
  • Detección y monitorización de incendios desde satélite 

    Andreu López, Miguel (Universitat Politècnica de Catalunya, 2017)
    Master thesis (pre-Bologna period)
    Open Access
    Els incendis forestals s'han convertit en les últimes dècades en un dels problemes ambientals més importants de l'Estat espanyol, i en els propers anys poden veure's agreujats pels efectes del canvi climàtic. Aquesta ...
  • Determination of drag coefficients in a free molecular flow 

    Minguell Montes, Bernat (Universitat Politècnica de Catalunya, 2018-07-20)
    Bachelor thesis
    Open Access
    This project aims to study the drag coefficient (CD) for satellites in a free molecular flow. The study is mainly based on Schaaf & Chambre and Schamberg models. These are old models (from 1958), but still are the most ...
  • Development of a cubesat breadboard testbed: EPS and reaction wheels 

    González Gudiño, Álvaro (Universitat Politècnica de Catalunya, 2018-10)
    Bachelor thesis
    Restricted access - author's decision
  • Development of a low-cost meteorological station to measure Essential Climate Variables 

    Rojas Gregorio, José Ignacio; Diaz Gilete, Silvia; Mazón Bueso, Jordi (United Nations Educational, Scientific and Cultural Organization (UNESCO), 2014)
    Conference lecture
    Open Access
    This work presents preliminary research on a low-cost meteorological station for measuring in situ Essential Climate Variables (ECV): solar irradiance, surface water vapour, surface air temperature, land surface wind ...
  • Development of a Low-Cost Weather Station to Measure in Situ Essential Climate Variables 

    Rojas Gregorio, José Ignacio; Diaz Gilete, Silvia; Mazón Bueso, Jordi (2014-11)
    Article
    Open Access
    A weather station is proposed especially designed for developing countries, and to meet the standards of the international scientific community making research on the earth system. The station would measure in situ several ...
  • DISCOVERER - Radical Redesign of Earth Observation Satellites for Sustained Operation at Significantly Low Altitudes 

    Roberts, Peter C.E; Crisp, Nicholas H.; Edmonson, Steve; García-Almiñana, Daniel; Rodríguez Donaire, Silvia (2017)
    Conference report
    Restricted access - publisher's policy
    DISCOVERER is a new 5.7 million Euro, 4.25 year Horizon 2020 funded project which aims to radically redesign Earth observation satellites for sustained operation at significantly lower altitudes. The satellite based Earth ...
  • Diseño e implementación de las antenas y los sistemas de transmisión y recepción de un CubeSat 

    Garcia Del Castillo, Carlos (Universitat Politècnica de Catalunya, 2012-07-17)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] CubeSat transmission system development: antenna adaptation, BALUN and transceiver. Also includes a crystal LCD shutter control system development.
  • Diseño, implementación y verificación de una FPGA para el satélite Lisa Pathfinder 

    Maroto Hernando, Óscar (Universitat Politècnica de Catalunya, 2012-07-06)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    [ANGLÈS] The use of FPGAs for space applications is a growing need in satellite developments. For that reason, the European Space Agency released in 2007 a document, ECSS-Q-60-02A, detailing all the processes that a FPGA ...