Now showing items 1-20 of 30

  • 13.56 MHz power transfer system 

    Silvestre Costa, Ernest (Universitat Politècnica de Catalunya, 2015-05-19)
    Bachelor thesis
    Open Access
    In this TFG is proposed the design, implementation and characterization of a wireless power transfer system based on RFID technology. In the design stage the different software and previous calculations are made to design ...
  • 2.45 GHz rectena and rectena array design 

    Martinez Alcon, Ricard (Universitat Politècnica de Catalunya, 2015-05-22)
    Bachelor thesis
    Restricted access - author's decision
    In this project, the main idea is to design a circular polarization rectenna and use this same rectenna to build a 2x2 array to capture the energy emitted at 2.45 GHz. The rectenas are antennas with a rectifier which is ...
  • Active corner reflector with circularly polarized array antennas to be used as a transponder for sentinel - 1 Satellite (C - band) 

    Ferre Tenas, Roger (Universitat Politècnica de Catalunya, 2018-10-30)
    Master thesis
    Restricted access - author's decision
    Covenantee:  Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
    This master thesis is about the study of an Active Corner Reflector (ACR) to be used in C-band for Sentinel-1 satellite. The purpose is to design and implement a prototype to test to extract the first outcomes and suggestion ...
  • Alarma per excursionistes 

    Pascual Vives, Xavier (Universitat Politècnica de Catalunya, 2010-01-27)
    Bachelor thesis
    Open Access
  • Array antena SIW 24 GHz para radar de automóviles 

    Rosselló Fabregat, Joaquim (Universitat Politècnica de Catalunya, 2015-05-21)
    Bachelor thesis
    Open Access
    In this project a flat antenna array on Substrate Integrated Waveguide technology (SIW) has been designed, simulated and built to be used in automotive radar at 24 GHz. The software used in the simulation, configuration ...
  • Desarrollo de un soporte a la planificación de operación para la reducción del riesgo a la colisión de obstáculos para aeronaves no tripuladas 

    Ripoll Ruiz, Aleix (Universitat Politècnica de Catalunya, 2014-09-09)
    Bachelor thesis
    Open Access
    Covenantee:  Hemav
    This document presents the development of a support operation planning for RPAs which tries to reduce the risk of collision with aerial obstacles and reduce the people damage. For an emerging and young company of RPAs as ...
  • Development of a radar at 24 GHz for remote sensing applications 

    Blasco Coll, Andreu (Universitat Politècnica de Catalunya, 2014-12-18)
    Bachelor thesis
    Open Access
    This project will examine the capabilities of a radar sensor at 24GHz to measure the vibrations of buildings. The aim of this application, based on the detection of the vibration frequencies of the structure, is to detect ...
  • Diseño e implementacion de un circuito de low-power wake-up radio para redes de sensores inalambricos 

    Soava, Costin Marian (Universitat Politècnica de Catalunya, 2013-01-28)
    Bachelor thesis
    Open Access
    In this paper we have analyzed and experimentally evaluated the performance of energy saving techniques, namely the implementation of a wake-up circuit radio within the architecture of a sensor node. To determine the ...
  • Disseny d’un filtre predistorsionat a banda L 

    Pibernat Tirado, Joan (Universitat Politècnica de Catalunya, 2010-03-19)
    Bachelor thesis
    Open Access
    Aquest projecte consisteix en el disseny d’un filtre microona d’ordre quatre a banda L per ser instal·lat al receptor d’un satèl·lit espacial. El disseny es basa en unes especificacions tècniques sobre el filtre ...
  • Disseny i fabricació de dues antenes array amb polarització circular (horària i antihorària) 

    Ferre Tenas, Roger (Universitat Politècnica de Catalunya, 2016-07-13)
    Bachelor thesis
    Open Access
    The project is about the design and manufacturing of two circular polarized antennas in microstrip (clockwise and counterclockwise). The group of antennas is performed by linearly polarized rectangular elements. For designing ...
  • Effect of multi-sine signals on RF-energy harvesting and wireless power transfer efficiency 

    Bolos Cano, Ferran (Universitat Politècnica de Catalunya, 2015-11-05)
    Bachelor thesis
    Restricted access - author's decision
    This thesis is about the RF-DC conversion efficiency analysis of a rectifier when it is fed with multi-sine signals. To do it, a 900-930 MHz rectifier has been designed using Keysight ADS with Harmonic Balance, also, the ...
  • Estructures fractals de trèbol per ressonadors duals 

    Escoda Ramón, Jordi (Universitat Politècnica de Catalunya, 2008-01-31)
    Master thesis (pre-Bologna period)
    Open Access
    Aquest projecte tracta l’estudi d’estructures fractals de trèvol per la implementació i construcció de filtres amb ressonadors duals per aplicacions en les radiocomunicacions. Com anàlisi de l’estat de l’art, s’estudien ...
  • Estudio de la eficiencia de conversión RF-DC de un rectificador excitado por señales moduladas 

    Blanco Murillo, Javier (Universitat Politècnica de Catalunya, 2015-09-14)
    Bachelor thesis
    Restricted access - author's decision
    Covenantee:  Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
    The RF-DC conversion efficiency of a rectifier when it is excited by digitally modulated signals is studied. This project is the first step to the implementation of a system able to transmit energy and information ...
  • Estudio para la implementación de un banco de filtros-limitadores superconductor 

    Aires Casas, Francisco Manuel (Universitat Politècnica de Catalunya, 2010-03-05)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
  • Implantacio d'un sistema de multilateracio amb ssr al campus EPSC 

    Rosa Fernández, Ivana (Universitat Politècnica de Catalunya, 2011-06-30)
    Bachelor thesis
    Open Access
    L’objectiu d’aquest treball és estudiar el disseny i la implementació teòrica d’un sistema de localització i posicionament al campus de l’EETAC. La proposta original i els paràmetres bàsics han estat extrets d’un projecte ...
  • Improvement of the cost index as initiative of fuel efficiency promotion in a low cost airline 

    De La Cruz Martín, Sergi (Universitat Politècnica de Catalunya, 2016-06-23)
    Bachelor thesis
    Restricted access - author's decision
    The elaboration of this project has as main objective the improvement of the cost index currently used in the Airbus A319 fleet of Volotea, which was initially and provisionally adopted from the value used in Boeing B717 ...
  • Low Power UHF RFID occupancy sensor 

    Servent Abad, Angel (Universitat Politècnica de Catalunya, 2015-01-14)
    Bachelor thesis
    Open Access
    In this project we use the idea of RFID (Radio Frequency Identification), which is storage and information recuperation method. This method use devices called tags RFID for the identification. This RFID tags incorporate ...
  • Métodos de obtención de filtros de microondas con más de una banda de paso 

    Hueltes Escobar, Alberto (Universitat Politècnica de Catalunya, 2010-04-23)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    El término “microondas” es de uso común para hacer referencia al espectro de ondas electromagnéticas que abarcan longitudes de onda situadas entre 1mm y 1m, es decir, aquellas cuyas frecuencias pertenecen al rango que ...
  • Mission planning approach for the control of a collaborative UAV network 

    Zamora Martínez, Carlos (Universitat Politècnica de Catalunya, 2008-07-20)
    Master thesis (pre-Bologna period)
    Open Access
    Unmanned aerial vehicles (UAV's) have received an increasing amount of attention in recent literature. Investigations and developments over the past years have been focused mostly in military applications. Nowadays, it ...
  • Modelado de secciones curvas con tecnología microstrip 

    Aires Casas, Fco. Manuel (Universitat Politècnica de Catalunya, 2008-01-31)
    Master thesis (pre-Bologna period)
    Open Access
    El fin de algunos dispositivos electrónicos es ocupar el menor espacio posible, sin que la calidad de su función se devalúe apreciablemente, y para conseguirlo es necesario utilizar técnicas de miniaturización. Así, el ...