Now showing items 21-40 of 55

  • Estudio del diseño low-cost de un analizador de termoplásticos basado en la espectroescopia 

    Martín Velasco, Iván (Universitat Politècnica de Catalunya, 2019-06-10)
    Bachelor thesis
    Open Access
    Este trabajo de final de grado ha sido realizado con el objetivo de localizar la opción más óptima utilizando espectroscopia para poder distinguir los diferentes materiales plásticos obtenidos como residuos, y así, poder ...
  • Estudio de sistemas de beamforming analógico-digitales 

    Piqué Muntané, Ignasi (Universitat Politècnica de Catalunya, 2018-07-02)
    Bachelor thesis
    Open Access
    Covenantee:  Universitat Carlos III de Madrid
    En el presente proyecto se han estudiado y simulado sistemas que implementen técnicas propias del 5G. Debido a que el mundo de las comunicaciones móviles está en plena revolución con la instauración de esta nueva tecnología, ...
  • Estudio sobre la viabilidad de redes radio cognitivas en el Campus Nord de la Universidad Politécnica de Cataluña 

    Sánchez López, Cristian (Universitat Politècnica de Catalunya, 2016-07)
    Bachelor thesis
    Open Access
    The saturation of the radio spectrum is leading to new scenarios with we must deal which because the radio spectrum is a scarce and limited resource. Currently, it coexists multiple services in the spectrum, each one is ...
  • Extracto 

    Lupón Bas, Núria (2008-12-01)
    Audiovisual
    Open Access
  • Improved accuracy in the scattering analysis of infinitely long ferromagnetic objects 

    Sekulic, Ivan; Úbeda Farré, Eduard; Rius Casals, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Restricted access - publisher's policy
    The scattering of transversal magnetic (TM) electromagnetic waves impinging on infinitely long homogeneous ferromagnetic objects is usually analyzed with the Poggio-Miller-Chan-Harrington-Wu-Tsai (PMCHWT) integral equation. ...
  • Indoor experiments on polarimetric SAR interferometry 

    Sagués Piella, Lluís; López-Sánchez, Juan Manuel; Fortuny, Joaquim; Fabregas Canovas, Francisco Javier; Broquetas Ibars, Antoni; Sieber, A. J. (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2000-03-31)
    Article
    Open Access
    A coherence optimization method, which makes use of polarimetry to enhance the quality of SAR interferograms, has been experimentally tested under laboratory conditions in an anechoic chamber. By carefully selecting the ...
  • Interactive 3D simulations 

    Sans Armenter, Jordi (Universitat Politècnica de Catalunya, 2009-05-09)
    Master thesis (pre-Bologna period)
    Open Access
    “Simulation” is a word that might be familiar to everybody. Its meaning is so expanded in all sectors (medicine, education, biology, engineering, psychology...), that the introduction of this paperwork will mainly focus ...
  • Inter-islands optical link tests 

    Comerón Tejero, Adolfo; Bará Temes, Francisco Javier (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1990-05-01)
    Article
    Open Access
    Free-space optical communication systems between satellites and also between a satellite and a ground station foreseen in Europe in the mid-1990's require far-field on-ground experimentation prior to launch. To identify ...
  • Iterative network models to predict the performance of Sierpinski fractal antennas and networks 

    Borja, C.; Puente Baliarda, Carles (Institute of Electrical and Electronics Engineers (IEEE), 1999)
    Conference report
    Restricted access - publisher's policy
    Two simple, fast numerical models to predict the input parameters of antennas and networks whose topologies are that of the Sierpinski gasket and carpet fractal shape, are introduced. These models are based on the same ...
  • Microscopic dynamics of glycerol: a QENS study 

    Rovira Esteva, Muriel; Vispa, Alessandro; Ruíz Martín, María Dolores; Busch, Sebastian; Unruh, T.; Pardo Soto, Luis Carlos; Tamarit Mur, José Luis (Institute of Physics (IOP), 2014-01-09)
    Article
    Open Access
    We report on a quasielastic incoherent neutron scattering (QENS) experiment onliquid glycerol. QENS data were collected at thetemperature T=380 K and witharesolution(FWHM)R=55µeV.The analysis of the quasielastic signal ...
  • MMID system with polarization diversity for ID and vital signal detection 

    Farrero Cierco, Gerard (Universitat Politècnica de Catalunya, 2016-02-11)
    Bachelor thesis
    Open Access
    Covenantee:  École polytechnique de Montréal
    The chipless RFID tag presented in this thesis is based in the millimetre wave technology and exploits the advantage offered by the polarization and frequency diversity for detecting and identifying. The RFID tag and reader ...
  • Modeling and simulation of TeraHertz waves interaction with neuronal cells 

    Cano Bergada, Guillem (Universitat Politècnica de Catalunya, 2018-05-21)
    Bachelor thesis
    Open Access
    Covenantee:  State University of New York at Buffalo / Universitat de Barcelona
    In this thesis, the interaction of Terahertz (THz) radiation with neurons and neuronal tissues is investigated. After conducting a thorough literature search and reviewing the state of the art of THz physics and technology, ...
  • Non-destructive evaluation of civil structures using electromagnetic waves 

    Garcia, Pablo Juan (Centre de Publicacions del Campus Nord SCCL (CPET), 2009)
    Conference lecture
    Open Access
  • Nonlinear electromagnetic stabilization of ITG microturbulence by ICRF-driven fast ions in ASDEX Upgrade 

    de Oliveira, F.N.; Doerk, H.; Mantsinen, Mervi J.; Angioni, C.; Bilato, R.; Bobkov, V.; Dunne, M.; Gallart, D.; Gutiérrez-Milla, A.; Mantica, P.; Odstrcil, T.; Tardini, G.; Sáez, Xavier; ASDEX Upgrade Team; EUROfusion MST1 Team (2016-10)
    Conference lecture
    Open Access
    Electromagnetic waves in the range of Ion Cyclotron Resonance Frequencies (ICRF) have many applications in fusion devices. While their use for external heating of magnetically confined fusion plasmas is well established, ...
  • Numerical analysis of MHD-thermofluid flows considering sandwich structures as applied to liquid breeding blankets for fusion technology 

    Mas de les Valls Ortiz, Elisabet; Batet Miracle, Lluís; Medina Iglesias, Vicente César de; Fradera, Jordi; Sedano, L.A. (2011)
    Conference report
    Restricted access - publisher's policy
    Lead lithium flowing inside breeding blanket’s channels in a fusion reactor is subject to a Hartmann number of 104 and a Grashof number 109􀀀12. Since under such conditions buoyancy can be of the same order of magnitude ...
  • Numerical simulation of long-path spherical wave propagation in three-dimensional random media 

    Rubio Sancho d'Ávila, Juan Antonio; Belmonte Molina, Aniceto; Comerón Tejero, Adolfo (SPIE-INT SOCIETY OPTICAL ENGINEERING, 1999-09-30)
    Article
    Open Access
    A new method to overcome some limitations in the simulation of the propagation of waves originating from a point source through a very long path in a turbulent medium is presented. Existing propagation simulation algorithms ...
  • Ondas Terahercios y aplicaciones 

    Figueras Mateo, Eduard (Universitat Politècnica de Catalunya, 2018-06)
    Bachelor thesis
    Open Access
    We introduce to terahertz waves, this project let you understand how is working and the differences about time domain system and frequency domain system. Our intention is to make a guide to people who need work with these ...
  • Planar and cylindrical active microwave temperature imaging... 

    Rius Casals, Juan Manuel; Jofre Roca, Lluís; Broquetas Ibars, Antoni (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1992-12-02)
    Article
    Open Access
    A comparative study at 2.45 GHz concerning both measurement and reconstruction parameters for planar and cylindrical configurations is presented. For the sake of comparison, a numerical model consisting of two nonconcentric ...
  • Polarimetric speckle noise effects in quantitative physical parameters retrieval 

    López Martínez, Carlos; Hajnsek, I.; Lee, J. S.; Pottier, Eric; Fabregas Canovas, Francisco Javier (IEE-INST ELEC ENG, 2006-06-30)
    Article
    Open Access
    Quantitative estimation of physical parameters of the Earth's surface is currently an active area of research. Multidimensional synthetic aperture radar (SAR) systems appear in this framework as a tool capable of performing ...
  • Protección contra las radiaciones electromagnéticas en la edificación 

    Colón de la Cruz, Manuel Joaquin; Rojas Reyes, Dhariana Anery (Universitat Politècnica de Catalunya, 2012-06)
    Master thesis
    Open Access
    ABSTRACT - It's a proven fact that there are electro-sensitive people, this has brought the concern of the scientific and construction sector. On the construction sector the materials against Electromagnetic Fields provide ...