Now showing items 41-60 of 110

  • Electromagnetic emission analysis of a multiband EMI filter based on sub-wavelength resonators 

    Ruiz Torrejón, José María; Gil Galí, Ignacio; Morata Cariñena, Marta (The Electromagnetics Academy., 2006)
    Conference lecture
    Open Access
    In this paper the electromagnetic emission of sub-wavelength EMI filter based on SRR and CSRR resonator has been analysed by means of near E and H fields simulation with the FDTD SEMCAD® software. The target bands are ...
  • Electromagnetic interference reduction in printed circuit boards by using metamaterials: a conduction and radiation impact analysis 

    Gil Galí, Ignacio; Fernández García, Raúl (2013-12-24)
    Article
    Open Access
    This work aims to compare the implementation of two metamaterials for reducing electromagnetic interference (EMI) in printed circuit boards. Specifically, complementary split-ring resonators (CSRRs) and electromagnetic ...
  • Electromagnetisme i cinema: d'El Hotel Eléctrico (1908) a Frankenstein (1931) 

    Moreno Lupiáñez, Manuel (Societat Catalana d'Història de la Ciència i de la Tècnica (SCHCT), 2008)
    Conference lecture
    Open Access
    The presence of the electromagnetism in the cinema is analyzed. The cinema, that also owes its origin to the electricity, is a faithful reflection of the expectations, hopes and distrusts that always accompany to the ...
  • Enhancing the performance of handset antennas by means of groundplane design 

    Anguera Pros, Jaume; Sanz, Ivan; Sanz, Alfonso; Gala, David; Condes, Antonio; Puente Baliarda, Carles; Soler, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2006)
    Conference report
    Restricted access - publisher's policy
  • Entorn virtual d’aprenentatge autònom 

    Periago Oliver, M. Cristina; Jaen Herbera, Javier; Bohigas Janoher, Xavier; Pejuan Alcobé, Arcadi (2010)
    Conference lecture
    Open Access
    En aquesta ponència presentem un Entorn Virtual d’Aprenentatge (EVA) dissenyat per fomentar l’aprenentatge autònom [1,2,3]. Es tracta d’una activitat dirigida en la qual se suggereixen les accions que l’estudiant ha de ...
  • Estudi d’un captador d’energia electromagnètic a partir de les vibracions generades per l’onatge incident en una boia 

    Valls Vivas, Lluís (Universitat Politècnica de Catalunya, 2018-10-25)
    Bachelor thesis
    Restricted access - author's decision
    [CATALÀ] Aquest projecte és basa en els passos a seguir per l’implementació i el disseny d’un captador d’energiaper tal d’alimentar mitjançant el moviment de les ones marines,els sensors incorporats en una boiade deriva. ...
  • Estudi teòric i pràctic de la bobina de Tesla 

    Escudé Codina, Adrià (Universitat Politècnica de Catalunya, 2016-06-28)
    Bachelor thesis
    Restricted access - author's decision
  • Experimental investigations into the effects of electrical stress on electromagnetic emission from integrated circuits 

    Boyer, Alexandre; Dhia, Sonia Ben; Fernández García, Raúl; Berbel Artal, Néstor (2013-07-18)
    Article
    Restricted access - publisher's policy
    Recent studies have shown that the aging of integrated circuits may modify electromagnetic emission significantly. This paper reports on an experiment to elucidate the origins of emis- sion level changes in a test chip ...
  • Experimental verification of the usefulness of the n-th power law MOSFET model under hot carrier wearout 

    Berbel Artal, Néstor; Fernández García, Raúl; Gil Galí, Ignacio; Li, B.; Boyer, A.; BenDhia, S. (2011-09-16)
    Article
    Open Access
    In this paper the usefulness of the nth power law MOSFET model under Hot Carrier Injection (HCI) wearout has been experimentally demonstrated. In order to do that, three types of nFET transistors have been analyzed under ...
  • Exploratory data analysis on stochastic emissions near-field scanning measurements 

    Oliva Sánchez, José Antonio; Azpúrua Auyanet, Barón Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando; Baharuddin, M.H.; Smartt, C.; Thomas, D.W.P (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Open Access
    Recently, near-field scanning techniques for measuring and analysing stochastic emissions have been theoretically and experimentally studied and they are promising in terms of the characterization and classification radiated ...
  • Fast and Accurate Computation of Hypersingular Integrals in Galerkin Surface Integral Equation Formulations via the Direct Evaluation Metho 

    Polimeridis, Athanasios G.; Tamayo Palau, José María; Rius Casals, Juan Manuel; Mosig, Juan Ramón (2011-04)
    Article
    Restricted access - publisher's policy
    Hypersingular 4-D integrals, arising in the Galerkin discretization of surface integral equation formulations, are computed by means of the direct evaluation method. The proposed scheme extends the basic idea of the ...
  • Fast direct solution of method of moments linear system 

    Heldring, Alexander; Rius Casals, Juan Manuel; Tamayo Palau, José María; Parrón Granados, Josep; Úbeda Farré, Eduard (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2007-11)
    Article
    Open Access
    A novel algorithm, the compressed block decomposition (CBD), is presented for highly accelerated direct (non iterative) method of moments (MoM) solution of electromagnetic scattering and radiation problems. The algorithm ...
  • Fast shadowing computation in physical optics surface 

    Rius Casals, Juan Manuel; Carbo, Alex; Úbeda Farré, Eduard; Heldring, Alexander (2013)
    Conference report
    Restricted access - publisher's policy
    GRECO code has been updated by replacing the graphical processing technique for computation of Physical Optics surface integral by a hybrid CPU-graphical processing approach. The resulting code needs more CPU power for ...
  • Feedback formulation for multiple scatterers 

    Cruellas Ibarz, Juan Carlos; Ferrando Bataller, Miquel (1988)
    Conference report
    Open Access
    A numerical method for the scattering problem is presented that uses feedback formulation to model multiple interactions between objects, expressing incidents and scattered fields as sums of cylindrical modes, resulting ...
  • Flexible PIFA antenna design for wireless sensor networks in wearable healthcare applications 

    Gil Galí, Ignacio; Fernández García, Raúl (The Electromagnetics Academy., 2006)
    Conference lecture
    Open Access
    In this work a flexible wearable PIFA antenna has been designed in order to operate according to the Bluetooth v4 standard (2400-2483.5 MHz) in healthcare applications designed for wireless sensor networks. The substrate ...
  • Formulación de realimentación para el análisis de la difracción de objetos múltiples 

    Cruellas Ibarz, Juan Carlos; Ferrando Bataller, Miquel (Universidad Politécnica de Madrid (UPM), 1988)
    Conference report
    Open Access
    Electromagnetic scattering of several dielectric objects is computed by a method which uses a feedback formulation to model multiple interactions between scatterers and expreses incident and scattered fields as sums of ...
  • Fractal multiband patch antenna 

    Borja, C.; Puente Baliarda, Carles; Romeu Robert, Jordi; Anguera Pros, Jaume (European Space Agency (ESA), 2000)
    Conference report
    Restricted access - publisher's policy
    The multiband behaviour of the Sierpinski patch antenna is described in this paper. Experimental results show that the self similarity properties of the fractal shape are translated into its electromagnetic behaviour.
  • Fractal-shaped antennas and their application to GSM 900/1800 

    Puente Baliarda, Carles; Anguera Pros, Jaume; Romeu Robert, Jordi; Borja, C.; Navarro, Mónica; Soler, Jordi (2001)
    Article
    Restricted access - publisher's policy
  • HPC and edge elements for geophysical electromagnetic problems: an overview 

    Castillo, Octavio; Puente, Josep de la; Puzyrev, Vladimir; Cela Espín, José M. (Barcelona Supercomputing Center, 2015-05-05)
    Conference report
    Open Access
    In Finite Element Methods for solving electromagnetic problems, the use of Nédélec Elements has become very popular. In fact, Nédélec Elements are often said to be a cure to many difficulties that are encountered, particularly ...
  • Impact of temperature on the electromagnetic susceptibility of operational amplifiers 

    Fernández García, Raúl; Gil Galí, Ignacio (2012)
    Conference lecture
    Open Access
    In this paper, the impact of temperature on the electromagnetic susceptibility of operational ampli¯ers at di®erent frequencies is presented. The IEC 62132-4 direct power injection standard has been used with several ...