Now showing items 21-33 of 33

  • Metamateriales en microondas y antenas 

    González Arbesú, José María; Úbeda Farré, Eduard; Romeu Robert, Jordi (Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 2003)
    Article
    Open Access
    Desde la década de los '80 una gran variedad de materiales artificiales (no existentes en la naturaleza) son intensivamente estudiados por sus inusitadas y sorprendentes propiedades electromagnéticas (como partes reales ...
  • Microstrip patch antenna design using artificial material loadings 

    Calafell Rueda, Irena; Ferrer, Pere; González Arbesú, José María; Romeu Robert, Jordi (2010)
    Conference report
    Open Access
    Patch antennas filled using different material loadings, both homogeneous and dispersive, are reviewed in order to assess its FBW value. A compact formulation proposed by Yaghjian and Best [1] to compute the FBW of antennas ...
  • New technique to cancel IMD3 in electroacoustic filters 

    González Rodríguez, Marta; Collado Gómez, Juan Carlos; González Arbesú, José María; Mateu Mateu, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference lecture
    Restricted access - publisher's policy
    This work presents a new technique to cancel third-order intermodulation distortion (IMD3) by using a low frequency injected tone to generate a second-order intermodulation product (IMD2) that fall exactly at the same ...
  • Nonlinear effects of electrode and bragg reflector materials in BAW resonators 

    García Pastor, David; González Rodríguez, Marta; Hueltes Escobar, Alberto; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; González Arbesú, José María; Kreuzer, Susanne; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference lecture
    Restricted access - publisher's policy
    This work presents a broadband characterization and modeling of the second harmonic nonlinear response in Bulk acoustic wave (BAW) resonators. The proposed circuit model is based on the constitutive equations describing ...
  • Outline process from the synthesis towards the nonlinear modeling of Bulk Acoustic Wave filters 

    Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Hueltes Escobar, Alberto; Perea Robles, Rafael; García Pastor, David; González Rodríguez, Marta; González Arbesú, José María (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    This work presents the nonlinear modeling of a real acoustic wave filter set at the cellular commercial receiver band B40. The paper outlines the synthesis procedure of the acoustic filter and presents the filter performance ...
  • Passive devices for UWB systems 

    Mira, Fermín; Mollfulleda, Antonio; Miskovsky, Pavel; Mateu Mateu, Jordi; González Arbesú, José María (Sciyo.com, 2010-09)
    Part of book or chapter of book
    Open Access
  • Self-similar current distribution on fractal Sierpinski antenna verified with infrared thermograms 

    González Arbesú, José María; Puente Baliarda, Carles; Romeu Robert, Jordi; Aguasca Solé, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 1999)
    Conference report
    Open Access
    Experimental verification of the fractal Sierpinski antenna surface current distribution is presented. Measured data from an infrared camera agree with numerical data showing a self-similar behavior in the current density ...
  • Signal-to-noise ratio equalization for TOPSAR mode using a nonuniform steering rate 

    Ruiz Rodon, Josep; Broquetas Ibars, Antoni; González Arbesú, José María; Closa Domínguez, Josep M.; Labriola, M (2011-09-15)
    Article
    Restricted access - publisher's policy
    In this letter, an optimized scanning in terrain observation by progressive scan synthetic aperture radar (TOPSAR) mode is studied. A nonuniform steering rate of the radar array antenna in the along-track direction is ...
  • Sistema de adquisición y procesado de datos en campo próximo esférico 

    González Arbesú, José María; Blanch Boris, Sebastián (1991)
    Conference report
    Open Access
    Near field antenna measurements supply e qua! or more accurate results than far field measurements, its main dijficulty is the post processing of the data measured in the anechoic chamber. In this paper we show a measurement ...
  • Spiral resonator mu-near-zero substrates for grounded slot antennas 

    Ferrer, Pere; González Arbesú, José María; Romeu Robert, Jordi (2010)
    Conference report
    Open Access
  • Transpolarizing surfaces and potencial applications 

    Ferrer, P J; González Arbesú, José María; Craeye, C; Romeu Robert, Jordi (2009)
    Conference report
    Open Access
  • Transpolarizing trihedral corner reflector characterization using a GB-SAR system 

    Ferrer, Pere J.; López Martínez, Carlos; Aguasca Solé, Alberto; Pipia, Luca; González Arbesú, José María; Fabregas Canovas, Francisco Javier; Romeu Robert, Jordi (2011-07)
    Article
    Restricted access - publisher's policy
    The use of a low-profile, lightweight, and easy-to-fabricate transpolarizing surface placed on one side of a trihedral corner reflector (TCR) as a polarimetric calibrator is presented in this letter. The transpolarizing ...
  • Trimming the power consumption of domestic Wi-Fi networks: how much power does your router need? 

    Pérez Díaz de Cerio, David; González Rodríguez, Marta; Valenzuela González, José Luis; González Arbesú, José María (2015)
    Conference report
    Restricted access - publisher's policy
    This work is part of a project where the goals are: designing energetically-optimum domestic WiFi routers; obtaining real and accurate power consumed models as a function of router configuration, and providing the ...