Exploració per autor "González Arbesú, José María"Més informacióMés informació

Ara es mostren els items 38-52 de 52

    • 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
      Accés obert
      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 ...

    • Method to measure reflection coefficient under CW high-power signals in SAW resonators 

      González Rodríguez, Marta; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; González Arbesú, José María; Huebner, Sebatian; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Improving power handling and lifetime are key assets to ensure device performance and reliability. SAW resonators composed by very thin cross-section inter-digital transducer (IDT) structures make difficult to control the ...

    • Microstrip patch antenna design using artificial material loadings 

      Calafell Rueda, Irena; Ferrer, Pere; González Arbesú, José María; Romeu Robert, Jordi (2010)
      Text en actes de congrés
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      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)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      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)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      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)
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      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)
      Capítol de llibre
      Accés obert

    • 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)
      Text en actes de congrés
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      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
      Accés restringit per política de l'editorial
      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)
      Text en actes de congrés
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      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)
      Text en actes de congrés
      Accés obert

    • Tone injection-based cancellation technique for nonlinear distortion reduction of modulated signals in BAW resonators 

      González Rodríguez, Marta; Collado Gómez, Juan Carlos; González Arbesú, José María; Mateu Mateu, Jordi; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís (2020-01-01)
      Article
      Accés obert
      A technique for the reduction of third-order intermodulation distortion (IMD3) occurring in bulk acoustic wave (BAW) filters and multiplexers is presented. The method consists of using the intrinsic second-order intermodulation ...

    • Transpolarizing surfaces and potencial applications 

      Ferrer, P J; González Arbesú, José María; Craeye, C; Romeu Robert, Jordi (2009)
      Text en actes de congrés
      Accés obert

    • 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
      Accés restringit per política de l'editorial
      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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...