Exploració per autor "Silva Martínez, Fernando"Més informacióMés informació

Ara es mostren els items 14-33 de 83

    • Benefits of full time-domain EMI measurements for large fixed installation 

      Pous Solà, Marc; Azpúrua Auyanet, Marco Aurelio; Silva Martínez, Fernando (2016)
      Text en actes de congrés
      Accés obert
      It is difficult to properly evaluate the electromagnetic disturbances generated by large fixed installations because of, i.e., the background noise, unsteady emissions and transient interferences. Those challenging EMC ...

    • Broadband antenna FDTD modeling for EMC test 

      Jauregui Tellería, Ricardo; Silva Martínez, Fernando; Heras, Miguel (2010)
      Comunicació de congrés
      Accés obert
      This paper describes the modeling and analysis to modeling EMC immunity test by means of computer simulation with Finite Difference Time Domain (FDTD) method. To ensure the integrity of the results the log-periodic ...

    • Broadband effective dielectric permittivity of heterogeneous 3D printed PLA structures 

      Azpúrua Auyanet, Marco Aurelio; Mateu Mateus, Marc; Pous Solà, Marc; Quílez Figuerola, Marcos; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Text en actes de congrés
      Accés obert
      3D printing and additive manufacturing technologies are increasingly being employed for electronics, RF, and microwave applications because they allow high design flexibility at low cost and rapid prototyping. The intrinsic ...

    • Car windshield behavior transient analysis by FDTD 

      Jauregui Tellería, Ricardo; Pous Solà, Marc; Vives, Yolanda; Fernández Chimeno, Mireya; Riu Costa, Pere Joan; Silva Martínez, Fernando (2009-06)
      Text en actes de congrés
      Accés obert
      The present article studies the influence of a car heatable windshield by means of an equivalent material that allows an appropriate meshing of the vehicle. This study has been performed analyzing the propagation of an ...

    • Characterization of EMI filters based on metamaterials 

      Gil Galí, Ignacio; Fernández García, Raúl; Vives, Yolanda; Jauregui Tellería, Ricardo; Silva Martínez, Fernando (2009-06)
      Comunicació de congrés
      Accés obert
      This paper analyzes the behavior of EMI filters based on metamaterials. The filters are developed by means of sub-wavelength resonators and designed to have notch-type attenuation in the 2.45 GHz band. Two types of filters ...

    • Characterization of time domain EM field double-loaded curved loop probe 

      Pous Solà, Marc; Quílez Figuerola, Marcos; Fernández Chimeno, Mireya; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      In this paper, we present and analyze the performance of a double-loaded curved loop probe to measure simultaneously electric and magnetic fields (EMF). The aim is to construct a probe that can be fitted to non-planar ...

    • Co-simulation methodology to evaluate digital communication systems interfered by transients 

      Pous Solà, Marc; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper a method combining different types of simulation is used to evaluate transient interferences over a digital communication system at its frequency band. The method combines different simulation stages; the ...

    • Conducted emissions verification setup improvement for space applications 

      Pous Solà, Marc; Azpúrua Auyanet, Marco Aurelio; Zhao, Dongsheng; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Text en actes de congrés
      Accés obert
      Just-before-test verification is needed to ensure that electromagnetic interference measurements are correctly performed. Some standards cover such specific requirements regarding test verification, this is the case of the ...

    • Decomposition of electromagnetic interferences in the time-domain 

      Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando (2016-01-26)
      Article
      Accés obert
      Electromagnetic interferences are potentially very complex signals formed by the superposition of transient (broadband) and continuous wave (narrowband) components with significant randomness in both amplitude and phase. ...

    • Design and validation of a test fixture for studying RF current flux through mechanical aircraft joints 

      Solé Lloveras, Jordi; Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Quílez Figuerola, Marcos; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Comunicació de congrés
      Accés obert
      The study of electric currents flowing through the airframe is important from an EMC standpoint due to the potential to cause severe aircraft failures. Nevertheless, this is a challenging task because of the complex shape, ...

    • Dynamic performance evaluation of full time domain EMI measurement systems 

      Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Fernández Chimeno, Mireya; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      This paper presents the evaluation of the performance of Full Time Domain Electromagnetic Interference measurement systems in terms of the noise figure, the linearity, the dynamic range, the voltage standing wave ratio and ...

    • Efficient in situ assessment of radiated emissions using time-domain measurements 

      Solé Lloveras, Jordi; Azpúrua Auyanet, Marco Aurelio; Aragon Homar, Marc; Yoshioka, Yasutoshi; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Text en actes de congrés
      Accés obert
      This paper presents three different case studies where the electromagnetic emissions of atypical equipment (a photovoltaic system, a passenger boarding bridge and a pallet washing machine) have been assessed in situ using ...

    • Electromagnetic characterization of 3D printed antennas employing conductive filament 

      Pous Solà, Marc; Azpúrua Auyanet, Marco Aurelio; Quílez Figuerola, Marcos; Mateu Mateus, Marc; Fernández Chimeno, Mireya; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This work presents the need to accurately define EM characterization of novel materials like the 3D conductive filament. Although these construction techniques and materials are currently used by the industry, the influence ...

    • Electromagnetic interference prediction in an in-house power-line 

      Samso, Margarita; Ribó, Miquel; Sanchez, Albert-Miquel; Regué, J.R.; Aragon Homar, Marc; Silva Martínez, Fernando (IEEE, 2012)
      Text en actes de congrés
      Accés obert
      Abstract —In this paper a new methodology for the prediction of the conducted-emission propagation in an in-house power- line network is presented. This methodology is based on the modal S -parameter characterization ...

    • EMC filter based on complementary split-ring resonators for audio applications 

      Gil Galí, Ignacio; Fernández García, Raúl; Pous Solà, Marc; Silva Martínez, Fernando (2009-11)
      Comunicació de congrés
      Accés obert
      Filters based on complementary split-ring resonators present a large notch attenuation at the resonant frequency. An application of these very low cost filters to an audio system interfered by a mobile phone is presented ...

    • EMC testing of electricity meters using real-world and artificial current waveforms 

      Van Den Brom, H.E.; ten Have, Bas; Hartman, Tom; Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando; Leferink, F.; van Leeuwen, Ronald; Marais, Zander; Kok, Gertjan J. P.; van Veghel, Marijn G. A.; Kolevatov, Ilia; Malmbekk, Helge (2021)
      Article
      Accés obert
      In 2015, the energy measurement of some static electricity meters was found to be sensitive to specific conducted electromagnetic disturbances with very fast current changes caused by highly nonlinear loads, leading to ...

    • EMI radiated characterization of an hybrid bus 

      Pous Solà, Marc; Atienza Picola, Andreu; Silva Martínez, Fernando (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, the electromagnetic emission measurements of an hybrid bus are presented. The measurements were carried out in different modes, i.e.: pulling away, running and braking. With the tests performed we analyze ...

    • Estimación y medida de campos electromagnéticos radiados por sistemas de cableado diferenciales. 

      Silva Martínez, Fernando (Universitat Politècnica de Catalunya, 1997-06-02)
      Tesi
      Accés obert

    • Estimation of static energy meter interference in waveforms obtained in on-site scenarios 

      ten Have, Bas; Azpúrua Auyanet, Marco Aurelio; Hartman, Tom; Pous Solà, Marc; Moonen, Niek; Silva Martínez, Fernando; Leferink, F. (2022-02)
      Article
      Accés obert
      Static energy meters have shown errors beyond the standards due to conducted electromagnetic interference of pulsed currents. This was observed in several case studies and confirmed by laboratory experiments, which showed ...

    • Ethernet 10GBASE-T common mode filter based on metamaterial 

      Pachon, Arturo; Silva Martínez, Fernando (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A common mode filter design based on metamaterial structures is developed. Basic topology simulations and prototype measurements are presented and the specific application to an Ethernet LAN is analyzed.