Browsing by Author "Silva Martínez, Fernando"Més informacióMés informació

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    • 3D printed probe for simultaneous E and H fields measurements 

      Quílez Figuerola, Marcos; Pous Solà, Marc; Mateu Mateus, Marc; Solé Lloveras, Jordi; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Conference report
      Open Access
      Additive manufacturing using conductive polylactic acid (PLA) is an emerging technology. This work presents a double-loaded loop probe made of conductive PLA and evaluates its performance compared to a previous design built ...

    • A measurement system for radiated transient electromagnetic interference based on general purpose instruments 

      Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Open Access
      This paper presents a measurement system intended to be used to assets the radiated electromagnetic interference (EMI) in both time and frequency domains. In order to keep the measurement setup as accessible and practical ...

    • A review on the drawbacks and enhancement opportunities of the feature selective validation 

      Azpúrua Auyanet, Marco Aurelio; Paez, Eduardo Javier; Rojas Mora, Julio; Ventosa Llopart, Josep Oriol; Silva Martínez, Fernando; Zhang, Gang; Duffy, Alistair P.; Jauregui Telleria, Ricardo Ignacio (2014-08-01)
      Article
      Restricted access - publisher's policy
      The growing application of simulation tools to increasingly complex problems makes the use of validation techniques essential to improve confidence in the veracity of those simulation results. The feature selective validation ...

    • A single antenna ambient noise cancellation method for in-situ radiated EMI measurements in the time-domain 

      Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando (2016)
      Conference report
      Open Access
      This paper presents a single antenna ambient noise cancellation method for in-situ radiated emissions measurements performed using an entirely time-domain approach and the sliding window Empirical Mode Decomposition. The ...

    • Alternative conducted emission measurements on mains without LISNs 

      Pous Solà, Marc; Silva Martínez, Fernando (2015-12-01)
      Article
      Open Access
      Conducted emission tests are always performed by the use of LISNs in laboratories in accordance with CISPR22, CISPR11 and other similar standards. However, it is not always possible to use LISNs because of some limitations. ...

    • Alternative conducted immunity tests 

      Cakir, S.; Azpúrua Auyanet, Marco Aurelio; Silva Martínez, Fernando; Cetintas, Mustafa (2016-12-14)
      Article
      Open Access
      Conducted immunity tests are always performed by the use of CDNs in laboratories in accordance with the standard EN61000-4-6. However, it is not always possible to use CDNs because of some limitations. If the EUT (Equipment ...

    • Analysis of pre-processing techniques when using validation methods in computational electromagnetic simulations 

      Jauregui Tellería, Ricardo; Ventosa Llopart, Oriol; Silva Martínez, Fernando; Kunze, Marco (2013-05)
      Article
      Restricted access - publisher's policy
      In computational electromagnetic simulations, most validation methods have been developed to quantify the similarity of two datasets, making them an objective tool for test engineers to discuss data on a similar basis. ...

    • Analysis of the effect of deviated modulating signal characteristics on the susceptibility of a small medical device 

      Bastian, Geon George; Pinto Nunes, Tiago; Quílez Figuerola, Marcos; Fernández Chimeno, Mireya; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Conference report
      Restricted access - publisher's policy
      A variety of modulation techniques using various signal characteristics are used by the telecommunication industry in real-life applications. Despite this, the radiated immunity test based on the IEC 61000-4-3 only modulates ...

    • Analyzing transient phenomena in the time domain using the Feature Selective Validation (FSV) method 

      Jauregui Telleria, Ricardo Ignacio; Zhang, Gang; Rojas Mora, Julio; Ventosa Llopart, Josep Oriol; Silva Martínez, Fernando; Duffy, Alistair P.; Sasse, Hugh (2014-08-01)
      Article
      Restricted access - publisher's policy
      The increasing application of simulation tools to increasingly complex problems makes the use of validation tools essential to improve confidence in the veracity of those simulation results. IEEE Standard 1597.1 is the ...

    • APD outdoors time-domain measurements for impulsive noise characterization 

      Pous Solà, Marc; Azpúrua Auyanet, Marco Aurelio; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Open Access
      A novel measurement and post-processing technique for estimating if impulsive noise is capable of degrading the performance of digital communication systems (DCS) is presented. It is based on the well-known capability of ...

    • APD radiated transient measurements produced by electric sparks employing time-domain captures 

      Pous Solà, Marc; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      Electric sparks phenomena produce electromagnetic radiated transient noise which is one of the main interference causes that disturb digital communication systems such as DVB-T or GSM-R. Detectors and methodologies defined ...

    • Aplicación del método Feature Selective Validation al análisis de fenómenos transitorios 

      Ventosa Llopart, Oriol; Jauregui Tellería, Ricardo; Silva Martínez, Fernando (2011)
      Conference report
      Open Access
      In recent years, there has been an increased requirement for validation of computer simulation and electromagnetic modelling. During the development and implementation of new simulation methods it is useful, if not essential, ...

    • Application of the Feature Selective Validation Method to Pattern Recognition 

      Ventosa Llopart, Josep Oriol; Pous Solà, Marc; Silva Martínez, Fernando; Jauregui Telleria, Ricardo Ignacio (2014-08-01)
      Article
      Restricted access - publisher's policy
      Pattern recognition is a mature field; however, in recent years it has developed a special interest. Many methods have been developed exclusively focusing on this subject; all of them, however, are centered on certain types ...

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

      Pous Solà, Marc; Azpúrua Auyanet, Marco Aurelio; Silva Martínez, Fernando (2016)
      Conference report
      Open Access
      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)
      Conference lecture
      Open Access
      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)
      Conference report
      Open Access
      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)
      Conference report
      Open Access
      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)
      Conference lecture
      Open Access
      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)
      Conference report
      Open Access
      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)
      Conference report
      Restricted access - publisher's policy
      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 ...