Now showing items 1-20 of 56

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

    Azpúrua Auyanet, Barón 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 ...
  • 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. ...
  • 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, Barón 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 ...
  • A review on the drawbacks and enhancement opportunities of the feature selective validation 

    Azpúrua Auyanet, Barón 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, Barón 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 ...
  • Benefits of full time-domain EMI measurements for large fixed installation 

    Pous Solà, Marc; Azpúrua Auyanet, Barón 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 ...
  • 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 ...
  • 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 ...
  • Decomposition of electromagnetic interferences in the time-domain 

    Azpúrua Auyanet, Barón Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando (2016-01-26)
    Article
    Open Access
    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. ...
  • Desenvolupament d'un entorn de test automàtic per a components de vehicles híbrids 

    Barceló Vernet, Carlos; Silva Martínez, Fernando (Universitat Politècnica de Catalunya, 2012-07-23)
    Master thesis
    Open Access
    [ANGLÈS] The main objective of this project is to calibrate and verify the voltage and the current intensities of one hybrid BMW vehicle's component called SBOX manufactured by Lear Corporation. This measurement and ...
  • Dynamic performance evaluation of full time domain EMI measurement systems 

    Azpúrua Auyanet, Barón Marco Aurelio; Pous Solà, Marc; Fernández Chimeno, Mireya; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Open Access
    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 ...
  • 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)
    Conference report
    Open Access
    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 ...