Exploració per autor "Silva Martínez, Fernando"
Ara es mostren els items 25-44 de 83
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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 obertThis 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'editorialThis 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 obertAbstract —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 obertFilters 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 obertIn 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'editorialIn 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 obertStatic 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'editorialA 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. -
Exploratory data analysis on stochastic emissions near-field scanning measurements
Oliva Sánchez, José Antonio; Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando; Baharuddin, M.H.; Smartt, C.; Thomas, D.W.P (Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés obertRecently, near-field scanning techniques for measuring and analysing stochastic emissions have been theoretically and experimentally studied and they are promising in terms of the characterization and classification radiated ... -
Factors influencing the successful validation of transient phenomenon modelling
Jauregui Tellería, Ricardo; Silva Martínez, Fernando; Orlandi, Antonio; Sasse, Hugh; Duffy, Alistair (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
Text en actes de congrés
Accés obertAn increased requirement for validation of computational electromagnetic simulation and modelling through the publication of IEEE Standard 1597.1 brings to light some interesting issues surrounding the validation of ... -
Fast and automated verification of multi-channel full time-domain EMI measurement systems
Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando; Oliva Sánchez, José Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés obertRecently, concern has been raised with regard to the adequacy of current verification practices carried out in electromagnetic compatibility (EMC) testing laboratories. Bridging the gap in the scope and reliability of the ... -
Full Time Domain EMI Measurement system applied to Railway emissions according to IEC 62236-3-1/EN 50121-3-1 standards
Pous Solà, Marc; Azpúrua Auyanet, Marco Aurelio; Oliva Sánchez, José Antonio; Aragon Homar, Marc; González García, Iván; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2018)
Comunicació de congrés
Accés obertThis paper studies the advantages of applying time-domain based instrumentation to conduct electromagnetic interference emissions from rolling-stock. In IEC 62236-3-1 or EN 50121-3-1 standards, it is mandatory to measure ... -
Improved electromagnetic compatibility standards for the interconnected wireless world
Pous Solà, Marc; Azpúrua Auyanet, Marco Aurelio; Silva Martínez, Fernando (2019)
Text en actes de congrés
Accés obertThe future is wireless, a world where everything is interconnected. However, the current standards for ensuring the electromagnetic compatibility (EMC) and the coexistence of such wireless systems urge for a major update. ... -
Improving time-domain EMI measurements through digital signal processing
Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Cakir, S.; Silva Martínez, Fernando; Cetinta, M. (2015-07)
Article
Accés restringit per política de l'editorialThis article is intended to provide a set of recommended practices for improving of the Time-Domain EMI measurement systems by means of digital signal processing. We have focused on two major aspects: the optimal configuration ... -
Initial analysis of SAR from a cell phone inside a vehicle by numerical computation.
Anzaldi, Gabriel; Silva Martínez, Fernando; Fernández Chimeno, Mireya; Quílez Figuerola, Marcos; Riu Costa, Pere Joan (Institution of Electrical and Electronics Engineers, 2007-05-31)
Article
Accés obertThe purpose of this paper is to analyze the influence of the metallic structures of a realistic car body frame on the specific absorption rate (SAR) produced by a cell phone when a complete human body model is placed at ... -
Man-made noise in our living environments
Silva Martínez, Fernando; Leferink, Frank; Catrysse, Johan; Batterman, Sven; Beauvois, V; Roc'h, A (2010-09)
Article
Accés restringit per política de l'editorialThe ITU’s (International Telecommunication Union’s) man-made noise levels are based on measurements performed in the 1970s. Some measurements have been carried out since then, showing that noise caused by automotive ... -
Measurement and evaluation techniques to estimate the degradation produced by the radiated transients interference to the GSM system
Pous Solà, Marc; Azpúrua Auyanet, Marco Aurelio; Silva Martínez, Fernando (2015-12)
Article
Accés obert -
Measuring receiver benchmark for conducted and radiated emissions testing in space applications
Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Solé Lloveras, Jordi; Zhao, Dongsheng; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2023)
Text en actes de congrés
Accés obertThis paper compares the measurement results obtained from three different implementations of measuring receivers regarding spectral level accuracy. The objective is to validate the suitability of direct sampling electromagnetic ... -
Mobile phones electromagnetic interference in medical environments: a review
Fernández Chimeno, Mireya; Silva Martínez, Fernando (2010)
Comunicació de congrés
Accés restringit per política de l'editorialThis paper presents a review of the effect of electromagnetic interferences of mobile phones in medical environment. The review is focussed in two areas, EMI in implantable devices like pacemakers or ICD, and EMI in ...