Now showing items 1-20 of 27

  • A comparison of spatial interpolation methods for estimation of average electromagnetic field magnitude 

    Azpúrua Auyanet, Barón Marco Aurelio; Dos Ramos, Karina (2010)
    Article
    Restricted access - publisher's policy
    Several georeferenced measurements of electric field were done in a pilot area of Caracas, Venezuela, to verify that the magnitude of radio frequency electromagnetic fields is below the human exposure limits, recommended ...
  • 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 ...
  • An interpolation method to calibrate electromagnetic probes in semi-anechoic chambers 

    Tremola, Ciro; Azpúrua Auyanet, Barón Marco Aurelio; Páez, Eduardo Javier; Ormeño, D.; Rebolledo, A. (2012)
    Article
    Restricted access - publisher's policy
    Based upon the standard IEEE 1309, a new calibration method for electromagnetic (EM) probes is proposed. The aforementioned method compares the electric field strength measured with the EM probe subject to calibration with ...
  • 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 ...
  • A proposed method for quantifying uncertainty in RF immunity testing due to EUT presence 

    Páez, Eduardo Javier; Tremola, Ciro; Azpúrua Auyanet, Barón Marco Aurelio (2011)
    Article
    Restricted access - publisher's policy
    Throughout the performance of a RF immunity test according IEC 61000-4-3 there are several factors that should be taken into account to ensure the quality and to estimate the uncertainty associated to the results. One ...
  • 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 semi-analytical method for the design of coil-systems for homogeneous magnetostatic field generation 

    Azpúrua Auyanet, Barón Marco Aurelio (2012)
    Article
    Restricted access - publisher's policy
    This paper proposes a simple semi-analytical method for designing coil-systems for homogeneous magnetostatic field generation. The homogeneity of the magnetic field and the average magnitude of the magnetic flux density ...
  • 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 ...
  • Comparison of the GUM and Monte Carlo Methods for the uncertainty estimation in electromagnetic compatibility testing 

    Azpúrua Auyanet, Barón Marco Aurelio; Tremola, Ciro; Páez, Eduardo Javier (2011)
    Article
    Restricted access - publisher's policy
    The rigorous uncertainty estimation in Electromagnetic Compatibility (EMC) testing is a complex task that has been addressed through a simplified approach that typically assumes that all the contributions are uncorrelated ...
  • 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. ...
  • Fast and automated verification of multi-channel full time-domain EMI measurement systems 

    Azpúrua Auyanet, Barón Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando; Oliva Sánchez, José Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Open Access
    Recently, 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 electromagnetic interference measurements and applications 

    Azpúrua Auyanet, Barón Marco Aurelio (Universitat Politècnica de Catalunya, 2018-06-28)
    Doctoral thesis
    Open Access
    This thesis presents a technology that has been called the Full Time-Domain Electromagnetic Interference measurement systems and its applications. Full TDEMI measurement systems are an implementation of an FFT-based receiver ...
  • Improving time-domain EMI measurements through digital signal processing 

    Azpúrua Auyanet, Barón Marco Aurelio; Pous Solà, Marc; Cakir, S.; Silva Martínez, Fernando; Cetinta, M. (2015-07)
    Article
    Restricted access - publisher's policy
    This 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 ...
  • Measurement and evaluation techniques to estimate the degradation produced by the radiated transients interference to the GSM system 

    Pous Solà, Marc; Azpúrua Auyanet, Barón Marco Aurelio; Silva Martínez, Fernando (2015-12)
    Article
    Open Access
  • On-board compact system for full time-domain electromagnetic interference measuraments 

    Azpúrua Auyanet, Barón Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Open Access
  • On the statistical properties of the peak detection for time-domain EMI measurements 

    Azpúrua Auyanet, Barón Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando (2015-07-12)
    Article
    Restricted access - publisher's policy
    This paper presents a discussion on the inherent characteristics of the measurements performed with time-domain electromagnetic interference measurement systems in regards of the detection of the maximum emissions levels. ...
  • Radiated transient interferences measurement procedure to evaluate digital communication systems 

    Pous Solà, Marc; Azpúrua Auyanet, Barón Marco Aurelio; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Restricted access - publisher's policy
    In this paper, a measurement procedure to capture properly the electromagnetic fields generated by radiated transient interferences is described. Measuring this type of impulsive noise out of the measurements defined at ...
  • Robust extreme value estimation for full time-domain EMI measurements 

    Azpúrua Auyanet, Barón Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Open Access
    A robust approach for estimating the expected maximum levels of radiofrequency electromagnetic emissions is proposed. The expected maximum peak value is intended to provide a statistical approximation for the worst case ...