Improving time-domain EMI measurements through digital signal processing

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 settings of the direct measurement equipment and the deployment of algori...

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Bibliographic Details
Published in:IEEE electromagnetic compatibility magazine 2015-01, Vol.4 (2), p.82-91
Main Authors: Azpurua, M. A., Pous, M., Cakir, S., Cetinta, M., Silva, F.
Format: Article
Language:English
Subjects:
Digital signal processing
Electromagnetic compatibility
Electromagnetic interference
Electromagnetic measurements
Frequency measurement
Oscilloscopes
Time measurement
Time-domain analysis
Transient analysis
Transmission line measurements
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Summary: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 settings of the direct measurement equipment and the deployment of algorithms to process the measurement result. In that sense, we believe that general purpose time-domain instruments, as oscilloscopes, can be successfully used as an alternative hardware to measure EMI, since they provide accurate and reliable results, surpassing the conventional frequency-domain approach when transient disturbances are present.
ISSN:2162-2264
2162-2272
DOI:10.1109/MEMC.2015.7204056