<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Even in the field of electromagnetic compatibility, low measurement uncertainty means high measurement quality. Although there are standardized procedures for obtaining the uncertainty of such a measurement, which facilitate uncertainty estimation, modern approaches show further reduction possibilities. The paper presents an alternative approach to reducing measurement instrument uncertainty in the case of electromagnetic interference measurement based on many years of our experience and a large number of measurements in this field. In the paper, two different methods of uncertainty reduction are described. The first method is based on a detailed analysis of the sources of uncertainty and the subsequent division of the analyzed frequency band into more subranges. Another method uses the choice of the antenna factor, which also contains information about the test site where the measurement is carried out. In this way, despite a lengthy analysis, it is relatively easy to achieve a measurement instrument uncertainty that is below the maximum measurement uncertainty given by the CISPR standard.</p>
</abstract>

Even in the field of electromagnetic compatibility, low measurement uncertainty means high measurement quality. Although there are standardized procedures for obtaining the uncertainty of such a measurement, which facilitate uncertainty estimation, modern approaches show further reduction possibilities. The paper presents an alternative approach to reducing measurement instrument uncertainty in the case of electromagnetic interference measurement based on many years of our experience and a large number of measurements in this field. In the paper, two different methods of uncertainty reduction are described. The first method is based on a detailed analysis of the sources of uncertainty and the subsequent division of the analyzed frequency band into more subranges. Another method uses the choice of the antenna factor, which also contains information about the test site where the measurement is carried out. In this way, despite a lengthy analysis, it is relatively easy to achieve a measurement instrument uncertainty that is below the maximum measurement uncertainty given by the CISPR standard.

Alternative Approach Leading to Reduction in Measurement Instrument Uncertainty of EMI Measurement

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Even in the field of electromagnetic compatibility, low measurement uncertainty means high measurement quality. Although there are standardized procedures for...

Alternative Approach Leading to Reduction in Measurement Instrument Uncertainty of EMI Measurement

Published Online: May 03, 2023

Page range: 64 - 71

Received: Oct 24, 2022

Accepted: Mar 06, 2023

DOI: https://doi.org/10.2478/msr-2023-0008

Keywords
EMI measurement, measurement instrument uncertainty, electromagnetic compatibility, hybrid antenna, reduction of uncertainty

© 2023 Mikulas Bittera et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Alternative Approach Leading to Reduction in Measurement Instrument Uncertainty of EMI Measurement

Published Online: May 03, 2023

Page range: 64 - 71

Received: Oct 24, 2022

Accepted: Mar 06, 2023

DOI: https://doi.org/10.2478/msr-2023-0008

KeywordsEMI measurement, measurement instrument uncertainty, electromagnetic compatibility, hybrid antenna, reduction of uncertainty

© 2023 Mikulas Bittera et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
EMI measurement, measurement instrument uncertainty, electromagnetic compatibility, hybrid antenna, reduction of uncertainty