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Statistical evaluation and comparison of radiated emission standards

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Author: Naus, H.W.L. · Zwamborn, A.P.M.
Type:article
Date:2012
Source:IET Science, Measurement and Technology, 1-9
Identifier: 465407
doi: doi:10.1049/iet-smt.2011.0228
Keywords: Electromagnetic Compatibility EMC · Standards · Electromagnetic radiation · Comparison · Radiated Emissions · Stochastic description · Statistical Method · Defence Research · Defence, Safety and Security · Physics & Electronics · ED - Electronic Defence · TS - Technical Sciences

Abstract

To evaluate a system or platform on its electromagnetic compatibility generally involves the application of several EMC standards. In order to compare applicable standards, one needs a common denominator as a basis. In this study, EMC norms for electromagnetic radiation are assessed statistically. A framework describing stochastic electromagnetic fields is applied and at the hand of the examples of military (MIL) and international electrotechnical commission (IEC) standards further developed for this purpose. The formalism not only evaluates such requirements but also enables the comparison of different standards in a probabilistic way. First illustrative results are presented. Frequency bands are identified for which IEC complying equipment exceeds the MIL standard with high probability.