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Statistical electromagnetics: Complex cavities

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Author: Naus, H.W.L.
Institution: TNO Defensie en Veiligheid
Source:IEEE Transactions on Electromagnetic Compatibility, 2, 50, 316-324
Identifier: 240770
doi: doi:10.1109/TEMC.2008.918982
Keywords: Complex cavities · Electromagnetic fields · Maximum entropy · Random coupling model · Reverberation chambers · Statistics · Electromagnetic coupling · Entropy · Mathematical models · Reverberation · Statistical methods · Complex cavities · Maximum entropy · Random coupling model · Statistical electromagnetics · Electromagnetic fields


A selection of the literature on the statistical description of electromagnetic fields and complex cavities is concisely reviewed. Some essential concepts, for example, the application of the central limit theorem and the maximum entropy principle, are scrutinized. Implicit assumptions, biased choices of variables and constraints, and some mathematical flaws are identified and possibly corrected. The commonly accepted probability distribution for the electromagnetic field has, therefore, to be considered as a hypothesis, which has not been contradicted by experiments. The alternative promising random coupling model is discussed as well. Ideas on future research are presented.