Variability and Confidence Intervals of the Power Measured in a Reverberation Chamber

Florian Monsef 1 Andrea Cozza 1
1 DRE - Département de Recherche en Electromagnétisme ; EMG - Département Electromagnétisme - L2S
L2S - Laboratoire des signaux et systèmes : 1289, SUPELEC-Campus Gif
Abstract : The relative variance (or variability) of the average power measured in a reverberation chamber is derived. It is found to be a function of the average number of modes overlapping in the average modal bandwidth found at the working frequency. The model can predict the average-power variance from under- to over-moded regimes. Good agreement with experimental and simulation data is obtained. Confidence intervals of the estimate of the average-power variability are computed for different chamber regimes and a varying number of independent stirrer positions.
Keywords : Power Variability
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Journal articles
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Florian Monsef, Andrea Cozza. Variability and Confidence Intervals of the Power Measured in a Reverberation Chamber. IEEE Transactions on Electromagnetic Compatibility, Institute of Electrical and Electronics Engineers, 2014, 56 (5), pp.1238-1241. ⟨10.1109/TEMC.2014.2305845⟩. ⟨hal-01066485⟩

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