Base-case model for measurement uncertainty in a reverberation chamber including frequency stirring

Gifuni, Angelo, Bastianelli, Luca, Moglie, Franco, Mariani Primiani, Valter and Gradoni, Gabriele (2017) Base-case model for measurement uncertainty in a reverberation chamber including frequency stirring. IEEE Transactions on Electromagnetic Compatibility . ISSN 0018-9375

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We address the uncertainty of reverberation chamber (RC) measurements in presence of both mechanical and frequency stirring (FS). A base-case model is derived for reverberation fields affected by the measurement uncertainty due to the lack of a perfect statistical uniformity of fields in a RC. It is found that the measurement uncertainty associated with the FS depends on both the total uncorrelated samples and the local insertion loss (IL). The local IL depends on the frequency stirring bandwidth (FSB). The model allows us for obtaining separate measurement uncertainty contributions. Measurements support the achieved uncertainty model. In particular, results show that the dependence on the IL is normally rather weak also when very wide FSBs are used.

Item Type: Article
Additional Information: c)2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
Keywords: Frequency stirring (FS); Measurement uncertainty; Mechanical stirring (MS); Reverberation chamber (RC); Uncertainty quantification
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
University of Nottingham, UK > Faculty of Science > School of Mathematical Sciences
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Depositing User: Gradoni, Gabriele
Date Deposited: 27 Nov 2017 14:42
Last Modified: 04 May 2020 19:17

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