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241024s2018 xx |||||o 00| ||eng c |
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|a 10.1109/tap.2018.2860126
|2 doi
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|a pubmed24n1581.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Becker, Maria G
|e verfasserin
|4 aut
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| 245 |
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|a Correlation-Based Uncertainty in Loaded Reverberation Chambers
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 26.10.2024
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a When reverberation chambers are loaded to increase the coherence bandwidth for modulated-signal measurements, a secondary effect is decreased spatial uniformity. We show that an appropriate choice of stirring sequence, consisting of a combination of mode-stirring mechanisms such as paddle and antenna-platform stirring, can mitigate the potential for increased uncertainty. We develop a new mode-stirring sample correlation model for uncertainty due to the stirring sequence. In a comparison with an empirical uncertainty analysis, the model is found to have an agreement within 2.5%. Our analysis is demonstrated for four loading cases in each of three reverberation chambers. The model is used to determine an optimal stirring sequence for a given chamber setup directly from correlations associated with each stirring mechanism. The model can also be understood in terms of the entropy of a measurement and it is shown that maximizing the entropy corresponds to a minimized uncertainty. The method presented here not only provides insight into sources of uncertainty but also allows users to determine an optimal mode-stirring sequence with minimized uncertainty for a given chamber setup
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|a Journal Article
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|a Correlation
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|a electromagnetic measurements
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| 650 |
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|a entropy
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| 650 |
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|a measurement correlation
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| 650 |
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|a measurement efficiency
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| 650 |
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|a measurement uncertainty
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| 650 |
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|a reverberation chamber
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| 650 |
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|a wireless system
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| 700 |
1 |
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|a Frey, Michael
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Streett, Sarah
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Remley, Kate A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Horansky, Robert D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Senic, Damir
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on electromagnetic compatibility
|d 1998
|g 66(2018), 10 vom: 13. Okt.
|w (DE-627)NLM098149849
|x 0018-9375
|7 nnns
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| 773 |
1 |
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|g volume:66
|g year:2018
|g number:10
|g day:13
|g month:10
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| 856 |
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|u http://dx.doi.org/10.1109/tap.2018.2860126
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