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Contactless Measurement of Distributed Permittivities in Inhomogeneous Materials

Title data

Peter, Ronny ; Fischerauer, Gerhard:
Contactless Measurement of Distributed Permittivities in Inhomogeneous Materials.
In: Himmel, Jörg ; Erni, Daniel ; Fischerauer, Alice ; Kanoun, Olfa ; Lukjanov, Gennadij ; Seeger, Thomas ; Thelen, Klaus (ed.): Industrial and medical measurement and sensor technology, vehicle sensor technology : IEEE Workshop 2017. - Mülheim a. d. Ruhr : University of Applied Sciences Ruhr West , 2017 . - pp. 72-73 . - (Series of lectures of the University of Applied Sciences Ruhr West ; 6 )
ISBN 978-3-9814801-9-1

Abstract in another language

Determining the complex permittivity of a material sample is one of the standard uses of microwave measurements and several measurement methods were proposed in the last decades. However, no method for the precise measurement of inhomogeneous materials, especially without preparation of the sample, has been proposed before. For several applications, e.g. the monitoring of chemical processes, it would be very desirable to determine position depended permittivities in-situ. [...]
To summarize, it can be noted, that the permittivity distribution in inhomogeneous loaded cavities can precisely be determined by evaluating multiple resonances. The inversion method works fast and well, if one has knowledge of the unloaded resonance parameters and if one can provide a good starting point.

Further data

Item Type: Article in a book
Refereed: No
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology > Chair Measurement and Control Technology - Univ.-Prof. Dr.-Ing. Gerhard Fischerauer
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 03 Dec 2020 11:03
Last Modified: 03 Dec 2020 11:03
URI: https://eref.uni-bayreuth.de/id/eprint/60726