Broadband Measurement of Complex Permittivity Using Reflection Method and Coaxial Probes

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dc.contributor.authorZajicek, Radim
dc.contributor.authorOppl, Ladislav
dc.contributor.authorVrba, Jan
dc.coverage.issue1cs
dc.coverage.volume17cs
dc.date.accessioned2016-03-18T10:36:06Z
dc.date.available2016-03-18T10:36:06Z
dc.date.issued2008-04cs
dc.description.abstractThis paper describes and evaluates a method for determining complex permittivity, and presents results of permittivity measurement of some substances. Complex permittivity of a phantom of biological muscle tissue, of some industrial chemicals and dielectrics is found. A non-destructive and non-invasive method based on reflection coefficient measurement of an open-ended coaxial line attaching the material under test is used. Two coaxial probes are under investigation. Vector measurement of the reflection coefficient on the interface between probes and measured samples is performed with the aid of network analyzer in the frequency range from 300 kHz to 3 GHz. Numerical modeling (FDTD) is compared with measurement. The results indicate that using the coaxial probe with dimensions of N connector the method is suitable in the frequency range approximately from 30 MHz to 1 GHz and using the probe with dimensions of SMA connector in range approximately from 30 MHz to 3 GHz.en
dc.formattextcs
dc.format.extent14-19cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2008, vol. 17, č. 1, s. 14-19. ISSN 1210-2512cs
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/57173
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2008/08_01_14_19.pdfcs
dc.rightsCreative Commons Attribution 3.0 Unported Licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectComplex permittivity measurementen
dc.subjectvector reflection coefficient measurementen
dc.subjectcoaxial probesen
dc.titleBroadband Measurement of Complex Permittivity Using Reflection Method and Coaxial Probesen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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