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dc.contributor.authorHasar U.C.
dc.contributor.authorKaya Y.
dc.date.accessioned20.04.201910:49:12
dc.date.accessioned2019-04-20T21:43:16Z
dc.date.available20.04.201910:49:12
dc.date.available2019-04-20T21:43:16Z
dc.date.issued2017
dc.identifier.issn0924-4247
dc.identifier.urihttps://dx.doi.org/10.1016/j.sna.2017.07.018
dc.identifier.urihttps://hdl.handle.net/20.500.12403/480
dc.description.abstractCalibration-independent nonresonant measurements can be employed to eliminate the need for calibration before microwave measurements. These methods generally assume that the location of the sample in its measurement cell is known after the sample is positioned or shifted within the cell and that the length of the measurement cell is known. In addition, in general these methods necessitate some sort of numerical analysis to retrieve the complex permittivity of the sample. In this research paper, we propose a calibration-independent nonresonant waveguide method to first eliminate measurement errors arising from inaccurate knowledge of the location of the sample within its cell (after shifting) and arising from improper knowledge of the length of the measurement cell and second to determine the complex permittivity explicitly. In addition, our proposed method needs scattering parameter measurements from three different measurement configurations – another improvement with respect to a similar calibration-independent method requiring measurements from four different configurations. Furthermore, it does not necessitate that the sample be flushed to the measurement cell. We analyzed repeatability of cell connection and investigated uncertainty in the measurement of complex permittivity for a change in length of the sample and the cell and when air gap present between sample surfaces and guide walls. We validated the proposed method by measuring the complex permittivity of polyethylene sample and distilled water at X-band (8.2–12.4 GHz). © 2017 Elsevier B.V.en_US
dc.language.isoengen_US
dc.publisherElsevier B.V.
dc.relation.isversionof10.1016/j.sna.2017.07.018
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCalibration-independent
dc.subjectComplex permittivity
dc.subjectExplicit determination
dc.subjectSample shifting
dc.subjectWaveguide measurements
dc.subjectCalibration
dc.subjectCells
dc.subjectCytology
dc.subjectNumerical methods
dc.subjectPermittivity
dc.subjectWaveguides
dc.subjectComplex permittivity
dc.subjectDistilled water
dc.subjectExplicit determination
dc.subjectMeasurement cell
dc.subjectMeasurement configuration
dc.subjectMeasurement of complex permittivity
dc.subjectScattering parameter measurement
dc.subjectWaveguide measurements
dc.subjectUncertainty analysis
dc.subjectCalibration-independent
dc.subjectComplex permittivity
dc.subjectExplicit determination
dc.subjectSample shifting
dc.subjectWaveguide measurements
dc.subjectCalibration
dc.subjectCells
dc.subjectCytology
dc.subjectNumerical methods
dc.subjectPermittivity
dc.subjectWaveguides
dc.subjectComplex permittivity
dc.subjectDistilled water
dc.subjectExplicit determination
dc.subjectMeasurement cell
dc.subjectMeasurement configuration
dc.subjectMeasurement of complex permittivity
dc.subjectScattering parameter measurement
dc.subjectWaveguide measurements
dc.subjectUncertainty analysis
dc.titleNoniterative complex permittivity retrieval using calibration-independent waveguide measurementsen_US
dc.typearticleen_US
dc.relation.journalSensors and Actuators, A: Physicalen_US
dc.contributor.departmentBayburt Universityen_US
dc.contributor.authorID55885911000
dc.contributor.authorID57198066553
dc.identifier.volume263
dc.identifier.startpage654
dc.identifier.endpage666
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US


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