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Uncertainties in the determination of dielectric properties in the infinite sample method

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2 Author(s)
Delecki, Z.A. ; Dept. of Electr. Eng., Ottawa Univ., Ont., Canada ; Stuchly, S.S.

In the infinite-sample method, the sample permittivity is found from the measured input reflection coefficient. The reflection coefficient domain of a traveling-wave system is transformed into the complex permittivity domain by two subsequent mappings which include the inverse bilinear and Schwarz-Christoffel transformations. The error bounds in permittivity measurements are derived. The dielectric properties and respective uncertainties are presented for a water sample in the form of the Cole-Cole diagram. The case presented represents the first step leading to a more general presentation of uncertainties in dielectric measurements

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Instrumentation and Measurement, IEEE Transactions on  (Volume:38 ,  Issue: 4 )