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In this paper, the measurement frequency band was extended from 1.0 to 2.0 GHz in the method of measuring the dielectric properties in liquids based on comparison with reference materials. For that purpose, the interpolation formula was expanded to 11 points based on a combination of the method previously proposed by the author. In this case, a comparative expression to the reference material was...
In this study, the mode-matching technique (eigenmode expansion) was applied to formulate an analytical model for a split cylindrical cavity resonator with a thick ceramic film layer sandwiched between alumina substrates. Next, resonant frequencies with the TE011 mode were computed with an eigenvalue problem approach using the model formula. The Q value of the resonator was also calculated by applying...
This study involved examination of measurement accuracy differences associated with the introduction of an approximate expression (based on an equivalent circuit and comparison with a reference material) to the previously proposed cut-off waveguide reflection method by the authors. The insertion of various types of liquids with a plurality of frequencies was assumed. Specifically, dielectric properties...
In this study, the complex permittivity of a liquid phantom material was measured using the open-ended coaxial line reflection method. The effectiveness of the proposed approach for measuring a liquid phantom with high permittivity and high loss was also confirmed by comparing the measurement results with those obtained using the TM.010 circular cavity resonator method and the open-ended cut-off circular...
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