journal article·1992-01

A System for Rapid Measurements of RF and Microwave Properties Up to 1400°C. Part1: Theoritical Development of the Cavity Frequency-Shift Data Analysis Equations

R. Hutcheon, M. de Jong, F. Adams

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Abstract

A System has been developed, based on the cavity frequency ft technique, for doing rapid measurements of the scalar ‘nativity and permeability of samples. The basic cavity frequency shift equation is reviewed, and the practical, formulae which are used for determining the values of £ and in the cavity frequency and Q shift, are developed.
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Research context

OpenAlex topics: Microwave and Dielectric Measurement Techniques · Acoustic Wave Resonator Technologies

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References (6)

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1. Adams, F.P., de Jong, M.S., and Hutcheon, R.M. 1992. Sample shape correction factors for cavity perturbation measurements. J. of Microwave Power and Electromagnetic Energy (accepted for publication).10.1080/08327823.1992.11688181 ↗
2. Bethe, H.A. and Schwinger, J. 1943. Perturbation theory of resonant cavities. NDRC Report DI-117, Radiation Laboratory, Massachusetts Institute of Technology.
3. de Jong, M.S., Adams, F.P., and Hutcheon, R.M. 1992. Computation of RF fields for applicator design. Journal of Microwave Power and Electromagnetic Energy (accepted for publication).10.1080/08327823.1992.11688182 ↗
4. Spencer, E.G., Le Craw, R.C., and Reggia, F. 1965. Measurement of microwave dielectric constants and tensor pelineabilities of ferrite spheres. Proc. IRE, 790.
5. Straton, J.A. 1941. Electromagnetic Theory. McGraw-Hill Book Company, New York.
6. Von Aulock, W. and Rowen, J.H. 1957. Measurement of dielectric and magnetic properties of Ferromagnetic materials at microwave frequencies. The Bell System Tech. J.10.1002/j.1538-7305.1957.tb02405.x ↗