Title :
Accurate microwave resonant method for complex permittivity measurements of liquids [biological]
Author :
Yu, Kapilevich B. ; Ogourtsov, S.G. ; Belenky, V.G. ; Maslenikov, A.B. ; Omar, Abbas S.
Author_Institution :
Dept. of Appl. Electromagn., Siberia State Univ. of Telecommun. & Inf., Novosibirsk, Russia
fDate :
11/1/2000 12:00:00 AM
Abstract :
A method available for accurate measurements of lossy liquids is presented, tested on standard materials, and compared with the perturbation technique commonly adopted in cavity measurements. The method is based on numerically solving a complex characteristic equation. Realization of the method was done using an E010 cylindrical cavity. Results show that measurement errors may be decreased with application of the method presented. The method excludes uncertainties in complex permittivity determination when material has losses and high permittivity.
Keywords :
biomedical measurement; liquids; measurement errors; microwave measurement; permittivity measurement; resonance; E010 cylindrical cavity; accurate microwave resonant method; cavity measurements; complex characteristic equation; complex permittivity determination uncertainties; complex permittivity measurements; lossy liquids; perturbation technique; standard materials; Biological materials; Equations; Liquids; Loss measurement; Materials testing; Measurement standards; Microwave theory and techniques; Permittivity measurement; Perturbation methods; Resonance;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
