Title :
Dielectric permittivity estimation via TDR measurements
Author :
Nakano, M. Satoru ; Savi, P.
Author_Institution :
Dipt. di Elettron., Politec. di Torino, Torino, Italy
Abstract :
In this paper the determination of the permittivity of liquid or homogeneous dielectrics from their time-domain response is addressed. The analysis is based on a simplified model of the TDR measurement setup, where the probe is described by an ideal transmission line with a Debye permittivity. A simple formula to evaluate the permittivity is introduced, and compared with other well-known methods for the permittivity determination based on the calculation of the travel time of the TDR signal along the probe.
Keywords :
dielectric liquids; permittivity measurement; time-domain reflectometry; Debye permittivity; TDR measurement; dielectric permittivity estimation; homogeneous dielectrics; liquid dielectrics; time-domain response; transmission line; Coaxial cables; Dielectric liquids; Dielectric measurements; Permittivity measurement; Power cables; Probes; Reflection; Soil; Time domain analysis; Transmission line measurements;
Conference_Titel :
Electromagnetics in Advanced Applications, 2009. ICEAA '09. International Conference on
Conference_Location :
Torino
Print_ISBN :
978-1-4244-3385-8
Electronic_ISBN :
978-1-4244-3386-5
DOI :
10.1109/ICEAA.2009.5297327