Digitale Medien
Springer
International journal of infrared and millimeter waves
5 (1984), S. 1179-1188
ISSN:
1572-9559
Schlagwort(e):
millemeter
;
interferometer
;
dielectric measurements
;
liquids
;
precision increase
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Physik
Notizen:
Abstract A Q band interferometer for determining the complex permittivity of materials having dielectric loss factor within 10−3 to 1, has been developed. The technique involves the use of a computer-assisted digital voltmeter for data acquisition and treatment. The method of computing the dielectric parameters from the deduced VSWR and minima displacement is outlined and precision increase with this type of measurement is discussed. Results for polar solutes in non polar and in polar solvants are presented. Measurements on solids within the temperature range 20–400°C are also discussed in conclusion.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1007/BF01010025
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