Title :
Direct solution for dielectric properties of a lossy two-layered material
Author :
Parchomchuk, Peter ; Wallender, Wesley W. ; King, Ray J.
Author_Institution :
Dept. of Land, Air & Water Resources, California Univ., Davis, CA, USA
fDate :
5/1/1989 12:00:00 AM
Abstract :
A technique for calculating the dielectric constants of both layers, the loss tangent, and the upper-layer thickness of a lossy two-layered stratified dielectric material is presented. The method requires measurement of the complex voltage reflection coefficient over the frequency range between a maximum and adjacent minimum of the cyclic frequency response. A noniterative solution for dielectric properties is given in terms of a function of the reflection coefficient at the air-media interface. The application of this procedure to measure the moisture content of stratified soils is discussed
Keywords :
electromagnetic wave reflection; geophysical techniques; hydrological techniques; moisture measurement; remote sensing; soil; terrestrial electricity; 1.00 to 1.25 GHz; Earth surface reflectometry; UHF; air-media interface; complex voltage reflection coefficient; cyclic frequency response; dielectric constants; dielectric properties; frequency response maximum-minimum frequency range; hydrology; loss tangent; lossy two-layered material; moisture content; noniterative solution; reflection coefficient; remote sensing; stratified dielectric material; stratified soils; upper-layer thickness; Dielectric constant; Dielectric losses; Dielectric materials; Dielectric measurements; Frequency measurement; Frequency response; Moisture measurement; Reflection; Soil measurements; Voltage;
Journal_Title :
Geoscience and Remote Sensing, IEEE Transactions on
