Single-horn reflectometry for in situ dielectric measurements at microwave frequencies

The ability of single-horn reflectometry to determine reflectivity and, hence, calculate dielectric properties using plane-wave interpretation theory, has been investigated experimentally. The horn is part of a portable field unit operating at X-band and was placed above various natural materials. G...

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Bibliographic Details
Published in:IEEE transactions on geoscience and remote sensing 1988-01, Vol.26 (1), p.89-92
Main Authors: Arcone, S.A., Larson, R.W.
Format: Article
Language:English
Subjects:
Apertures
design
dielectric constant
dielectric constants
Dielectric measurements
Frequency measurement
horn antennae
Ice
Microwave frequencies
oceanographic equipment
oceanography
permittivity
Permittivity measurement
Reflectivity
Reflectometry
Reflector antennas
remote sensing
remote sensing equipment
Sea measurements
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Summary:The ability of single-horn reflectometry to determine reflectivity and, hence, calculate dielectric properties using plane-wave interpretation theory, has been investigated experimentally. The horn is part of a portable field unit operating at X-band and was placed above various natural materials. Good results were obtained for water and saline ice, which were flat and lossy, but not for an electrically thick sheet of fresh lake ice, for which reflectivity at the bottom interface was strong.< >
ISSN:0196-2892
1558-0644
DOI:10.1109/36.3004