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Title: SOME AIRBORNE APPLICATIONS OF SUBSURFACE RADAR
Accession Number: 00489543
Record Type: Component
Availability: Find a library where document is available Abstract: The results of several helicopter-borne short pulse radar surveys over frozen and thawed freshwater bodies are discussed. The examples given are geologically simple so that effects of the system could be separated from the complications of wave propagation in the ground. As expected best performance was achieved using well isolated and small high-frequency antennas at slow speeds and low altitudes over smooth interfaces defining low loss media. In addition the isolation of the airborne antenna from ground loading permits application of deconvolution filtering based on the known, constant radiated pulse waveform. The major obstacles to deeper earth penetration using high power, low frequency transmitters and antennas are high surface reflectivity and aircraft clutter. Current research is looking at methods to suppress these unwanted effects.
Supplemental Notes: This paper appears in Transportation Research Record No. 1192, Soil Engineering. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved
Monograph Title: Monograph Accession #: 01413981
Authors: Arcone, Steven APagination: p. 111-119
Publication Date: 1988
Serial: ISBN: 0309047706
Features: Figures
(12)
; References
(10)
; Tables
(1)
TRT Terms: Old TRIS Terms: Subject Areas: Geotechnology; Highways; I41: General Soil Surveys
Files: TRIS, TRB
Created Date: Nov 30 1989 12:00AM
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