Author : Nicholas J. Lavecchia
Publisher :
Page : 88 pages
File Size : 17,47 MB
Release : 1967
Category : Infrared radiation
ISBN :
[PDF] Terrain Analysis By Electromagnetic Means eBook
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Terrain Analysis by Electromagnetic Means
Author : Jerry R. Lundien
Publisher :
Page : 242 pages
File Size : 25,8 MB
Release : 1971
Category : Dielectric measurements
ISBN :
Terrain Analysis by Electromagnetic Means
Author : Billy Ray Davis
Publisher :
Page : pages
File Size : 46,22 MB
Release : 1965
Category : Trafficability
ISBN :
Terrain Analysis by Electromagnetic Means
Author : Waterways Experiment Station (U.S.)
Publisher :
Page : pages
File Size : 38,69 MB
Release : 1965
Category : Electromagnetic measurements
ISBN :
Terrain Analysis by Electromagnetic Means
Author : Jerry R. Lundien
Publisher :
Page : 122 pages
File Size : 37,6 MB
Release : 1966
Category : Radar
ISBN :
Laboratory tests were conducted with radar sensors to detect the presence of and measure the depth to subsurface interfaces when the surface was bare, and to determine the influence of vegetation at various stages of growth on radar responses. A secondary purpose was to continue earlier studies to relate radar returns and the electrical constants that they provided to moisture content and density of samples. Large laboratory samples were prepared at various moisture contents and densities and with various depths to a subsurface metal plate. Standard pulsed radar sensors operating with frequencies of 297, 5870, 9375, and 34,543 megacycles/sec and directed at various angles of incidence to the surface were employed. The results of this laboratory study indicate that the standard pulsed radar sensors can provide information that will permit an estimate of the moisture content of deep, homogeneous soil samples and the detection of surface vegetation of various heights. Radar signatures of vegetation-covered soil were more significantly altered at Ka-, X-, and C-band frequencies than at P-band frequencies. However, standard pulsed radar sensors used monochromatically cannot provide information for predicting depth to subsurface interfaces or for directly indicating the presence of a subsurface interface.
Terrain Analysis by Electromagnetic Means
Author : Waterways Experiment Station (U.S.)
Publisher :
Page : pages
File Size : 17,86 MB
Release : 1967
Category : Electromagnetic measurements
ISBN :
Report of Conference of the Board of Consultants on Remote Terrain Analysis by Electromagnetic Means
Author :
Publisher :
Page : 58 pages
File Size : 45,77 MB
Release : 1966
Category : Ground penetrating radar
ISBN :
Terrain Analysis by Electromagnetic Means
Author : Jerry R. Lundien
Publisher :
Page : 55 pages
File Size : 48,53 MB
Release : 1966
Category : Radar
ISBN :
Terrain Analysis by Electromagnetic Means
Author : Billy R. Davis
Publisher :
Page : 165 pages
File Size : 23,72 MB
Release : 1965
Category : Infrared radiation
ISBN :
Terrain Analysis by Electromagnetic Means
Author : Jerry R. Lundien
Publisher :
Page : 0 pages
File Size : 21,41 MB
Release : 1967
Category : Computer programs
ISBN :