Long-wave length multiple-frequency radar is used for imaging and determining depth of subsurface stratified layers. Very-low frequency radar signals pinpoint below-ground strata via direct imagery techniques. Variation of frequency and scanning angle adjusts image depth and width.
Subsurface "radar" camera
NASA Tech Briefs ; 2 , 1
1977-06-01
Miscellaneous
No indication
English
Online Contents | 1995
|High-Resolution Subsurface-Interface Radar
NTRS | 1983
|A characterization of subsurface radar targets
Tema Archive | 1979
|Radar detection of subsurface features on Mars
Online Contents | 2004
|Radar Detection of Subsurface Features on Mars
British Library Conference Proceedings | 2004
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