G - Physics – 01 – V
Patent
G - Physics
01
V
G01V 3/12 (2006.01) G01S 13/02 (2006.01) G01S 13/88 (2006.01) G01V 3/18 (2006.01) G01V 3/30 (2006.01)
Patent
CA 2065251
ABSTRACT Disclosed is an underground radar tomography and an appa- ratus therefor, in which an electromagnetic wave is radiated into the ground, the amplitude and propagation time of a transmitted wave, a reflected wave or a diffracted wave of the electromagnet- ic wave are measured at a number of points, and signal processing is performed on the result of measurement to thereby obtain the distribution of strata and soil in the ground as section informa- tion with a high accuracy. By use of two pseudo random signals which are slightly different in period but the same in code pat- tern, measurement time which is expanded relative to propagation time is obtained to thereby make the measurement accuracy high.
Komine Isamu
Nagamune Akio
Tezuka Koichi
Komine Isamu
Macrae & Co.
Nagamune Akio
Nkk Corporation
Tezuka Koichi
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