UNDERGROUND SURVEY METHOD, UNDERGROUND SURVEY DEVICE, AND UNDERGROUND SURVEY PROGRAM, AND DISPLAY METHOD OF UNDERGROUND SURVEY DATA

摘要

PROBLEM TO BE SOLVED: To objectively analyze data obtained by measurement by an underground radar so as to perform the explore of underground states and the detection of underground installations.;SOLUTION: An underground survey method sends an electromagnetic wave to the underground at each of a plurality of measurement points in a range of a survey object and obtains data of a reflected wave signal for each round trip time for each measurement point by consecutively receiving the reflected wave of the electromagnetic wave (S1), generates the aggregate of the data of reflection wave signal intensity of the plurality of measurement points for each round trip time using the data of an aggregate of the reflection wave signal intensity for each round trip time for each measurement point (S2-1), is configured to be divided into a group of basic tone reflection wave signal intensity value and the group of the other reflection wave signal intensity value using the aggregate of the data of the reflection wave signal intensity for each round trip time (S2-4), and determines the state of the underground at each measurement point based on the result of the divisions into these groups.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2018,JPO&INPIT