UNDERGROUND ELECTROMAGNETIC EXPLORATION METHOD
An underground electromagnetic exploration method that uses an induced current generating transmitter 2 that cyclically generates an induced current includes repeating magnetic field observation at a plurality of measurement points on the earth's surface, the magnetic field observation includin...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | An underground electromagnetic exploration method that uses an induced current generating transmitter 2 that cyclically generates an induced current includes repeating magnetic field observation at a plurality of measurement points on the earth's surface, the magnetic field observation including an observation step that observes a magnetic field based on a smoke ring using a magnetic field sensor device 1 that includes a sensor section including a magneto-impedance device having a magnetic amorphous structure and a rod-shaped core section that guides a magnetic field to the magnetic amorphous structure and is disposed in a longitudinal direction with respect to the magnetic amorphous structure, and a storage step that stores magnetic field observational data including a magnetic field signal based on an output from the induced current generating transmitter 2, and calculating an underground specific resistivity distribution based on the observational data corresponding to each of the plurality of measurement points. |
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