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Article | REF: C225 V2

Logging and geophysics of boring

Author: Richard LAGABRIELLE

Publication date: May 10, 2007 | Lire en français

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    8. Electromagnetic tomography

    As we saw in [C 224] (§ 7.1.1), electromagnetic methods fall into two main categories, depending on the frequency of the wave. Here, we are dealing with a method where the frequencies used are above 50 MHz. In this case, the dominant phenomenon in the interaction between the wave and the ground is propagation.

    8.1 Scope and conditions of application

    Monofrequency electromagnetic waves (MEW) tomography is mainly used to detect underground cavities at depths...

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