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Non-contact Surface Wave Testing While MovingNormal access

Authors: N. Ryden, J.S. Lowe, P. Cawley and C.B. Park
Event name: Near Surface 2007 - 13th EAGE European Meeting of Environmental and Engineering Geophysics
Session: Best of SAGEEP
Publication date: 03 September 2007
DOI: 10.3997/2214-4609.20146545
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.92Mb )
Price: € 20

Summary:
We present experiments with a rolling multichannel microphone array where measurements can be taken continuously while moving. Leaky air-coupled surface waves are measured with ordinary non-directional audio microphones. Results show that microphones can be successfully used to produce a realistic phase velocity spectrum even while moving along the surface. The paper presents some theoretical background along with initial experimental results using the moving microphone array.


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