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| A DISCUSSION ON THE DISPERSION CURVE UNIQUENCESS IN MULTI-CHANNEL TRANSIENT SURFACE WAVE EXPLORATION |
| XIA Xue-li1, QIU Heng-yong1, SUN Xiu-rong2, WANG Zhi-hua3, WANG Shu-zeng3 |
1. No.1 Hydrogeological Party, Anhui Bureau of Geology and Mineral Resources, Bangbu 233000, China;
2. Shanghai Shenfeng Corporation of New Geological Technology 201106, China;
3. Shanghai Institute of Geological Survey, Shanghai 200072, China |
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Abstract The drawing of the dispersion curve in the frequency-wave number domain often yields different results. This paper studied this problem in multi-channel transient surface wave exploration, carried out the contrast experiment by using three different seismic sources, and produced different dispersion curves, which have different unique depth ranges. It is thus held that the dispersion curve uniqueness makes up the basis of the correct geological interpretation.
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Received: 30 January 2007
Published: 24 April 2008
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