Volume 45 Issue 5
Oct.  2017
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WANG Yi. Method and application of reflected in-seam wave enveloped superpositionimaging in coal mine[J]. COAL GEOLOGY & EXPLORATION, 2017, 45(5): 152-154,160. DOI: 10.3969/j.issn.1001-1986.2017.05.026
Citation: WANG Yi. Method and application of reflected in-seam wave enveloped superpositionimaging in coal mine[J]. COAL GEOLOGY & EXPLORATION, 2017, 45(5): 152-154,160. DOI: 10.3969/j.issn.1001-1986.2017.05.026
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Method and application of reflected in-seam wave enveloped superpositionimaging in coal mine

  • Yangquan Coal Industry(Group) Co. Ltd., Yangquan 045000, China

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  • Received Date: December 05, 2016
  • Published Date: October 24, 2017
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    • Abstract
  • When in-seam wave encounters discontinuous section, such as fault, it will generate reflection and be received by geophone placed in the same tunnel with shot point, which can be used to detect the geological anomaly in the side of tunnel. In normal case, reflected in-seam wave has the disadvantage of weak energy and low signal-to-noise ratio. To raise the signal-to-noise ratio of reflected channel wave, this paper apply the enveloped superposition imaging method on the detection of reflected in-seam wave. Besides, the data of 3D numerical simulation and mining verified case also proves the effectiveness of reflected in-seam wave envelop superposition imaging.
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    • References (14)
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