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Volume 22 Issue 2
Apr.  2011
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Effective Dispersion Curve and Pseudo Multimode Dispersion Curves for Rayleigh Wave

  • Received Date: 2017-03-21
  • The hi-energy bands in the dispersion image are usually interpreted as the true dispersion phase velocities. However, the multiple dispersion modes of Rayleigh wave in layered media stack in space, producing the effective dispersion curve and the pseudo multimode dispersion curves in dispersion image. The effective dispersion curve has the maximum energy with lower phase velocities than pseudo dispersion phase velocities, and thus is often misunderstood as the fundamental mode. Within the tolerable misfit, the effective dispersion curve can approach the true fundamental mode...
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通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Effective Dispersion Curve and Pseudo Multimode Dispersion Curves for Rayleigh Wave

  • 1. School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China
  • 2. The Key Laboratory of Geo-space Environment and Geodesy, Ministry of Education, Wuhan 430079, Chin

Abstract: The hi-energy bands in the dispersion image are usually interpreted as the true dispersion phase velocities. However, the multiple dispersion modes of Rayleigh wave in layered media stack in space, producing the effective dispersion curve and the pseudo multimode dispersion curves in dispersion image. The effective dispersion curve has the maximum energy with lower phase velocities than pseudo dispersion phase velocities, and thus is often misunderstood as the fundamental mode. Within the tolerable misfit, the effective dispersion curve can approach the true fundamental mode...

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