• 1. Fast shear-wave: 快剪切波
• 2. polarization direction of fast shear-wave: 快s波偏振方向
• 3. fast shear wave: 快横波

更多释义

• 1.The main parameters of shear-wave splitting are respectively polarization of fast shear-wave, and time delay of slow shear-wave.
  快剪切波偏振方向与慢剪切波时间延迟是描述地震各向异性的两个主要参数。
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• 2.Fast shear wave is obviously different from slow shear wave in amplitude and frequency characteristics.
  同时快横渡与慢横波在振幅和频率特征上也具有明显差异。
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• 3.Then the azimuth of formation fractures is estimated; and with the joint use of zero offset P wave source VSP data, fast and slow shear wave seismograms are obtained to have fracture density.
  在获得地下裂隙方位角的同时，结合零偏纵波VSP资料得到快、慢S波记录，进而计算了裂隙密度。
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