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lateral velocity中文什么意思

发音:   用"lateral velocity"造句
  • 横向流速
  • 横向速度
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例句与用法

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  1. The mean lateral velocity v needs much longer streamwise journey to reach its self - similar state
    平均速度v发展到自相似状态的过程要缓慢得多。
  2. The high order generalized screen propagator not only improves the calculation precision of conventional generalized screen propagator , and facilitates the suitability of generalized screen propagator to the media with strong lateral velocity variation
    高阶广义屏传播算子不仅可提高常规广义屏传播算子的计算精度,而且还能改善广义屏传播算子对速度强横向变化介质的适应性。
  3. The frontal structure of longmenshan in the west of sichuan is very complex , showing intense structure deformation in overthrust belt , high structure amplitude , steep stratigraphic dip , developed fault blocks , complex seismic wave field , frequent change of lateral velocity , and poor image of post - stack time migration processing
    摘要川西龙门山前缘构造非常复杂,逆掩推覆构造带构造形变强烈,构造幅度大,地层倾角陡,断块发育,地震波场复杂,速度横向变化大,常规叠后时间偏移处理成像效果较差。
  4. The differences between this method and other similar methods are : ( 1 ) the fast synthetic source record algorithm based on the wave theory is adopted in prestack depth migration . ( 2 ) the plane wave source is used in migration that is consistent with the velocity analysis method . ( 3 ) by using the controlled illumination , the distortion of the plane wave source wavefield due to the lateral velocity variation is avoided therefore the error of velocity analysis is reduced and ( 4 ) the practical velocity spectrum makes the interactive migration velocity analysis feasible and convenient
    与其他类似偏移速度分析方法的不同点在于: ( 1 )叠前深度偏移采用基于波动理论的快速合成震源记录算法; ( 2 )偏移方法采用平面波震源,与速度分析方法一致; ( 3 )应用控制照明技术,避免了因横向变速而导致的平面波震源波场在传播过程中的畸变,从而减小了速度分析的误差; ( 4 )实用的速度谱设计,使交互偏移速度分析可行且易于操作。
  5. Author , starts from the one - way wave equation of wavefield extrapolation , research the relationship and transform condition of wavefield extrapolation operators , and propose the steady variational reference slowness rytov approximation general screen wavefield extrapolation operator ( vrselrf ) which can adapt severe lateral velocity variations , in frequency - wavenumber domain , and the improved wavefield extrapolation scheme , also give the method to improve the computation efficiency . the achievement establishes the theoretic basis of the whole research
    首先,从波场延拓的单程波方程出发,系统地研究了频率波数域的波场延拓算子之间的相互关系和转换条件并在此基础上提出了能适应剧烈横向变速的频率波数域稳定的变参考慢度rytov近似广义屏波场延拓算子( vrselrf )和部分波场延拓改进方案及提高运算效率的措施,为整个研究打下理论基础。

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