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有限差分正演计算
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  “有限差分正演计算”译为未确定词的双语例句
     Forward finite differential calculation for 3-D transient electromagnetic field.
     3D瞬变电磁场的有限差分正演计算
短句来源
     A new limited difference forward method on 3-D geo-electrical medium with underground embedding point current source.
     三维地下埋藏点电流源有限差分正演计算
短句来源
  相似匹配句对
     Forward finite differential calculation for 3-D transient electromagnetic field.
     3D瞬变电磁场的有限差分正演计算
短句来源
     Using the finite difference method we calculate the distribution of the electromagnetic field.
     利用有限差分法实现了其正演计算,获得了电磁场的分布.
短句来源
     A new limited difference forward method on 3-D geo-electrical medium with underground embedding point current source.
     三维地下埋藏点电流源有限差分正演计算
短句来源
     FINITE DIFFERENCE CALCULATION OF SEISMIC TRAVEL TIMES
     地震波走时的有限差分计算
短句来源
     FINITE DIFFERENCE CALCULATION OF SDIEMIC FIRST-ARRIVAL TRAVELTIME
     地震初至波走时的有限差分计算
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  finite difference modelling
Elastic finite difference modelling of lower crustal reflections
      
A higher order finite difference modelling algorithm based upon acoustic wave equation was used with a grid spacing of 5m.
      
Finite difference modelling code at Veritas GeoServices was used to create synthetic P-P and P-S data sets.
      
Synthetic shot gathers from simple geological models were computed using the ProMAX finite difference modelling module.
      


Forward modeling, which simulates the signals reflected from seabed, is an effective approach in underwater geo acoustic detection research. This paper presents a wave equation based, finite difference modeling algorithm, which is concerned with a typical geo acoustic modeling of shallow water, and analyses, in detail, the pattern followed by variation of reflection with the coefficient of sediment such as upper velocity, thickness, speed gradient, density gradient and the nature of source. Additionally,...

Forward modeling, which simulates the signals reflected from seabed, is an effective approach in underwater geo acoustic detection research. This paper presents a wave equation based, finite difference modeling algorithm, which is concerned with a typical geo acoustic modeling of shallow water, and analyses, in detail, the pattern followed by variation of reflection with the coefficient of sediment such as upper velocity, thickness, speed gradient, density gradient and the nature of source. Additionally, more attention has been paid to a practical modeling waterway and we obtained the law of the dependence of reflected wave on the thickness and density gradient of the floating mud in waterway, and relationship between the thickness of floating mud and the feature spectrum of reflection. All this will be the bases of the following research concerning with determining the navigable depth of a waterway.

本文给出了一种典型浅海地声模型下,波动方程有限差分正演的计算方法,并详细分析了沉积层的顶层速度、厚度、速度梯度、密度梯度,以及震源特性等参数变化时反射波受其影响的一般规律:而且对于航道底部的浮泥层作了重点研究,从而得到了浮泥层的容重变化率及其厚度对反射波的影响规律,以及浮泥厚度与反射波特征谱之间的关系。这对于解决长江口航道的安全行船深度这一实际问题是很有意义的。

 
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