Among the geotechnical in situ tests,the dynamic penetration test (DPT) is commonly used around the world.However,DPT re......

As is well-known,it is very difficult to solve wave equations in curved space-time.In this paper,we find that wave equat......

We present high order accurate numerical methods for the wave equation that combines efficient Hermite methods with geom......

In conventional marine seismic exploration data processing, the sea surface is usually treated as a horizontal free boun......

对弱导非均匀折射率分布光纤的严格理论分析表明,显然在纵向场分量的标量波动方程中能够保留▽δ梯度项,但同时在横向场分量的方程......

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为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Tight oil/gas medium is a special porous medium,which plays a significant role in oil and gas exploration.This paper is ......

In the paper,we try to study the mechanism of the existence of Gaussian waves in high degree logarithmic nonlinear wave ......

An adaptive multi-scale conjugate gradient method for distributed parameter estimations (or inverse problems) of wave eq......

研究了一类半线性变系数波方程的渐近理论，证明了渐近理论及形式近似解的合理性都在时间变量无穷大（即≤ｔ≤０｜８｜＾－１成立，并给出了一应用。......

运用集群式并行机结构的软硬件特点,进行波动方程三维叠前深度偏移,已成为加速其庞大计算的有效工具.而集群式并行机节点之间的负......

本文主要研究了具有边界干扰的波方程的稳定性问题.使用的方法类似ADRC,首先通过构造高增益观测器估计干扰,然后通过反馈渠道抑制......

波动方程三维叠前深度偏移研究，已成为近年国内外众多油气勘探科研单位的研究焦点，其关键问题之一是借助于软硬件及其匹配的进步，以求......

对超声光栅的形成机理作了理论分析，指出一维运动的超声波进入液体经金属反射板反射形成驻波，使液体的密度折射率和相位等物理性质产......