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- Seismic wave field and seismic exploration II. 地震波场与地震勘探2。
- The total wave field simulation is realized by this method for the wave pattern conversion and the wave form change in the propagation of the seismic wave. 实现了在微机上用有限差分法对地震波在传播过程中的波型转换及波形变化的全波场模拟。
- The normalized full gradient and phase of gravity anomalies have been studied by potential field conversion and fast Fourier transform in wave-number domain. 用波数域的位场转换和快速傅立叶变换理论研究重力归一化总梯度和归一化相位;
- The effect of time-varied wave field on the diffraction tomography was analyzed. 初步分析了时变入射波场对衍射层析成像的影响。
- The numerical modeling result shows the intuitive wave field characteristics of Rayleigh wave in interstice media. 数值模拟结果非常直观地揭示了瑞雷面波在裂缝介质中的波场传播特征。
- In this way, corresponding to every single transversely isotropic elastic random medium model, we can calculate and gained 15 different wave field characteristic quantities. 这样，对应每一个横各向同性弹性随机介质模型，均可计算得到15个不同的波场特徵量。
- In this paper,the unilateral frictional interface under the assumption of Coulomb friction in anti plane wave field has been investigat ed in detail. 在Coulomb摩擦假定下 ,详细地讨论了反平面波场中单侧摩擦界面问题 ;
- The Green function on two phase saturated medium by concentrated force is given and the wave field is discussed according to a Biot equation. 通过对两相饱和介质 Biot 方程的变换，利用 Poisson 方程和 Helm holtz 方程性质，求解得到两相饱和介质在集中力点源作用下的位移场 Green 函数
- At first, qualitative experiments were carried out for the case where a breakwater is the sole factor affecting the wave field. 首先在水槽里进行仅有一个单一的离岸堤的试验。
- Hence,a method for noisy VSP wave field separation using iterative recursion filtering is presented, which introduces new convolution operator. 本文在此基础上提出一种VSP多道迭代递归滤波分离波场的方法.;给出新的褶积算子;对噪声不加限制。
- And it has been used to separate the wave field of Ricker.Its results are basically accurate and computation is more efficient. 利用二维连续小波反变换，以合成的Ricker子波为模拟信号为例进行波场分离，提高了运算效率，实验结果基本上比较准确，还需要实际地震信号的进一步验证。
- Field Conversion (Straight to Angle pattern valve) 现场转换(直线型转换为角型阀门)
- The relations among macroscopic variables of wind wave fields are intrinsic. 风浪场宏观特征量间存在固有关系。
- CCD sensor is used to record holograms in digital holography. It substitutes numerical reconstruction for optical method to reconstruct object wave field by computer. 它用电荷耦合器件CCD代替普通全息记录材料来记录全息图,用计算机数字处理和显示技术取代光学衍射来完成物体的重现,实现了全息图的记录、存储和重现过程的数字化。
- The synchronistical measurement for marine pipeline lifting force and surrounding current field in wave field was carried out by introducing a PIV system method. 在波浪场中，利用PIV装置进行水平输油管线升力及其周围流场的同步测量。
- Relationships between the wave energies, the distances of the measuring stations to the breakwater, and the directionality of the wave field were obtained. 并藉著比对堤前和堤后波场能量而得到堤体距离和波浪方向性的关系式。
- Although the wave field based pre-stack depth migration is the most reliable method for complex structure imaging,it has a high computation cost and a poor adaptation to geometry. 基于波场延拓的叠前深度偏移是实现复杂构造地质体成像的可靠方法,但存在着计算量大、对观测系统适应性差等缺点。
- Wave equation-based prestack depth migration technique can accurately describe the wave field in complex media conditions and perform high resolution imaging. 基于波动方程的叠前深度偏移方法能在复杂介质条件下精确描述波场,且能高精度成像。
- Based on high order generalized screen propagator, we used the method of "wave field downward continuation" to realize prestack depth migration from irregular topography. 基于高阶广义屏算子，应用直接下延法，实现了起伏地表条件下的高阶广义屏算子深度偏移。
- In this paper,the properties of the wave field of a contionous material system from vibration are studied,considering thetion of the classical wave equation and its quantization. 本文研究连续媒质体系振动波场的性质;由经典波动方程的解过渡到量子化场;推导出了以产生和消天算符表示的量子化场哈密顿量;再进一步讨论其物理意义.
