The finite difference methods based on acoustic or elastic wave equation are very useful tools for wave-field numerical modeling or VSP data synthesizing.
基于声波或弹性波方程的有限差分方法是数值模拟地震波场或合成VSP地震记录的有力工具。
The simulation shows that the record's quality is improved when using wave-field replacement technology.
理论试算结果表明，采用波场替换技术后最终正演记录质量比替换前有了很大改善。
You discovered first hand while meditating there, the area exuded a translucent wave field, similar to the mirage you see when observing heat rising from tarmac roads in the height of summer.
你在那里冥想时直接发现了这个情况，此地散发出一个半透明的波场（或者能量场），有点类似你盛夏时在柏油路上看到的因地面升温而产生的幻象。
Claiming that being in the ocean is different than playing on a field or a court because every wave, every beach is different.
在海洋里冲浪和在田径场或者网球场完全不一样，因为每一个海浪，每一个海滩都是不一样的。
In this way, corresponding to every single viscoelastic random medium model, we can calculate and gained 6 different wave field characteristic quantities.
这样，对应每一个粘弹性随机介质模型，我们均可计算得到6个不同的波场特征量。
Finally the initial research works of scattered wave field characteristics based on numerical simulation by authors were introduced.
并介绍了作者关于地震散射波场特征数值模拟研究的初步成果。
Snapshot of wave field trial result says that this kind of absorptive boundary condition brings good absorption effect except its simplicity and easy achievement.
波场快照试算结果表明，这种吸收边界条件吸收效果很好，而且形式简单，易于实现。
It can make up the shortage that only the periodic dots or lines can be made when using laser standing wave field to control the atoms to stack on wafer in atom lithography.
弥补了原子光刻技术中利用激光驻波场控制原子堆积只能制作单一量子点、线等周期性图形的不足。
The result shows that P PEM is a simple, clear and practical original wave field model, which can be widely used in coastal works, such as the selection of harbour sites.
事实证明：P-PEM是一种简洁、实用的原始波场计算模型，适用于海岸工程方案规划比选等诸多领域。
Walkaway VSP forward modeling is an effective tool for theoretical study and wave field identification.
变偏移距VS P正演模型是理论研究、波场识别的得力工具。
Numerical simulation is an important means of recognizing the character of wave field of earthquake.
数值模拟是了解地震波场特征的重要手段。
The intensity of traveling wave field averaged in a time period demonstrates that the characteristics of doubly localized traveling wave can be well described by the averaged wave field.
最后对一个时间周期上行进波场进行平均后说明，场的平均值可以很好的表征双局部行进波特性。
This algorithm USES ray tracing to calculate traveltime, and DE - rives reflection amplitude from wave field interface equation.
该算法使用射线追踪计算传播时间，应用波场界面方程计算反射振幅。
Here we present a new VSP wave field separation method using two-trace recursive filtering.
本文提出一种用二道递归滤波分离vsp波场的新方法。
The results obviously demonstrate wave diffraction in harbor on condition of boundary reflection. Distribution of wave field in harbor is relatively appropriate.
结果比较清楚地反映出在考虑边界反射条件下波浪绕射情况，港内波浪场的分布比较合理。
Combing the wave field snapshot with the corresponding velocity section proves to be important in the observing of wave propagation.
将波场快照与速度剖面相结合，可以更好地观测到波的传播过程。
Finally, the computation of wave reflection and diffraction in the Dalian Harbor indicates that the present method can be widely used for computing the wave field in harbors.
对大连港区内的波浪折射绕射进行了计算，表明本方法可以应用于实际港口的波浪场计算中。
Affected by higher Rayleigh wave modes in the surface wave field, the effective phase velocity obtained by spectral analysis of surface waves SASW.
由分层介质表面两不同点响应互谱分析(SASW)得到的有效相速度并不对应于面波基阶模态相速度，它与波场中高阶模态能量分配比例有关。
This paper includes two parts which are numerical simulation of wave field and analysis of wave elements.
本文包括波浪场的数值模拟和波浪要素的统计分析两部分。
The wind field has been calculated by the simulation of the pressure field of typhoons, and then the wave field in the region of typhoons has been obtained by use of the tracing method.
通过对台风气压场的模拟得到计算风场，在此基础上采用跟踪计算方法取得台风域内的波浪分布。
Model experiments show that it is possible for us to identify lithology and hydrocarbon conditions in abnormal area in terms of wave field characters and images in different media.
模型试验表明，根据波在不同介质中的传播规律，使我们有可能利用波场图像来区分异常区的岩性和含油气特性。
High density spatial sampling enhances wave field continuity and the accuracy of various mathematical transforms, which benefits wave field separation.
高密度采集使波场连续性增强，使得各种数学变换的精度提高，有利于不同波场的分离。
Clear wave field snapshots are obtained through the modeling in homogeneous ti media. The wave field characters accord with theoretical analysis.
均匀ti介质中的模拟获得了非常清晰的波场快照，其波场特征与理论分析能够准确吻合。
A given seismic wave field can be described using different kinds of seismic wavelets.
对于一个确定的地震波场，可用不同类型的子波来描述。
The inverse calculation for the phase of optical wave field of Fresnel diffraction is a significant but difficult work.
衍射光场的相位逆运算是有意义并且困难的工作。
In order not to damage these buildings, the method for determining, in Dagan area, the horizontal vibration wave field of an explosive source is recommended.
为了不影响这些建筑设施的安全，本文介绍了大港地区炸药震源水平径向振动影响场的测定方法。
Computations reveal the extremely complicated spectral structures of the wave field near a hurricane center.
计算显示出台风中心附近浪场的极端复杂的谱结构。
Extrapolating wave field is most important in the whole process.
在整个计算过程中，波场外推是最为重要的环节。
According to the characteristic of the wave field data, a simple algorithm is used to calculate the normal vector at the nodes.
文中针对表示波浪面的数据集的特性，采用了一种简单的节点法矢量算法。
According to the characteristic of the wave field data, a simple algorithm is used to calculate the normal vector at the nodes.
文中针对表示波浪面的数据集的特性，采用了一种简单的节点法矢量算法。
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