The leading research foreland mainly focuses on pre-stack depth domain and elastic wave.
目前的研究前沿主要集中在叠前深度域和弹性波。
As the depth of burst increases the amount of energy going into the air blast wave decreases.
随着爆炸深度的增加，转化为空中爆震波的能量便减少。
Wave equation prestack depth migration technique is an effective method of seismic data imaginating in complicated surfaces.
波动方程叠前深度偏移技术是复杂地表地震资料成像的有效方法。
Echo Sounder is a kind of acoustic measuring depth equipment, which can measure depth with the time between transmitted wave and echo on condition in which the speed of ultrasonic is fixed.
回声测深仪是用来测量水深的一种声学测量设备，其以水中超声波的传播速度为确定条件，利用发射波与反射回波时间差来测量水深。
As the most physical of the shot-profile wave equation pre-stack depth migration involving huge extrapolation calculation, the calculation is extremely time-consuming and less efficient.
作为最具物理性的共炮点道集的波动方程叠前深度偏移，涉及庞大的波场外推计算量，计算极其耗时，效率较低。
A method is presented, which makes it possible to calculate velocity and interface depth of the reflected wave in a vertically inhomogeneous medium.
本文提出了一种利用反射波走时曲线计算垂向非均匀介质速度和反射界面深度的方法。
As the depth of burst increases, the amount of energy going into the air blast wave decreases.
随著爆炸深度的增加，转化为空中爆震波的能量便减少。
Therefore, the wave equation pre-stack depth migration, a method starting directly from the rolling surface, is discussed.
为此，探讨了直接从起伏地表开始的波动方程叠前深度偏移方法。
Prestack depth migration is an optimal imaging method for PSV wave.
叠前深度偏移是转换波最佳成像方法。
For the abundant of noise in testing oil well depth with sound wave, it is difficult to locate the reflected sound wave.
在用声波测试油井油液面深时，反射声波受到大量杂波干扰，给接箍波和液面波的定位带来了极大的困难。
Since the one way wave equation modeling scheme can be considered as the inverse depth migration, we can use the current depth migration schemes and its codes.
单程波算法可视为深度偏移的“逆运算”，这样可以很好地借用已知的深度偏移方法及其程序系统。
Through controlling the vibration amplitude and direct current component of the driving wave for the varifocal mirror, we can obtain the different depth range.
通过控制变焦镜驱动波的振幅和直流成份，可获得不同的深度范围。
The research discovers that compression wave quality factor of the sands in desert surface increases as the buried depth and the compression wave velocity's increase.
研究表明：沙漠地区表层沙纵波品质因子随埋深、纵波速度的增加而增大。
It does not require irrotational conditions and the limitation of the ratio of wave length to water depth.
它没有无旋条件，没有波高对水深比值的限制。
According to the synthetic records, the condition of Rayleigh surface wave excitation is investigated, and the influence of the depth of epicenter on the energy of surface wave is discussed also.
结合模拟记录，探讨了瑞雷面波的形成条件，同时讨论了震源埋深对面波能量的影响。
Furthermore, the deposition rate increases per unit of welding current by decreasing wire diameter, and adjustment of the penetration depth is enabled by alternating current wave form and polarity.
减少焊丝直径，能提高熔敷效率，再加上使电流波形交流化，就可以调整熔深。
The quantitative measure is feasible on experiment research. It is easy to figure out flaw depth based on formula derived from the principle of thermal wave.
对缺陷进行定量化检测研究过程中，基于热波原理推导出的公式，易于实现缺陷深度的测量。
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。
The modification principle of tooth surface is deduced, and it draws the conclusion that the modificative tooth depth of wave producer, end face gear and oscillating teeth have certain relation.
研究了活齿端面谐波齿轮各啮合副齿面修形的原则，得出了波发生器、活齿前后端和端面齿轮齿面的修形高度之间必须满足的关系。
The paper constructed a time depth conversion model of plane wave propagation in two layer medium.
本文构造了一种在二层介质中平面波传播的时—深转换模型。
The result showed that the illuminated weighting imaging results by wave equation prestack depth migration from relief surface very coincide with the structural configuration of model.
结果表明：起伏地表波动方程叠前深度偏移照明加权成像结果与理论模型构造形态非常吻合。
Bound infragravity waves are forced by wave-wave nonlinear interaction of two wind waves, depended only on the swell energy and water depth.
强迫次重力波的形成机制为海浪的波-波非线性相互作用，它仅依赖于海浪和水深的大小。
In fact, one can believe that the low resolution and high resolution sound wave curves are the signals or function which scope changes with the stratum depth and time.
低分辨率和高分辨率声波曲线实际上可以理解为幅度随地层深度或时间变化的信号或函数。
The coastal erosion feature and morphological evolution at the Feiyantan coast are studied in the light of the topography and section depth, and the corresponding dynamics of wave and current.
根据地形和断面水深监测资料，阐述了该岸段流路废弃后的岸滩侵蚀特征和地貌变化。
This paper, from the Angle or mathematics, makes analysis and discussion on the feasibility of acoustic wave detection of crack depth in concrete, and provides practical engineering examples.
本文仅就声波探查砼裂缝深度的可行性从数学角度进行了分析与论证，并给出了工程实例。
Submarine depth and rolling control near the water surface is a kind of nonlinearity control problem. The change of submarine mass, speed and ocean wave make it difficult to design of control system.
潜艇近水面运动情况下的深度及纵倾控制问题是一种非线性控制问题，潜艇自身质量及航速的变化、以及外界不规则海浪使得控制系统难于设计。
Engineering practice shows that the seismic wave ct has notable effect on the failure depth detection of floor, and it has dynamic characteristic and better applicability.
开采探测实践表明，震波CT技术对底板破坏规律探测具有连续的动态效应，其适用性强，应用效果显著。
Based on plane wave decomposition, We propose a wave-equation depth migration method for pre-stack seismic data.
提出了一套基于平面波分解的波动方程叠前地震数据深度偏移方法。
The embed depth and wave-stream elements of steel pipe piles are two main factors determining the bearing conditions of steel boxed cofferdam.
钢管桩嵌固深度和波流要素是决定钢套箱受力状况的两个主要因素。
The embed depth and wave-stream elements of steel pipe piles are two main factors determining the bearing conditions of steel boxed cofferdam.
钢管桩嵌固深度和波流要素是决定钢套箱受力状况的两个主要因素。
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