The calculated results are confirmed by experiments . either the constant strain - rate experiment or the application the elastic wave inversion method can be comprehensively applied to the dynamic experimental investigation 无论恒应变率试验方法，还是弹性波反演理论的应用，都能够广泛的应用于今后动态试验中。
Poisson ' s ratios calculated from v ( subscript p ) / v ( subscript s ) can provide much tighter constraints on the crustal composition than either the compressional or the shear velocity alone 摘要由弹性波纵横波速比计算得到的泊松比，在利用地震波反演地下结构和物质组成时，可以提供比单纯地利用纵波或者横波波速更强的约束。
The effectivity of the approximation of rayleigh wave in semi - infinite media to the plane mode in the stator transducer of saw motor with finite thickness ( much bigger than the wavelength of the saw ) is evaluated first time by us 首次探讨了用瑞利波近似表面弹性波马达定子换能器(厚度远大于表面弹性波波长)平板振动模式的有效性。
The techniques introduced include the imaging of surface - opening cracks , the three dimensional scan of surface - opening cracks , and the imaging of internal defects using time domain or frequency domain signals 本文介绍数种利用弹性波建构混凝土缺陷影像的技术，包括表面裂缝影像法、表面裂缝三维扫描法，以及时间域和频率域的内部缺陷影像法。
This fact has an important implication for extension to 3d configurations . comparing the synthetic seismogram by using cartesian grids with the synthetic seismogram by using the curved grid , it can prove the approach is effective 通过声波模型和弹性波模型在直网格下的合成记录与在曲网格下的合成记录的比较验证了方法的有效性与精确性。
Three possible contact driving mechanisms of saw motor are discussed , and the frictional drive of saw motor is shown by the linear relation between the speed of the slider and the driving voltage 探讨了表面弹性波马达三种可能的接触传动机理，并以表面弹性波马达动子速度与驱动电压呈线性的关系，首次证实了表面弹性波马达的工作原理是接触摩擦传动。
Surface acoustic wave ( saw ) motor is a novel micro actuator , which generates saw with the electroacoustic transducer and transfers it to the power of saw motor by the frictional force between the slider and the stator 表面弹性波马达是一种以电声换能器产生表面弹性波，并通过马达动子和定子的接触摩擦将表面弹性波振动转换为马达动力的新型执行器。
The effects of different geometric interfaces on waves propagation in anisotropic rocks were simulated . three structures , including the corner structure , the straight structure and the multi - stripe structure , were discussed 模拟了位于各向同性岩石中的爆炸点源产生的弹性波在具有规则几何界面的岩石(角结构、平直界面结构以及多条纹结构)中的传播。
It is a new tool to detect and observe the structure and status of underground media by accurately measuring its transfer function through sinusoidal elastic wave accurately controlled in frequency and stable in phase 它是使用一种精密控制频率和相位稳定的弹性波，对发射和接收两点间的传递函数进行精密测定从而监视和观测地下构造和状态的一种新型手段。
The model has been designed under the law of gravitational similitude and the elasticity wave . the writer participates in the execution . fixing and debugging of he model and the experimenting 结合青海地盘子水电站模型试验，利用重力相似和弹性波理论设计了模型，参加了整个模型的制作、安装、调试和试验过程，进行了22个工况的模型试验，撰写了试验报告。
