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快纵波的相速度随频率的增大以指数形式减小。And the phase velocity of fast wave will decrease exponentially with frequency.

在震中区，纵波使地面上下颠动。In Zhenzhong Qu, longitudinal wave to the ground moving from top to bottom Britain.

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通过振幅和保留相位的倾角滤波可以将反射的纵波和横波提取出来。P and S-wave reflections can be extracted via amplitude and phase-preserving dip-filtering.

利用纵波和横波的衰减确定裂缝位置的一种声波测井方法。An acoustic log that uses the attenuation of compressional and shear waves to locate fractures.

滑行集散波由于激发泥浆纵波而受到的损耗，要由纵波声束给以补充。The energy loss of the gliding irrotational wave pair is made up by the longitudinal wave beam.

本文以纵波的单程波方程为基础，给出了转换波的单程波方程。Based on P-wave one-way wave-equation, the paper gave P-SV converted wave one-way wave-equation.

换句话说，充填流体溶洞既能形成强的纵波，又能形成强的横波。In other words, where the cavity filler is liquid, it has intense reflection of S-wave and P-wave.

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推导出其中纵波和横波的色散关系，发现在能隙里有杂质能级的出现。It is shown that the impurity effect leads to the formation of a new impurity mode in the energy gap.

阵列声波测井资料处理的关键是准确提取纵波、横波和斯通利波慢度。The key to array sonic logging processing is accurately calculated the slowness of P&S wave and ST wave.

讨论在分层介质波导中采用纵波的问题。This paper discuses the problem of application of the longitudinal waves to layered dielectric waveguides.

通过对超声纵波声速的测量来评定船用TA2钛合金的平均晶粒尺寸。Ultrasonic velocity measurements have been used to estimate average grain size in TA2 ship titanium alloy.

将两个纵波探头平行放置在同一平面，利用润滑脂耦合。Two probes for P-wave are parallelly coupled in a distance on the same plane of the rock block with grease.

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对具有较大平面的岩块，可以利用纵波探头测定横波速度。However, the velocity of S-wave in a rock block with a large plane can be measured with the probes for P-wave.

最后根据速度分析结果建立速度模型，进行深度域偏移成像，得到纵波和转换波的成像剖面。Finally, depth migration imaging is conducted according to the velocity analysis results and 1D velocity model.

这样一来就导致了相对于同一地面点来说，横波静校正量往往远大于纵波静校正量。Because of this way to the same ground point, the S-wave static correction is often much greater than the P-wave.

试验结果表明，以上因素都不会对超声波纵波检测产生很大影响。The test results indicate that the above factors do not have much effect on ultrasonic longitudinal wave testing.

地震所引起的地面振动是一种复杂的运动，它是由纵波和横波共同作用的结果。Caused by the earthquake ground vibration is a complex exercise, it is by the P-wave and S-wave interaction results.

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纵波不能在固体表面存在，在固体表面存在的是相应的滑行集散波。The longitudinal wave cannot exist near the surface of a solid, and those exist near it are gliding irrotational waves.

在数值模拟中可以看到随观测方位和入射角变化的纵波振幅和旅行时的差异。We can see the P wave amplitude and traveltime difference with the azimuth and incidence angle in numerical simulation.

在仅考虑纵波传播的情况下，寻出了撞击力-压入位移关系。The relationships between dynamic contact force and indentation are derived in the case of longitudinal wave propagation.