This paper summarizes simply the history of bolt testing technique, describes in detail stress wave reflection method.
笔者对锚杆检测技术的历史进行了简单的总结，并详细、重点介绍了目前被广泛使用的应力波反射法。
A stress wave reflection imaging (SWRI) method is presented to test and diagnose the complex defects in the concrete structure.
提出了混凝土结构中任意缺陷的应力波反射成像测试与诊断方法。
The results demonstrate the cross correlation filter not only can suppress random noise in GPR signal but also confirm exactly the onset of reflection wave.
结果表明：应用该文所介绍的处理方法不但能有效压制探地雷达信号中的随机干扰而且能精确确定反射波的起跳点。
It is a difficult point to teach the students solving the wave equation on finite interval by the reflection law of the wave.
用波的反射原理求解有限区间上的波动方程是数学物理方程中的基本内容，也是教学中的难点内容。
An experimental setup is established to demonstrate evanescent wave of total internal reflection.
建立了一套演示光全内反射产生的消逝波的实验装置。
In order to decrease the reflection of wave on the boundary, spongy condition was used on top boundary.
为了减少波在边界上的反射，顶部边界采用了海绵边界条件。
By analyzing the reflectivity spectrum and reflection wave spectrum of thin beds, we put forward a new method for thickness determination of the thin beds.
作者通过研究地层厚度变化对地层本身的反射系数谱及反射波频谱的影响规律，寻找到了一种新的计算薄层厚度的方法。
The reflection phase property and surface wave dispersion are analyzed using finite element method.
用有限元方法分析了其反射相位特性及表面波传输特性。
We also find the phase jump of electromagnetic wave of surface reflection when the generalized matching law is satisfied.
在满足广义匹配规律时，表面反射波位相发生突变。
The model has high accuracy and can be used to study wave deformation, refraction, diffraction and reflection in deep water and shallow water.
该模型可用于研究深水和浅水地区波浪的浅水变形、折射、绕射和反射。
However, the use of convolution model is to deduce recursion formula of the reflection for the converted wave.
而利用褶积模型理论解决转换波问题的关键是建立转换波反射系数递推公式。
Meteor trail communication is a kind of burst communication mode, which USES reflection and dispersion of radio wave to the meteor ionization trails.
流星余迹通信利用流星电离余迹对无线电波的反射和散射作用来进行通信，它是一种突发通信方式。
In other words, the wave has gained (or lost) half a wavelength in the process of reflection.
换句话说，在反射过程中光波已获得(或损失)半个波长。
Through the conduction theory based on one dimension stress wave theory, the reflection and transmission phenomena of waves on the surface of the wedge have been analyzed.
通过在一维应力波理论建立的传导理论，分析了波在楔型表面的反射和透射现象。
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。
As a new type breakwater, perforated caisson is taken more attention because its structure can effectively reduce the wave reflection and the wave energy.
开孔沉箱作为新式防波堤，由于其结构能够有效减小波浪的堤前反射及消减波浪的能量而受到越来越多地重视。
For the TE wave or the TM wave, the reflection coefficient will become zero at a certain incident Angle.
不论是TE波还是TM波，当以某一入射角入射时，反射系数都有可能变为零。
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。
The surface wave is treated as interference wave in oil seismic prospecting, however, the Rayleigh wave, like the refraction and reflection waves, contains the information of underground medium.
在石油地震勘探中，面波一般是作为干扰波处理的，然而，瑞利面波也和折射波、反射波一样包含有地下介质的信息。
The wave form of flame standing wave produced by gas using sound field is studied, it is found that flame appears at wave nodes (fixed reflection end), and hardly appears at wave abdomen.
对通过声场使可燃气体产生火焰驻波的波形进行研究，得出火焰驻波在波节处(固定反射端)出现火焰，在波腹处几乎不出现火焰的结论，理论分析与实验观测相符。
The bandgap structure is calculated using periodic method of moment, and the plane wave reflection phase is calculated using FDTD.
利用周期矩量法计算了其带隙特性，利用FDTD法计算了其反射相位。
This paper introduces the theory calculation of shear wave reflection for block corner. And it derives the echo acoustic pressure theory calculation formula for block corner and its shape defect.
阐述了横波在端角反射中的理论方法计算，并推导端角及端角形缺陷的回波声压理论计算公式。
Amazingly enough, a beam of electrons had thus been diffracted in a manner completely analogous to a light wave bouncing off a reflection grating.
一束电子波衍射的方式，同光波从一个反射光栅上弹回的方式完全类似，这真是不可思议。
The transmission of the sky wave is realized by the reflection from ionosphere, especially after reflecting many times, to achieve global communication.
天波的传播是利用电离层的反射来实现的，尤其是多次反射后可以实现全球通信。
Rock mass elastic wave velocity is the synthesized reflection of rock quality, rock mass structure, and rock mass existing environment.
岩体弹性波速度是组成岩体的岩石性质、岩体结构、赋存环境的综合反映。
The reflection wave, transmission wave and critical reflection are considered in the algorithm.
算法中考虑了反射波、透射波和临界反射。
Then the incident wave, pile-toe reflection wave and flaw reflection wave can be judged by the position of singularity.
由信号的奇异点位置很容易确定入射波、缺陷反射波、桩底反射波位置。
Then, the positions of the incident wave, pile-toe reflection wave and flaw reflection wave can be determined by the position of singular point.
然后根据奇异点位置确定入射波、缺陷反射波、桩底反射波位置。
Then, the positions of the incident wave, pile-toe reflection wave and flaw reflection wave can be determined by the position of singular point.
然后根据奇异点位置确定入射波、缺陷反射波、桩底反射波位置。
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