Three-component VSP data of P-wave source are applied to fracture detection.
本文利用P波源三分量vsp资料进行裂缝检测。
There were two kinds of R-P-period and P-wave or atrial fusion wave in anterior AVRT.
顺向型房室折返性心动过速时，出现两种不同的R-P-间期和P-波或房性融合波。
Theoretically multi-wave exploration is certainly superior to pure P-wave exploration.
理论上，多波勘探肯定优于单纯的纵波勘探。
The traveltime-distance curve of reflected P-wave in VTI media is not hyperbolic anymore.
VTI介质中反射P波时距曲线一般不再是双曲线。
The methods for separating out P-wave or S-wave in VSP data include kinematic method and dynamic method.
VSP地震记录的纵、横渡分离方法可分为运动学和动力学两类。
The propagation of P-wave in one-dimensional rock masses is analyzed according to plane to plane contact model.
采用面-面接触模型模拟了纵波在一维岩体中的传播，给出了纵波波形；
And the velocity of slow compressional-wave (P-wave) is in direct proportion to the porosity and the density of fluid.
而慢纵波的速度则和孔隙度和流体的密度成正比。
The basic field data are P-wave velocity values collected along a seismic profile conducted in the Bozhong Depression.
我们收集了渤中凹陷一条剖面的纵波速度资料。
The relationship between P-wave maximum duration and P-wave dispersion with echocardiographic parameters were analyzed.
分析P波最大时限和P波离散度与超声参数之间的相关关系。
Therefore the maximum of the radial energy during the P-wave arrive appears in the direction of the first singular vector.
证明了资料矩阵的总能量可用奇异值的平方和来表达，以及P波到达的径向能量最大值在第一奇异向量方向出现。
The amplitude density of P-wave was difference in every stage of diabetic retinopathy but there was no significance in statistics.
波振幅密度在糖尿病视网膜病变各分期间也有差异，但无统计学意义。
By data processing, P-wave seismic section, PS-wave seismic section can be attained and also the layer attribute can be extracted.
通过资料处理，可以得到井口附近的一段高分辨率的P波地震剖面、PS波地震剖面，也可以提取地层属性参数。
Using coordinate rotation based on P-wave particle vibration, aligning the source components at different depths have been achieved.
采用P波粒子振动的坐标旋转，可使不同深度的震源分量对齐。
The migration program VSP MIG that was developed using P-wave equation may be used to mig- rate both surface seismic data and VSP data.
用P 波方程编制的偏移程序VSPMIG 既可用于地面资料的偏移，也可用于井中资料的偏移；
The problem of P-wave scattering from a movable rigid cylindrical inclusion partially debonded along the interface is solved in this paper.
本文求解了弹性P波对界面部分脱胶的可动刚性圆柱夹杂物的散射问题。
Under certain conditions, the time-distance curve of reflected P-wave in anisotropic media has similar feature compared with isotropic case.
条件下，各向异性P波反射时距具有各向同性P波反射时距近似的曲线特征。
Using the data of natural earthquakes, we have studied the characteristics of P-wave travel time in Qinghai-Xizang plateau and its vicinity.
本文利用天然地震资料，研究了青藏高原及其邻区的P波走时特征。
Since P-Wave can not be suppressed in dipole shear wave log in slow formation, there are some difficulties in picking the first S-Wave arrival.
在慢速地层中偶极横波测井不能很好地压制纵波，致使横波首波的检测存在一定的难度。
The results show that the method can skip over the P-Wave and exactly pick the first S-Wave arrival in dipole shear wave log in slow formation.
实际资料处理结果表明，该方法可以跳过慢速地层中偶极横波测井的纵波而检测横波初至。
This paper utilizes some calculated results to analyze and discuss the effects of rock anisotropy of P-wave coefficient and time-depth conversion.
文章用计算结果分析了岩层的各向异性对P-波反射系数和时-深转换的影响。
According to the properties of wave propagation in multiphase medium, the theoretical formulas for calculating the P-wave and S-wave velocity are deduced.
本文基于多相复合介质的波动传播特性，导出介质内纵、横波速的理论计算公式。
The intrinsic frequency of P-wave increases because of existence of apparatus and its amplitude has been influenced by velocity ratio of P-wave vs S-wave.
纵波的固有频率因仪器的存在而增大，纵波幅度还受地层的纵、横波速度比的影响。
When stress wave is used to inverse joints attitude, the key problem is judge the initial arriving moment of reflected P-wave from the tested vibration signal.
节理产状应力波反演时，关键问题在根据测试振动信号判断出节理面反射纵波初至时刻。
Not only the oil and gas layer, but also the lateral distribution of it can be detected by synthetically analyzing P-wave section, PS-wave section and the layer distribution.
联合应用P波剖面、PS波剖面和地层属性参数可以直接检测油气层和油气层的的横向分布范围。
The paper recommended two methods for velocity analysis in VTI medium: non-hyperbolic P-wave velocity analysis and template method, which achieved practical and stable effects.
文中推荐VTI介质P波非双曲线速度分析及量板法两种方法，得到了较为实用、稳定的结果。
The analysis also shows that the continuity of P-wave event on common receiver gather is superior to that on common shot gather for seismic data acquired by shooting in shot hole.
分析结果表明，对于井中激发的地震资料而言，共检波点道集上纵波同相轴的连续性优于共炮点道集上纵波同相轴的连续性。
There are two approximate reflection coefficients applied generally, and their differences are compared in order to attain the linear formula of azimuthal AVO inversion of P-wave.
首先，从理论上讨论了各向异性介质中的反射和透射系数方程，给出了裂缝介质的线性近似反射系数公式；
To fill in gaps left by conventional seismic instruments, some researchers have proposed exploiting sensors inside laptop computers to allow them to serve as distributed P-wave sensors.
为了填补常规地震仪留下的空白，一些研究人员建议开发膝上型计算机里面的传感器，把它们用作分布式P-波传感器。
P-wave displacement is a polar vector, and its direction remains unchanged when we move it from right hand coordinate system to left hand coordinate system(or in the opposite way).
纵波位移是极向量，在坐标系由右手坐标系变成左手坐标系（或相反）时，不改变位移方向；
P-wave displacement is a polar vector, and its direction remains unchanged when we move it from right hand coordinate system to left hand coordinate system(or in the opposite way).
纵波位移是极向量，在坐标系由右手坐标系变成左手坐标系（或相反）时，不改变位移方向；
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