Through application of seismic exploration in 3-D geological survey in Shanghai,it was confirmed practi- cable to apply SH wave reflection to tracking shallow strata,and P-wave reflection method to tracking changes in bedrock and deep strata.
通过上海市三维城市地质调查中时地震勘探的应用,证实采用 SH 波反射法追踪浅部地层,采用纵波反射法追踪基岩变化及深部地层是切实可行的,提出三维城市地质数据库的建设采用地震剖面来对钻孔进行衔接, 可以提高数据库地质模型的可靠性。
Simulation of longitudinal wave based on frequency modulated waveform and oscillograph synchronization principle;
用调频正弦波形和示波器同步原理模拟纵波
A small angle incidence longitudinal wave for sensitive evaluation of fatigue cracks;
超声小角度纵波灵敏检测疲劳小裂纹
The wave-form of longitudinal wave and the motion state of the medium;
纵波的波形与媒质的运动状态
P-wave velocity analysis in anisotropy medium.;
各向异性介质纵波速度分析
Transmission of elastic P-wave across one fracture with improved nonlinear normal deformation behaviors
纵波在改进的弹性非线性法向变形行为单节理处的传播特性研究
In view of the monopole waveforms provided by Baker Atlas Cross-Multipole Array Acoustilog(XMACⅡ), extracting and high resolution processing methods of P-wave slowness-time are developed based on a thorough survey and study of wave division extraction methods of array acoustilog.
在充分调研阵列声波测井分波提取方法的基础上,针对阿特拉斯公司的交叉多极子阵列声波测井(XMACⅡ)提供的单极波形信息,研究纵波时差提取及高分辨率处理方法。
Meanwhile, the variations of Lame constant and shear modulus with depth are studied for the first time, and a relationship between P wave and S wave velocity is determined.
在水饱和与气饱和两种状态下拉梅常数的相对变化量大于纵波速度的相对变化量 ,这表明拉梅常数可作为预测含油气性的有效参
In order to solve the problems encountered in P wave exploration in YGH Basin,multi wave seismic exploration has been performed on four structures of the basin.
为了解决YGH盆地纵波勘探中遇到的难题 ,在该盆地 4个构造上开展了多波地震勘探工作。
A method using proven technology of P wave acquisition and processing to invert reservoir characteristic parameters was proposed in the paper.
主要研究以成熟的纵波信息采集和处理技术为基础的反演裂隙型储层特征参数的方法。
Measurement of Applied Stress in Aluminum Alloy by Longitudinal Waves
超声纵波法测试铝合金内部的载荷应力
longitudinal cut analysis method of ship wave
纵剖面船行波分析法
P waves move faster than S waves.
纵波波速大于横波。
The Research on Fractured Reservoir Prediction Using P-wave Seismic Methods;
裂缝型储层预测的纵波地震方法技术研究
Research on the Separation of P-and S-wave for Multi-component Crosswell Seismic Data;
基于多分量的井间地震纵横波分离方法研究
This paper introduces two methods of ultrasonic characterization of thin layers: longitudinal pulse-echo and Lamb waves.
介绍了两种常用的材料薄层超声表征方法?纵波脉冲回波法和兰姆波法。
Measurement of the longitudinal wave velocity and attenuation for underwater acoustical materials--Pulse-tube method
GB/T5266-1985水声材料纵波声速和衰减的测量脉冲管法
Howe ver, the strata of the continent al sedimentary basins are mainly based on thin bedes.
由此进一步形成了面向背景的纵波反射模型正演方法。
An Investigation of Filtering and Algorithm for EHV Short-line Current Differential Protection Based on Microcomputer and FO Communication Technology
超高压短线微机光纤纵差保护滤波及算法的研究
A Study on P-Wave Velocity Analysis Method in Azimuthally Anisotropic Media;
方位各向异性介质纵波速度分析方法研究与应用
The Finite Element Numerical Method of 3-D Nonlinear Primary Wave Equation in Isotropy Elastic Solid Medium;
各向同性弹性固体中三维非线性纵波方程的有限元解法
The Finite Element Numerical Method of 2-D Nonlinear Primary Wave Equation in Isotropy Elastic Solid Medium;
各向同性弹性固体介质中二维非线性纵波方程的有限元解法
Series Compensated Line Pilot Protection Scheme Using Wavelet Transformation;
基于小波变换的高压串补输电线路纵联保护新方法的研究
Transmission of elastic P-wave across one fracture with improved nonlinear normal deformation behaviors
纵波在改进的弹性非线性法向变形行为单节理处的传播特性研究
The basic tool for the manipulation of reality is the manipulation of words.
操纵现实的最基本方法是操纵文字。
A Condition Monitoring Method of One Type Armored Vechile Control Hydraulic System Based on Ultrasonic Technology and Spectrometric Oil Analysis
基于超声波技术和油液分析的某装甲车辆操纵液压系统状态监测方法
Again we call the faster wave the longitudinal and the slower wave the shear shock wave.
我们还是把较快的波叫做纵冲击波，而把较慢的波叫做剪切冲击波。
Seismic surveying is largely concerned with the primary P waves.
地震勘探主要研究一次纵波。