Get consistent rock parameters : p - wave velocity , porosity , and mineral properties of sands , fluid modulus and density . for multiphase fluids , we need to know properties and fractions of each component 获取一致的岩石参数： p波速度，孔隙度和砂体的矿物特性，流体模量和密度。对多相位流体，我们需要知道每个分量的特性和组成。
With numerical modeling from this method in several tectonic units in the north part of north china , the velocity structure of reflection p wave was obtained from inversion and compared with the forward solution 本文将该方法进行了数值模拟并应用于华北北部的几个不同构造单元，反演得出了其反射p波速度结构，并与正演结果进行了对比。
In this paper , the practical data is analysed and get a good effect . it proves that it is vailed for vti layers using the approximation moveout formula in this paper . this method has a good foreground 本文还结合实际资料进行了分析，取得了较好的效果，说明了用本文建立时距曲线拟合公式进行横向各向同性介质多波速度分析是可行的，且具有广阔的发展前景。
When the anisotropy is not taken into account , the obtained image almost has the same variation pattern with that when anisotropy is considered . but pn velocities are not well consistent with geology for the former than the later 如果不考虑pn波速度的各向异性变化，波速横向变化的整体趋势和考虑各向异性时接近，但pn波速度与地质构造吻合得没有考虑各向异性时好。
The 3d anti 3c seismic processing flow established is used in processing of the real seismic data , achieving high quality velocity ratio spectrum and good non - hyperbolic nmo correction and stacking of 3d converted wave 应用所建立的三维三分量地震资料处理流程，对某实际地震资料进行了处理，得到了较高质量的三维转换波速度比谱，转换波非双曲动校正和叠加取得了较好效果。
Under this background , in this paper , a relationship between shear strength and shear wave velocity is built to estimate the characteristics of foundation soil with amount . the relationship is based on the non - linear elasticity of foundation soil and the theory of mohr - couloumb strength 在此背景下，本文寻找适合于软粘土地基的剪切波速度跟抗剪强度的关系式，该关系式是建立在土的非线性弹性模型和土的莫尔?库仑强度理论的基础上的。
In this paper the author studies the theory and method of refraction tomography at uppermost mantle . the images of p - and s - wave velocity lateral variation are rebuilded at uppermost mantle beneath china continent , and anisotropy of p - wave velocities are obtained on the basis of pn and sn travel time data in china and adjacent area by tomography technique 本文在详细分析研究了上地幔顶部折射波层析成像技术的理论和方法及其发展历程的基础上，搜集了中国大陆及邻区的pn和sn到时资料，利用层析成像技术，重建了中国大陆上地幔顶部的p波和s波速度横向变化图像，并反演出p波波速的各向异性分布。
In order to study the influential factors on seismic attribute , the authors use the rock modeling software to simulate the changes of mineral constituent , porosity , fluid property and saturation of rocks and further study the changes of the seismic attribute basing on the velocity of s - wave , the velocity of p - wave and various elastic modeling quantities of the rocks by means of forward modeling 摘要为了研究影响地震属性的因素、应用岩石建模软件模拟岩石的矿物组分、孔隙度、所含流体性质以及饱和度等变化，对其纵横波速度、各种弹性模量的变化情况通过正演的手段得到了解。
Based on the analysis of thin sections by microscope , measurement of porosity and density , and geological setting , we tested the rock physical parameters of sandstone , siltstone , carbonate and other transitional sedimentary rocks by the mts system under formation conditions ( temperatures , pressures and pore fluid properties ) . the rocks we tested are from tertiary ( including zhujiang formation , zhuhai formation , enping formation , hanjiang formation ) of zhujiangkou basin in southern china sea . according to the analysis results , we studied the main ultrasonic wave velocity characters of rocks , which are compressive and shear wave velocity and poisson ' s ratio under different formation conditions 在对珠江口盆地第三系储集岩进行显微镜薄片分析、孔隙度和密度分析，以及地质背景分析的基础上，利用岩石物理参数测试系统( mts )模拟地层条件(温度、压力和孔隙流体状况)测试了珠江口盆地第三系(包括珠江组、珠海组、恩平组、韩江组，以下有关讨论同)砂岩、粉砂岩、碳酸盐岩及其过渡性岩石物理性质，重点研究了不同地层条件下岩石的声学特征(岩石的纵横波速度和泊松比) 。
Abstract : the secular equations of rayleigh waves in a poroelastic half - space soil are developed by analyzing dynamic equation and continuous equation of poroelastic soil . ravleigh surface wave dispersion characteristics and its displacement as well as liquid pressure distributions in saturated half - space soil are discussed 文摘:通过对饱和土中波的运动方程及连续方程分析，推导了饱和土中瑞利波特征方程，讨论了半空间饱和土中瑞利波波速度的弥散特性，以及位移和孔压分布情况
