地震波
- seismic wave;earthquake wave;earth quake wave;tidal wave
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[earth quake wave] 地震时产生的震动波
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预测地震波的BP网络方法研究
Research of BP Network Method in Forecasting Earthquake Wave
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浅谈应用地震波CT技术检测坝基灌浆试验效果
Elementary discussion on applying the earthquake wave CT technology to inspect the dam foundation grouting test effect
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地震波衰减机制和测量方法研究表明,在孔隙和渗透性碎屑岩中,流体运动是衰减的主要机制
Direct measurement of seismic ascertains that fluid motion is a primary mechanism in porous , permeable elastics .
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获得了参数b与爆破地震波振动峰值A的关系式。
The formula of the parameter b and the peak value A of blasting vibration is obtained .
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地震波Q值成像的一种代数重建方法
An Algebraic Reconstruction Technique for Imaging Seismic-Wave 's Q Value
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对此,本文根据对真实地震波输入情况下饱和砂土动力特性进行分析,探讨了Seed理论的适用性以及局限性。
In this regard , the paper based on a real case of seismic wave analysis of dynamic characteristics of saturated sand to verify the applicability of the theory Seed .
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根据Newmark提出的转动分量公式由水平地震波时程值得到了转动分量的时程值。
According to Newmark 's formulation of rotation , the rotational component is obtained by using the horizontal component .
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采用Taft波和人工波两种地震波对圆柱形预应力LNG储罐进行地震响应分析。
Taft used artificial wave in two waves and seismic waves of prestressed cylindrical LNG storage tank for seismic response analysis .
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基于声波或弹性波方程的有限差分方法是数值模拟地震波场或合成VSP地震记录的有力工具。
The finite difference methods based on acoustic or elastic wave equation are very useful tools for wave-field numerical modeling or VSP data synthesizing .
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其次,针对地震波是一种随机波形,通过快速傅立叶(FFT)算法变换进行频谱分析,将地震波分解为许多不同频率的谐波;
Secondly , the random earthquake waves are decomposed into the superposition of simple harmonic waves with different frequencies by using the spectral analysis of Fast Fourier Transform ( FFT ) algorithm .
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修改后的Stokes粘弹性波动方程所描述的介质相当于开尔芬体,可以利用它研究地震波在大地中的传播过程。
The medium described with modified Stokes viscoelastic wave equation is a Kelvin solid , which can be used to study the propagating of seismic wave in earth media .
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利用高分辨率地震波的识别方法及大能量瑞雷波法V字型分布特征进行探测,进而综合分析探测成果,可以十分有效地圈定采空区的赋存状态,精度高,定位准确。
By the use of high resolution seismic wave diagnostics and large energy Rayleigh wave ″ V ″ type features , to comprehensively analyze the prospecting results , can effectively locate goaf occurrences with high accuracy and exact positioning .
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根据平台所在地的地质条件,采用Taft地震波,应用ANSYS提供的瞬态动力学技术对海洋平台进行动力分析,总结响应随时间的变化规律。
Based on the geological conditions of the platform seat , to use the Taft seismic wave and do dynamic analysis of offshore platform by transient dynamical analysis in the ANSYS .
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然后与不含衰减的零偏VSP模型进行比较,揭示了衰减特性导致了地震波能量的损失。
Then compared it with the no decaying zero offset VSP model , this paper has implied the decaying property had lead to the losing of the energy of seismic wave .
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将MR阻尼器与橡胶隔震垫相结合,组成智能基础隔震系统应用于结构振动控制中,数值模拟分析了结构在不同地震波,不同地震力作用下普通橡胶隔震垫隔震和MR智能隔震下的反应。
In this paper , smart base isolation system , which is combined with rubber bearing and MR damper , is applied to structural vibration control , and the structure employing RB isolation and smart isolation has numerically simulated in the action of different kind and magnitude of earthquake waves .
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针对劲性搅拌桩复合地基的抗震性能,以ANSYS为工具,考虑桩土上部结构之间的相互作用,对劲性搅拌桩单桩复合地基在不同地震波作用下的响应进行了时程分析;
To understand the seismic behavior of a compound foundation with concrete core mixing pile , the seismic responses in time domain were analyzed under the consideration of the interaction among pile-soil-superstructure through the 3-D finite element method by using the ANSYS software .
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叠前深度偏移是目前理论最先进、精度最高的地震波成像技术,它主要包括Kirchhoff积分法和波场外推法(也称波动方程法)。
Prestack depth migration is by now one of the most advanced and accurate seismic imaging technology , which mainly includes Kirchhoff integral method and wave-field continuation method ( wave equation method ) .
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Biot理论将地下储层模拟为Biot介质,将储层参数与地震波传播有机的结合起来,更接近于地下的真实描述。
According to Biot theory , the underground reservoir is simulated as Biot media . The reservoir parameters are combined with the propagation of seismic wave to be further like the real description under ground .
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利用模型正演(AIMS)技术,研究目的层段地震波的形成机理,对地震剖面上T52反射层的上超点与真正目的层的上超点间的关系进行分析;
Forward modeling ( AIMS ) is used to research generated mechanism of seismic wave of objective and analyze the relationship between the onlap point of T 2 ~ 5 reflection and that of real objective .
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针对圈闭评价中构造形态的可信度这一问题,笔者选用有限元地震波模拟正演技术,对下扬子区的HQ、DY、BP等典型构造进行模型正演计算。
Aimed at solving the problem of the creditability of structure shape in trap evaluation , the authors have advanced the forward modeling for calculating such typical structure models as HQ , DY and BP in Lower Yangtze area by using the finite-element forward modeling technique of seismic wave .
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从双平方根(DSR)形式的波动方程出发,基于沉降观测概念和地震波扰动理论,介绍了深度域的DSR全偏移算子及共成像道集的生成方法。
Starting from the double square root ( DSR ) based wave equation , and based on the survey-sinking concept and the perturbation theory , we introduce a prestack depth full migration operator and an approach to construct common imaging gathers ( CIGs ) .
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以单层柱面网壳结构为研究对象,利用El-centro地震波对该类结构进行了时程地震反应分析,考察了结构的地震响应和抗震性能,研究了其在地震作用下的动力失稳特点。
The dynamic stability of single-layer cylindrical reticulated shells is discussed . By making use of El-centro earthquake wave , the time-history responses of the above structure to earthquake are obtained respectively . A detailed analysis on the dynamic stability and anti-earthquake of the structure is carried out .
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爆破地震波在地层介质中产生的能量集中效应
Energy Centralization Effect of Blasting Earthquake Wave in the Stratum Media
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地震波正演模拟有限元法在微机上的实现
A finite element method of seismic wave forward simulation with Microcomputer
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粘弹性介质中地震波的吸收衰减补偿方法
Compensation Method of Seismic Wave Absorption and Attenuation in Viscoelastic Media
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复杂储层地震波场正演与偏移
Seismic Wave Field Forward Modeling and Migration for the Complex Reservoir
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地震波的入射方向对河谷岸坡放大系数的影响
Effects of Earthquake Wave Input Direction on Canyon Surface Amplifier Factor
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二维爆破地震波作用下三自由度弹性结构的动力响应
Dynamic response of three-freedom elastic structure to two-dimensional blasting seismic waves
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岩石孔渗特性与地震波衰减、传播速度的相互关系
Relation between rock porosity-permeability property and seismic wave attenuation and propagation velocity
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隐伏矿床的地震波动力学信息探测
Application of Seismic Wave Dynamic Information to Detection of Concealed Ore Deposits