查询词典 seismic

Seismic data acquired in this area has a very low S/N ratio due to complex near-surface conditions. Seismic imaging becomes difficult because of complex subsurface conditions with overthrust structures and faults.

由于地形起伏大，近地表结构复杂，采集的地震资料信噪比较低；以推覆构造为主体的地下地质复杂性给地震成像造成极大的困难。

This article mainly focuses on the rule of variation of vertical seismic ground field and the theory of multi-support response spectrum. The seismic response of Beijing AMECO hangar located at Beijing International Airport and cover sail of palaestra located in Harbin Institute of Technology are calculated by using multi-support response spectrum method.

本文围绕这一课题重点研究了竖向地震动场的空间变化规律以及多点输入反应谱法计算理论，并用所提出的方法对首都机场四机位维修机库（网架结构，简称AMECO）和哈尔滨工业大学体育场罩篷进行了计算分析。

This dissertation investigated the rock physics properties of Paleogene clastic formation in Jiyang Sag and oils with dissolved gas, and studied the seismic characteristics of reservoirs with different facies, to provide basis for quantitative interpretation of seismic data.

该论文主要目的是认识和了解济阳坳陷下第三系碎屑岩地层和含溶解气石油的岩石物理特征，研究不同相的地震储层识别特征，从而为地震数据的定量解释提供依据。

In this paper, the analytical expressions of seismic input for homogeneous elastic half-space are first derived in oblique incidence of plane SV-wave, and then a finite element model for a real hydropower cavern group composed of main powerhouse- transformer chamber- tailrace surge tank cavern is created. Characteristics of seismic responses such as displacement, acceleration and stress are studied in detail at different incidence angles and some results are compared with those given by the literature.

本文首先推导了平面SV波斜入射下均质弹性半无限空间的地震动输入表达式，然后建立了某水电站主厂房室-主变室-尾水调压室等构成的地下洞室群有限元模型，详细研究了不同入射角度下各洞室的位移、加速度、动应力等地震反应特点，并与文献进行了对比。

Trace interpolation plays an important role in seismic data processing. Spatial aliasing is a principal troublesome problem in seismic trace interpolation.

道间插值方法在地震资料处理中具有十分重要的作用，而地震道空间内插所面临的主要问题是空间假频。

The combined application of seismic refraction and wide angle reflection methods,prospection of vertical seismic reflec...

地震折射波法和宽角反射波法的联合应用，近年来发展的垂直反射波法的探测，地震层析成像技术，地震面波的三维速度结构，物理模拟和数字模拟技术与波形反演、联合反演的应用，深化了对岩石层本体的认识。

The study of sedimentary microfacies using seismic data requires regular variation information of reflection time and amplitude between seismic traces. Such information is useful to the description of the change of microfacies.

用地震资料进行沉积微相研究，需要深入研究并利用地震道与道之间反射时间和振幅的规则变化信息，这样可以较为有针对性地描述微相的变化。

Based on the characteristics of short-duration and abrupt of blasting vibration signals and according to measured data from a practical blast,the features of energy distribution in blasting seismic signals were studied by means of the wavelet packet analysis,which had high resolvability and localization,and energy distribution of blasting seismic signals on different frequency bands was obtained.

根据爆破地震信号具有持时短、变化快等特点，结合工程爆破地震监测资料，利用小波包良好的时频局部化性质，对爆破地震信号的能量分布特征进行了分析，得到了爆破地震信号不同频带上的能量分布。

The simulation analysis on seismic response of seven continuous rigid-framed bridges at the two states of SMA dampers control, restrainer control, was carried out. The results show that this kind of SMA damper can availably control the seismic displacement of bridge, whose control effect for expansion joint's displacement is better than steel restrainer.

6数值分析了某七跨连续预应力混凝土刚构桥在安装SMA阻尼器和传统钢棒限位器两种情况下的地震反应，数值结果表明：两者输出控制力相同的情况下，SMA阻尼器对梁体相对位移和关键部位位移的控制效果明显优于传统钢棒限位器。

This paper introduces a concept of recent seismic design method for steel sheet pile revetment in Japan, and seismic behavior obtained by an experiment for steel sheet pile revetment.

本文介绍了日本钢板桩护岸抗震设计方法的观念，以及试验中钢板桩护岸在抗震性方面的表现。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失