地震
- 与 地震 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Based on a review of the history of seismic stratigraphy, sequence stratigrapy, and seismic sedimentology, this paper discussed the status and future trend of the seismic sedimentology, and pointed out that 90° phase transformation and frequency division interpretation are just the two technical means rather than key techniques for seismic sedimentological studies.
结合地震地层学、层序地层学和地震沉积学的发展历程对地震沉积学的现状和趋势进行了探讨,认为90°相位转换和分频解释仅仅是地震沉积学研究的技术手段,而不是其关键技术;对于地震同相轴的穿时性问题,也仅存在于3级或4级层中,并且这种穿时性与"沉积物体分配空间"和"相异作用"有关。
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Based on the characteristic of multi resolution of wavelets analysis, a effective method for displaying any cross section from coarse to fine resolution is presented; Based on OpenGL, the paper improved Ray-Casting arithmetic and footprint arithmetic considering the characteristic of seismic data; After introducing the characteristic of geology data and the process of seismic interpretation, the paper presents a theory frame of 3D geological interpretation software and partly realize the frame.
本文首次利用小波变换实现了三维地震数据体的快速多分辨率显示;针对地震数据体的特点,提出了基于OpenGL的改进光线投影法的快速算法及改进的脚印算法;实现了地震数据体的切割、面状地质体的构造及面状构造与地震数据体的联合显示,动画效果的形成等三维地震数据体显示效果;分析了三维地质体的特点及常规地质解释过程的特点,提出了三维地学可视化软件的体系结构,并实现了其中主要功能,取得了良好的效果。
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The main content consists of three parts:(1) analyzing the structural dynamic changing rule considering SSI effect;(2) analyzing the earthquake response of traditional non-shake -isolate frameworks before or after considering SSI effect, and then summarizing the rules that how factors such as base-soil elastic modulus and damping ratio effect structural horizontal deflection, displacement between floors and girder-end moment;(3) analyzing the earthquake response of shake-isolate frameworks considering SSI effect or not, indicating the changes after considering SSI effect and the performance of rubber shake-isolate pad.
本文采用通用有限元程序ANSYS,对在7度多遇地震时El Centro波作用下框架的地震响应进行了分析,主要内容分为三部分:(1)分析了考虑SSI效应后结构的动力特性变化规律;(2)对传统非隔震框架结构考虑SSI效应前后的地震响应进行了分析,总结出地基土弹性模量、体系阻尼比等因素对结构各层水平位移、层间位移以及梁端弯矩的影响规律;(3)对考虑与不考虑SSI效应的基础隔震结构的地震响应进行了分析,指出了考虑SSI效应后基础隔震结构地震响应的变化规律和隔震效果。
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Igneous rocks of Jiyang depression show typical reflecting features on seismic profile. Tabular reflection seismic facies, arc reflection seismic facies and hummocky or mushroom reflection seismic facies are the three main facies.
济阳坳陷火成岩在地震剖面上呈现典型的反射特征,其反射地震相主要有板状反射地震相、弧状反射地震相、丘状或蘑菇状反射地震相等三种。
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For a start, before the seismic inversion it is essential for a reservoir to enhance the basic research of the rock geophysical characteristic analysis, horizon calibration, fidelity processing and model analysis, etc., and of the reservoir's lithologic character, physical, electrical and gas bearing property. Subsequently based on the fundamental principle of seismic inversion, a series of inversion methods and their application conditions were emphasized. Finally, taking Labureng area as a target, by comparing various inversion effects, we aimed at enhancing the precision of seismic image, increasing SN ratio and resolution, and highlighting seismic responses of the target strata, and presented reliable geophysical references for the understanding of reservoir evaluation, gas bearing modelbuilding and reservoir mechanism in HJQ area.
首先把地震反演前的基础研究工作做扎实,其中包括储层的岩性、物性、电性、含气性在内的岩石地球物理特征分析、层位标定、保真处理和模型分析等;其次从地震反演方法技术的基本原理出发,重点探讨各种反演方法的技术特点和应用条件;最后以杭锦旗地区拉不仍工区为靶区,通过对不同地震反演方法处理效果的综合对比分析,以提高地震成像精度、提高信噪比和分辨率、突出目的层段的地震响应特征为目标,为杭锦旗地区储层评价、含气模式建立,成藏规律的认识提供可信的地球物理依据。
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Bared on the theory of plate tectonics, neural network, geologic hazards analysis and the remote sensing and monitoring of geotechnical techniques, it also finishes about the map of seismotectonics in Taiwan area, seismic risk map form 2001 to 2010 in Taiwan areas, the yearly tendency analysis of seismicity and the harmful analysis of seismic at Chiayi city.
本文由大地工程的板块构造学说、类神经网路应用、地质灾害分析和大地遥测与监测技术应用等出发,完成(1)台湾地区的地震地体构造区分图;(2)台湾地区未来10年的地震危险图;(3)年度地震趋势分析方法;以及(4)嘉义示范区的地震危险性与地质灾害分析等有关地震与震害预测之研究。
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The implementation steps are that the seismic data is collected; the Fourier transform is made for the seismic data at a certain time window; a low pass filter operator of the time domain with an interception frequency of FE and a sampling rate of DT is calculated, which is taken as the equivalent N point smooth operator; FE and DT satisfy the equation that FE*DT is equal to X*DF*1.024; the estimate value of the amplitude spectrum of the seismic wavelet and the reverse wavelet are obtained, which are convoluted with the original seismic data; and the deconvolution seismic data of the time window is obtained.
实施步骤是采集地震数据,对某一时窗的地震数据做傅立叶变换,计算截止频率为FE和采样率为DT的时间域低通滤波算子作为等效N点平滑算子,FE与DT满足FE*DT=X*DF*1.024,进而得到地震子波振幅谱估计值和反子波,再与原始地震数据褶积,得到该时窗的反褶积后地震数据。
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The main research work and its results are: 1Empirical results are analysed for the relations of fault displacement and earthquake magnitude, and difference between permanent ground deformation and maxium dynamic relative displacement on the two sides of fault; 2An analytic method is proposed for resopnse of a buried pipeline due to earthquake fault movement; 3A new shell model with an equivalent boundary and relted finite element analysis method are proposed for estimating response of a buried pipeline under large fault movement; 4By the proposed method, damage performance of water supply steel pipelines with large diameter is simulated to the real cases in Kocaeli Earthquake and Ji-Ji Earthquake, and simulating results show the real failure mode of pipes is revealed; 5Effects of overlying soil and soft/hard interlayers are analyzed on ground rupture mode and degree due to earthquake fault, and some earthquake rupture phenomena in soil layers are theoretically described for the first time; 6Pipeline response characters are discussed for the case of considering effects of soil layers on ground rupture mode; 7Research results and proposed method are applied in seismic analysis of pipline acrossing fault in the Gas Tansportation Project from West to East in China.
主要工作和成果包括:1)分析了不同断层位错形式下地表破裂位错量与震级之间的经验关系,并基于集集地震近断层记录分析了断层两侧永久地面变形和地震动相对位移幅值之间的差别,为合理地考虑地震断层位错地面变形动态影响提供了依据;2)发展了断层位错地面大变形下管线反应分析模型并给出物理概念明确、简单实用的解析分析方法;3)建立了断层位错下埋地管线反应分析的等效边界壳模型有限元方法,方法中引入了以非线性弹簧形式模拟离断层较远处管段影响的等效边界,简化了计算模型并突出了近断层处管体反应;4)利用等效边界壳模型方法,对土耳其地震和集集地震中大口径埋地管线震害进行了模拟,结果表明所提方法可以更清地解释震害所表现的管体破坏特征;5)研究了覆盖土层和软硬夹层的存在对断层位错地面破裂形式和程度的影响,首次从理论上解释了某些地震地表破裂现象;6)探讨了考虑土层对断层位错地面变形影响的管体反应特征;7)本项目成果已在西气东输工程的管道跨断层抗震问题分析中得到了应用。
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In most cases, time-lapse seismic is taken by repeated 3D seismics,so it is also called 4D seismics.There are many other time-lapse observation methods besides the 3D time lapse seismic such as time lapse 2D seismics,time-lapse cross hole seismic,time-lapse VSP etc.
由于大多数情况下,时移地震都是通过重复三维地震进行的,因此国内外很多学者也将其称为四维地震,除三维时移观测外,还有很多其它的时移观测方法,如时移二维地震、时移井间地震、时移VSP等。
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The article elaborated the seismic sedimentology's concept and the discipline characteristic, thought the earthquake sedimentology may divide into the seismic geomorphology and the reservoir seismography according to the research criterion, propose research method from the application aspects. The article proposed the smallest isochronal strata unit concept at the first time, namely three-phase (seismic, oil well logging, core) unifies the unification when the research the well and seismic, is smallest geology chart unit with depositional analysis.
文章阐述了地震沉积学的概念和学科特点,认为地震沉积学可以按研究尺度分为地震地貌学和储层地震学,从应用角度提出了地震沉积学的研究思路,并首次提出最小等时研究单元的概念,即三相(地震相,测井相,岩芯相)结合研究时井震统一的尺度,是沉积分析时一个最小的地质成图单元。
- 推荐网络例句
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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.
然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。
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Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。
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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。