Study of theory of calculating long-time circle ground motion response spectrum;
地震动长周期反应谱数值计算方法研究
Effect of scattering on the ground motion above a subsurface elliptic cavity by incident SH-waves;
SH波在浅埋椭圆孔上的散射对地震动的影响
The study and application of stochastic finite faults method in ground motion synthesizing;
随机有限断层法合成地震动的研究与应用
Natural and artificial earthquakes can trigger off some acceleratory motion tendency of ground fluids.
天然和人工地震动使地下孔隙流体瞬时产生相对于地层介质的加速运动趋势,即产生了作用于流体的瞬时冲力。
The earthquake ground motion is a complicated time-space process and may be different at different supports of large-span structures.
地震地面运动是一复杂的时-空过程,严格来说所有结构的地震反应分析均应考虑地震动空间变异性的影响,尤其是当结构规模和平面尺寸较大时,这种差动效应就更加明显,由此引起的结构反应与一致激励相比有所不同。
The parameters of frequency-dependent modulating function are obtained statistically based on the adaptive spectrogram analysis of seismic records of San Fernado earthquake(1971).
将时间信号时 -频联合分析的自适应谱方法用于研究地震地面运动的频率非平稳特征、提取频率非平稳信息 ,统计得到各个频段地震动成分的强度变化过程。
Spectral matrix of seismic ground motions;
地震动各分量间的谱矩阵
Then,a stochastic model for the spatial variation of seismic ground motions was proposed,and the simplified simulation formulas were obtained by the pre-decomposition of the spectral matrixes of seismic ground motions.
给出了空间变异地震动的随机描述,并通过引入对地震动谱矩阵的预分解,导出了用于平稳空间变异地震动随机模拟的简化计算公式,避免了较耗时的对复矩阵求特征值的运算。
Three seismic ground motions, i.
以佛山市平胜大桥为研究对象,采用空间非线性有限元法,研究了独塔自锚式悬索桥的地震响应特性;考虑了一致输入、行波输入、多点输入这3种地震动模式以及多种地震波组合,并就塔梁不同连接方式对结构响应的影响进行探讨。
Attenuation of input energy of strong ground motion;
地震动输入能量衰减规律的研究
Quantitative research on effects of bilateral rupture fault on spatial correlation of strong ground motion;
双侧破裂模型对地震动空间相关性影响的定量研究
Research on random function model of strong ground motion(Ⅱ):parametric statistic and model certification
地震动随机函数模型研究(Ⅱ)——参数统计与模型验证
Interaction of earthquake activity and gas accident in coal mining underground;
地震活动与煤矿瓦斯溢出事故之间的影响关系
Characteristics of earthquake activity in Qingdao and its adjacent region;
青岛及邻近地区地震活动特征分析
The volcano tectonic environment and earthquake activity in Wudalianchi;
五大连池火山构造环境与地震活动
Seismicity Background of Jiemian Reservoir in Fujian Province;
福建街面水库地震活动背景
Relation between High Value Anomaly of Radon at Qiyan Spring of Dingxiang,Shanxi and Seismicity of North China;
山西定襄七岩泉水氡高值异常与华北地震活动的关系
Short-term seismicity characteristics before large earthquake obtained from the space-time scanningin Sichuan-Yunnan regions;
川滇强震前地震活动空间扫描短期特征
The Study on the Ground Motion Attenuation Law of Moderate Earthquake Area
中强地震活动区地震动衰减规律研究
Estimation on site effect from different techniques using aftershocks of Chi-Chi earthquake
利用集集地震余震记录分析场地地震动反应
Study on Seismic Dynamic Response of Tunnel Structure at High Seismic Intensity Location;
高烈度地震区隧道地震动力响应研究
Structural Response for Multi-Component Ground Motion Inputs;
多维地震动输入下结构地震反应分析
Analyses of Mitigation Effects of Isolated Structures to Different Ground Motions
不同地震动作用下隔震结构减震影响分析
seismic research, tremors, waves
地震的研究、 震动、 震波.
shake with seismic vibrations, as of planets.
因地震的震动力而摇动。
A seismograph records earthquakes.
地震仪能自动记录地震。
Portable Broadband Seismic Array Obseration: Earthquakes Location and Seismic Tomography
流动宽频带地震台阵：地震定位与地震层析成像
Strong Motion Records and Earthquake Effect in Jiangsu Province Related to Wenchuan M 8.0 Earthquake
汶川地震在江苏的强震动记录及地震影响场
The word "quake" means a shaking or trembling.
词语"地震"一词的意思是摇动或震动。
Characteristics of seismic activity before 2008 Wenchuan M_S8.0 earthquake
2008年汶川M_S8.0地震前地震活动异常特征
EFFECT OF WENCHUAN EARTHQUAKE ON SEISMIC ACTIVITY IN HUBEI
汶川地震对湖北地震活动趋势的影响
Seismicity characteristics before the 2003 Chengkung,Taiwan,earthquake
2003年台湾成功地震前的地震活动特征
Tremors that convulsed the countryside; when civil war convulsed the nation.
使乡间猛烈震动的地震；当内战震撼这个国家时
Earthquake shocks are often felt in Japan.
在日本常常感觉到地震引起的震动。
The town was rocked by an earthquake.
该城遭地震而发生剧烈震动.
The seismograph showed a sharp spike in response to the trembler.
地震仪显示，震动器的反应突然大增。