地震模型一般是应用人工地面加速度时间历程存在集来丰富地震记录。
Seismological models are generally used to enrich the existent sets of earthquake records with artificial ground acceleration time histories.
计算获得了华北地区最大地面运动和设计地面加速度（DGA）的分布图。
The method proposed by Panza(1999)was used in the calculation to obtain the distribution map of the maximum ground motion and design ground acceleration(DGA).
最后给出了规范各种工况下的地面加速度功率谱参数值，为随机抗震计算分析提供了依据。
The parameters of random model of ground motion given in this study provide relatively reliable and accurate earthquake motion input for stochastic seismic response analysis of structures.
运用NDFEPS - 2d计算了若干场地模型的地面加速度反应谱、速度反应谱、位移反应谱。
The ground surface response spectrum of acceleration, velocity and displacement were calculated using NDFEPS-2D.
本文着重计算和分析了刚性基础上的内浮顶油罐的固有频率、振型和水平地面加速度作用下的动力响应。
The natural frequency and mode of the oil storage tank with an in-floating roof supported on the ground are calculated, and its dynamic response to the horizontal earthquake motion is analyzed.
名单中所列出的19座大坝被水平地面加速度峰值大于0.3g的地震震毁，其中包括原来所列名单中的5座大坝。
Now 19 DAMS are listed in table 1 that were shaken by peak horizontal ground accelerations (PHGA) greater than 0.3g. The new list includes five DAMS from the original table.
方法测定的概率，某些地面加速度水平将被体验在某一特定地点都被称为“地震风险”或“地震风险”分析。
Methods to determine the probability that certain ground acceleration levels will be experienced in a given site are referred to as "seismic risk" or "seismic hazard" analyses.
现场试验包括：①测定振冲器水平振动力作用下产生的地面加速度以及制桩时引起的地面加速度与距振点距离之间的关系；
The in-situ measurement includes:( 1 ) the ground acceleration due to horizontal vibrating force caused by the vibroflot and its variation with the distance from the vibrating center;
星期五地震震中的峰值地面加速度或者振动接近距离震中110英里（172公里）的福岛第一核电站设计承受能力的2倍。
Peak ground acceleration, or shaking, caused by Friday's earthquake was nearly double—at its epicenter—than what the Fukushima Daiichi plant, 110 miles (172 km) away, was built to withstand.
研究结果表明：在简谐地面加速度作用下，高频地震动也可以引起长周期结构产生很大的位移反应，且最大位移反应出现在结构的瞬态自由振动阶段。
It is concluded that the transient response to a high frequency harmonic ground motion can increase greatly the displacement response of structures, particularly for the long period structures.
一个加速度测量仪捕捉你脚接触和离开地面的情况；
There's an accelerometer that detects when your foot hits and leaves the ground, calculating that all-important contact time.
与全球定位系统、加速度计、陀螺仪和指南针结合使用，可用于具有地面精度的室内导航。
Used in combination with GPS, an accelerometer, a compass and the gyroscope can be used for in indoor navigation with floor accuracy.
推导了地面简谐运动作用下的加速度和位移的频率响应函数。
The frequency response functions of relative displacement and absolute acceleration are derived under acting of harmonic ground excitation.
利用地面和车载测试系统，对列车车体表面、车厢内部、隧道壁面空气压力变化、隧道内列车风、隧道口微气压波和隧道壁面振动加速度等参数进行测试。
Using the ground and vehicular test systems, many parameters such as pressure change, wind caused by train, micro-pressure wave and vibration acceleration of the wall of tunnel were tested.
地面运动加速度功率谱模型为零均值的平稳高斯过程，描述为过滤白噪声施加于支撑各点。
The power spectral density function of ground acceleration can be described as filtered white noise applied on each support point.
根据云南地区的实测强震加速度资料，采用回归分析法研究了云南地区的地面水平、垂直峰值加速度衰减规律。
Based on the observed data of strong motion acceleration in Yunnan region, the surface attenuation pattern at horizontal and vertical peak acceleration is studied by regressive analyzing method.
地震地面运动功率谱模型采用两次过滤白噪声模型，建立了地震地面运动谱强度与最大加速度均值之间的关系。
Its power spectral model is the twice-filtered white noise model. Moreover, the relation between the power spectral intensity and the mean value of maximum ground acceleration is set up.
第三，在地面进行加速度计的三轴转台实验。
Test the accelerometers which is fixed in three-axis rotary table on the ground.
引入非线性动力学理论和混沌时间序列分析方法考察强震地面运动加速度时程的非线性特征。
The nonlinear dynamic theory and the chaotic time series analysis method were adopted to examine the nonlinear characteristics of strong earthquake ground motions in this paper.
详细讨论了采用加速度计和磁力计的地层倾角仪的地面数据采集和实时处理。
And the data acquisition of its surface equiqment and well-site data processing are given in detail.
然后，根据加速度峰值等效原则，选代计算得到地面的加速度功率谱密度曲线；
Then, the power spectral density (PSD) of the acceleration at ground level is evaluated by an iterative approach according to the principle of equivalent peak acceleration.
然后，根据加速度峰值等效原则，选代计算得到地面的加速度功率谱密度曲线；
Then, the power spectral density (PSD) of the acceleration at ground level is evaluated by an iterative approach according to the principle of equivalent peak acceleration.
应用推荐