1) random earthquake motion
随机地震运动
2) Random earthquake ground motion
随机地震动
3) random earthquake ground motion model
地震动随机模型
1.
On the basis of the single-dimensional random model,the spatial correlation of ground motions in two horizontal directions is analyzed in time domain and the correlation function matrix of two-dimensional horizontal random earthquake ground motion model is established according to the concept of principal axes of motions.
假定两水平方向的地震动为平稳随机过程,基于地震动主轴模型的假设,讨论了二维地震动分量的空间相关性,在单分量平稳模型的基础上给出了二维水平地震动随机模型的相关函数矩阵。
4) stochastic seismic motion model
随机地震动模型
1.
Study on stationary stochastic seismic motion model and stochastic response of earth-rock dams;
平稳随机地震动模型及其激励下土石坝地震反应特性研究
5) random earthquake ground motion
随机地震动场
1.
Methods of seismic response analysis for long-span bridges under multi-support excitations of random earthquake ground motion;
随机地震动场多点激励下大跨度桥梁地震反应分析方法
2.
Seismic response analysis for long-span continuous rigid-framed bridges under multi-support excitations of random earthquake ground motions;
随机地震动场多点激励下大跨度连续刚构桥的地震反应分析
3.
Taking a cable-stayed bridge with main span of 1018 m under construction as an example,the numerical simulation for the seismic responses of the long-span cable-stayed bridges is performed under the uniform excitation and the travelling wave excitation of the deterministic earthquake or the multi-support excitation of the random earthquake ground motion.
考虑地震波的行波效应、部分相干效应和局部场地效应,建立了不同机制的地震激励下大跨度斜拉桥地震反应的分析方法并以正在建设的主跨1 018 m的香港某大跨度斜拉桥为例,数值仿真了大跨度斜拉桥在确定性地震波一致激励、行波激励以及随机地震动场多点激励下的地震反应。
6) seismic random field
地震动随机场
补充资料：随机数和伪随机数
随机数和伪随机数
random and pseudo-randan numbers
随机数和伪随机数【喇间佣1 al川牌”山一喇闭..m.山娜;cJI了，a如曰e”nce，口oc月卿成.以叹“c月a】 数亡。(特别，二进制数:。)，其顺序出现，满足某种统计正则性(见概率论(probability Uleory)).人们是这样区别随机数(mndomn切mbe比)和伪随机数(PSeudo一mn由mn切mbe岛)的，前者由随机的装置来生成，而后者是用算术算法构造的.总是假设(出于较好或较差的理由)所得(或所构造)的序列具有频率性质，这些性质对于具有分布函数F(z)的某随机变量心独立实现的一个序列来说是“典型的”;因此人们称作根据规律F(习分布的(独立的)随机数.最经常使用的例子为:在区间【O，l]上均匀分布的随机数亡。，尸(亡。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条