random motion

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.

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。

Then, the imaging method of random stepped frequency radar in the terminal guidance tracking segment is studied, moreover, the problems about frequency matching and motion compensation are resolved under the high repetition frequency condition.

然后，研究了末制导跟踪段高重频随机频率步进雷达成像的方法，解决了高重频条件下的频率匹配和运动补偿问题。

The small particles are in random motion.

微粒处于杂乱无章的运动之中.

At a high temperature the random molecular motion is more vigorous than at a low temperature.

分子的无规律运动在高温时比在低温时更激烈.

The method is based on the kinetic theory of gas molecules, which assumes that the gas molecules do irregular thermal motion, and obtains the whole motion of the diffusion of gas by simulating a large number of random motion of molecules.

由于该方法借鉴气体分子动理论，假定烟雾粒子做一定规则的扩散运动，通过模拟大量粒子的运动来获得扩散气体的整体运动规律，因此具有模型简单直观，过程真实可靠的特性。

A competition between the photoinduced reorientation and the thermal random motion is employed to explain this temperature dependence.

一种竞争机制被用来解释这一温度依赖特性，即在双折射形成的过程中，存在着光致取向和随机热运动之间的竞争。

Molecular diffusion occurs in a gas as a result of the random motion of the molecules.

气体中的分子扩散是由分子的不规则运动产生的.

Moreover, since the atoms are in random thermal motion the frequency spectrum will be altered by the Doppler effect.

而且，由于原子是在作无规则热运动，多普勒效应也会使频谱发生改变。

A large number of random motion of molecules called thermal motion.

大量分子的无规则运动称为热运动。

Asymptotic Properties and Fractal of a Simple Random Motion

一个简单随机运动的渐近性及分形

At the same time, astronomers can look for the spacetime analogues of random Brownian motion.

同时, 天文学家可以寻找时空版的随机布朗运动.

Consequently, the turbulence is composed of the deterministic chaos and the random noise, where the motion of large eddies in the turbulence follows the rule of chaotic motion and the random noise arises from the random motion of small eddies in the turbulence.

由此可见，湍流可分解为确定性的混沌和随机噪声两部分，其中湍流中大涡的运动遵循混沌运动规律，而湍流中小涡的随机运动构成了湍流的随机噪声。

Considering the random thermal motion in the fabrication process, we applied the single-atom statistical model and combined with molecular dynamics simulations and first-principle calculation, to carefully analyze several important steps in the fabrication process and gave the relative experimental conditions.

考虑到在制备过程中热运动的随机性，我们应用单原子统计模型并结合分子动力学模拟及第一性原理计算细致地分析了制备过程中的几个重要步骤并给出了相关的实验条件。