结构动力可靠性理论的基础是随机振动理论。
Random vibration theory is the basis of structural dynamic reliability theory.
基于随机振动的离散分析理论，推导出白噪声激励下结构动力响应的递推公式。
Based on discrete random vibration theory, recurrence formulas are developed to calculate the dynamic response of structures under white noise excitations.
本文提出了大型抛物面天线结构风振响应分析的随机振动方法。
The random vibration method for the analysis of large parabolic antenna structure response to wind load is proposed in this paper.
在此基础上采用随机振动的离散分析理论，推导出结构响应均值和方差的递推式。
Based on discrete random vibration theory, recursive square equations to calculate the mean and standard deviation of response are developed.
本文给出拖拉机-拖车系统结构动力特性与随机振动响应分析的实用计算方法。
In this paper, the methods of dynamic characteristic and random vibration response analysis for the structure of tractor-trailer system are presented.
目的针对壳体结构模型进行减振设计，使其能经受宽带随机振动环境考核。
Objective In order to ensure that a shell structure can stand up the test of wideband random vibration environment, a vibration isolation design method is developed.
研究随机天线结构的风激随机振动响应问题。
The random vibration analysis of stochastic antenna structures under wind excitation is studied in this paper.
考虑深海柔性张力腿平台的几何非线性特征，建立柔性平台结构非线性随机振动响应分析方法。
Considering the geometrical nonlinearity, a new method for the nonlinear random vibration of flexible Tension Leg Platform (TLP) is presented in this paper.
地震是一种随机振动，一旦发生将影响结构的安全。
Earthquake is a kind of random vibration. Once quake occurs, it will affect the safety of the construction.
从多维地震动输入下的结构三维振动方程出发，给出了结构多维随机振动的振型位移法和振型加速度法。
From the equation of three-dimensional vibration of structures, the methods of multi-dimensional random mode displacement and mode acceleration have been put forward.
应用随机减量技术对响应信息进行处理，相应于结构的每一振型可得到一条独特的随机衰减曲线，该曲线代表结构自由振动响应。
Processing the response signals by using the random decrement technique, a unique corresponding to each mode is obtained, which represents a free vibration response of the structure.
基于结构随机振动理论，可导出顺风向风振时各类风响应。
Based on random vibration theory, the along wind structural response formulae are derived.
基于平稳随机振动理论，推导了一般阻尼结构体系反应谱组合方法，以满足大跨度桥梁等结构抗震设计的需要。
A spectral combination rule is proposed based on the theory of random vibration of structures for the need of aseismic design of Bridges, etc.
本文给出随机振动数据处理中的两个通用优化程序，可用于识别结构的模态参数。
The paper presents two common programs of optimization for data processing in random vibration.
应用随机振动理论进行闸门结构的随机振动响应分析。
With random vibration theory the random vibration response analysis for gate structures are conducted.
结构的宽带随机振动理论是随机振动理论中一个引起兴趣的领域。这种随机振动模态数量很大，从而呈现简单的渐近趋向。
Wide band random vibration of structures is an interesting area in the theory of random vibration in which the number of responding modes is so large that some asymptotic behaviour may be observed.
笔者为此从随机振动理论出发，对点支式幕墙支撑结构的风振系数进行了研究。
Based on random vibration theory, the response of the structure under random wind load and the formula of wind vibration factor was developed.
介绍了随机参数的类型，随机参数结构的响应分析及振动分析方法；
The paper discusses random parameters response analysis and vibration analysis methods for random structures.
本文在某支撑座结构模型宽带随机振动实验的基础上，研究了如何监测连接螺钉组松动故障程度的问题。
Based on the broad-band random vibration test on a clamping support in missiles, this paper investigates the problems on evaluating the attachment bolt looseness in the structure.
本文采用离散理论求得索桁架的振动方程，进一步可求得在随机风荷载作用下索桁架结构的振动频率及其位移响应。
This paper has worked out the vibration equation of cable truss by treating it as a discrete system and solved the vibration frequency and the displacement responses under stochastic wind loading.
本文提出了用模态截断法处理复杂结构的随机振动方程、及时域上计算系统随机响应的方法。
A method to treat stochastic dynamic equation of complicated structure by means of modal truncation method and to compute response statistics of dynamic system in the time domain is presented.
经过对风荷载这种有色噪声进行白噪声滤波，桅杆结构的风致振动描述为白噪声激励下的随机振动。
After color noise as wind load is generated from white noise filter, wind-induced vibration of guyed masts is described as random vibration under white noise excitations.
以镜架支撑安装基面上实测的地面振动速度功率谱密度为激励，运用ANSYS有限元分析软件的PSD分析模块，对该结构系统的随机振动响应进行了分析计算。
The PSD measured on the install base level of the mount as the excitation, the random vibration response of the mount was analyzed with the PSD module of ANSYS.
本文针对随机参数压电智能桁架结构开展了结构动力分析、主动杆优化配置和结构振动主动控制研究。
In this paper, the research of structural dynamic analysis, the optimization of active bars placement and the active vibration control for piezoelectric structure are studied.
第三，将爆破地震动加速度时程作为随机过程，对建筑结构物进行了随机振动反应理论分析；
Thirdly, assuming blasting seismic acceleration history is stochastic process, stochastic vibration response of structure is analyzed theoretically.
随机压电智能结构振动主动控制是目前结构动力设计与控制研究领域中的一个重要的崭新课题。
Active vibration control for piezoelectric intelligent structures is an important task in the field of engineering structural research.
弹头在飞行过程中的振动主要是随机振动，计算随机激励下弹头的响应是弹头结构强度和环境分析的重要任务之一。
The vibration of flying missile head is a subject of random vibration mainly. Calculating the random response is a major work of missile head structure and environment analysis.
结果发现：随着冰速的增加，可以出现三种不同冰力形式并分别引起结构准静态振动、稳态振动和随机振动响应。
The results illustrate that three ice force modes, quasi-static, steady-state and random vibration, could be formed with the increase of ice speed.
利用随机振动方法分析了钢筋混凝土框架结构的水平随机地震激励下结构响应的功率谱。
With the random vibration method, the response spectrum of structure under the earthquake action of level axis directions are obtained.
通过随机振动峰值应力响应考核空间相机在随机振动环境下主镜支撑结构的可靠性存在一定的局限性。
It is not perfect to estimate the reliability of primary mirror supporting structures in space cameras based on the peak value of stress response at a random vibration environment.
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