本文从结构阻尼建模、子结构模态综合、摄动分析和结构修改等几个方面进行研究。
On the modeling of structure damping, the character of structure damping is described in this dissertation.
引入现代控制科学离散事件动态系统摄动分析思想，提出通信网络随机模拟的快速并行算法。
In this paper, we extend the idea of DEDS (Discrete Event Dynamie System) theory and present a fast parallel algorithm for communication network random simulation.
本文推广了现有的摄动分析法，提出了队长摄动的概念，建立了能同时考虑队长和事件时间摄动的全状态摄动分析。
This paper makes an extension to the existing perturbation analysis of discrete event dynamic systems and general queueing networks. The new concept of queueing length perturbation is proposed.
本文通过数值模拟及摄动分析，对平面形状为矩形（简称小包方案）及平面形状为曲边梯形（简称大包方案）的两种盲肠河段的水位波动进行了研究。
In this paper numerical simulation and theoretical analysis are used to study the wave in two different types of sidearm, one is a rectangular channel, another is a trapezoid channel.
分析了半长轴和倾角摄动变化率，以及初始半长轴和倾角偏置量对地面轨迹漂移的影响。
The effect of rate of change for semimajor axis and inclination perturbation and drift of semimajor axis and inclination on the ground-track drift was analyzed.
本文建立了分析粘弹流体平面流的基本方程，并采用摄动法和加权余量法。
Fundamental equations for the analysis of plane flow of elastic-viscous fluid are established.
在应用直接法和摄动法进行灵敏度分析时，使振动方程与灵敏度方程具有相同的固有特性而产生长期项。
The natural characteristics are the same for vibration and sensitivity equations when direct method and perturbation method are used for sensitivity analysis.
本文运用系统敏灵度理论分析了多变量系统在参数摄动条件下的动态特性。
The dynamic characteristics of multi-variable system under parameter perturbations are analysed by System Sensitivity Theory in this paper.
研究了区间参数摄动法和区间参数优化反分析法，提出了区间参数单调性优化反分析法。
The interval parameter perturbation method and the interval parameter back analysis method are studied, and the interval parameter monotony back analysis method is presented.
基于正规性分析结果，使用系统不确定性反馈摄动描述对姿态控制系统的正规矩阵设计方法进行研究。
Based on the results, a normal matrix design approach for spacecraft attitude control systems is developed by using a feedback perturbation description for system uncertainties.
物理上包含快过程和慢过程的系统可以用奇异摄动方法分析和控制。
In physics, both fast process and slow process exist in a system, this kind of system can be analyzed and controlled using singular perturbation strategy.
本文描述了一种新的、不依赖于小参数的非线性分析方法，并分析、比较了该方法与摄动展开方法的优缺点。
In this paper, a new kind of nonlinear analytical method which does not depend on small parameters is described and is compared with the perturbation techniques.
分析了某类导弹系统的稳定性，研究了天线罩瞄准线误差斜率A的摄动对寻的制导控制系统的影响。
The stability of a kind of missile guidance system is analyzed, and the effect of perturbation of radome boresight error slope a on the stability is investigated.
用数值积分来计算长周期和长期摄动，而用经典分析解的表达式来计算短周期摄动，这是很有效的。
It is efficient to compute long-period and secular perturbations by numerical integration, but the classical analytic solution may be used to calculate the short-period perturbations.
根据大气阻力摄动的基本原理，给出两种摄动计算方法，即半分析半数伍方法和数值积分方法。
On the basis of the principle of atmospheric drag perturbation this paper describes two methods: numerical method and combining both of analytical and numerical method.
本文基于二阶摄动技术研究叶片强度分析的随机有限元方法。
Based on the second-order perturbation technique, the stochastic finite element method (SFEM) of the strength analysis of the turbine blade is introduced in this paper.
本文还讨论了与区间多项式稳定性相关的一个重要问题，即稳定多项式系数的最大摄动量问题，给出三种分析方法。
The perturbation ranges of the coefficients of Hurwitz polynomials, which is related to interval polynomial stability, are discussed, and three analysis methods are proposed.
采用奇异摄动模型，通过一个简单电力系统在大干扰下发生中长期失稳的实例，分析了慢动态对系统中长期失稳的影响。
Using singular perturbation model, by the example of a simple power system losing stability in big disturbance, this paper analyses the mid-long term instability mechanisms affected by slow dynamics.
在详细分析一种典型的闭环衰减曲线法的基础上，提出将摄动法用于系统特性发生变化时的参数确定中。
On the basis of analyzing a typical closed-loop damping curve method, this paper proposes a perturbation method used to determine the parameters of a system when its behavior changes continuously.
本文提出一种分析机车横向运动稳定性的方法，即利用复模态的矩阵摄动法来计算临界速度。
This paper presents a new method of analyzing locomotive lateral stability, that is, the critical velocity is calculated by use of the complex mode matrix perturbation theory.
模态分析的矩阵摄动法在灵敏度分析和重分析中有广泛的应用。
Several perturbation methods for mode analysis were briefly summarized in this paper, some of which were widely applied in sensitivity analysis as well as reanalysis.
将可靠性分析三参数法与摄动概率有限元法相结合，提出了一套求解结构体动态响应概率分布的方法。
In this paper, a method USES to calculate structure dynamic response is proposed, which is based on the three parameter reliability model and perturbation probabilistic finite element method.
基于预瞄跟随理论，本文应用一般随机摄动法，对考虑驾驶员不确定性的人-车闭环系统进行响应分析。
Taking the uncertainty of driver parameters into account, the dynamic response of driver-vehicle closed-loop system is analyzed based on the preview follow theory and stochastic perturbation method.
对于连续与离散积分型变结构控制，分别从理论分析计算与数值仿真两种途径得到了典型惯性过程的参数可摄动范围。
The perturbation domains of parameters in typical inertial process are obtained by theoretical analysis and numerical simulation respectively for continuous and discrete integral VSC.
借助随机有限元方法和摄动方程初步分析了钻压波动对井眼轨迹的影响。
The effects of WOB fluctuation of drill string on the wellbore trajectory are analyzed by using stochastic finite element method and perturbation equation.
采用摄动理论，本文导出了路面板临界铺设温差的渐近表达式并给出了误差分析。
By the perturbation method, the formula of the critical temperature difference may be found and the error of which may also be estimated.
应用矩阵迭代摄动法，对摆动活齿传动系统的固有频率进行了求解和分析。
The natural frequencies of the vibration system are obtained by using the iterative perturbation method.
用摄动法分析刚球在非线性滑动摩擦力作用下的运动规律。
The perturbation method is used to analyse the motion of the rigid sphere under the action of the nonlinear sliding friction.
建立了射孔段套管弹性抗挤性能分析控制一般方程，并采用摄动理论给出了的孔段套管弹性抗挤能力降低系数一般计算公式。
This paper gives the elastic differential equation of collapse of perforated casing, and a general formula for reduction factor of elastic collapsing by perturbation method.
建立了射孔段套管弹性抗挤性能分析控制一般方程，并采用摄动理论给出了的孔段套管弹性抗挤能力降低系数一般计算公式。
This paper gives the elastic differential equation of collapse of perforated casing, and a general formula for reduction factor of elastic collapsing by perturbation method.
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