In this paper, a method is developed, which may be called the method of mode perturbation, to analyze the characteristics of vibration of complicated beams.
针对低矮小开口剪切型剪力墙，研究基于直接模态摄动法原理的结构动力特性的半解析分析方法。
The natural longitudinal or torsional vibration of a wedge-shaped shaft is studied with perturbation method. The vibration mode function and the frequency characteristic equation are derived.
采用摄动法研究了楔形杆轴的固有纵扭振动，并且推导出了其固有纵扭振动的振型函数及频率特征方程。
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.
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。
Based on single mode laser system, a new dynamical system under external periodic perturbation modulation is constructed and investigated by using of the numerical analysis method.
通过对单模激光混沌系统增加一个周期扰动，构造一种具有外部周期扰动的新动力学系统，基于数值法研究了系统的混沌态在周期扰动下的动力学行为。
The discontinuity of a tuning post in fin line is firstly analyzed with mode matching method and perturbation technique.
首次应用模式匹配法和微扰法对鳍线侧边调谐螺杆不连续性进行了分析，并进行了实验研究。
The discontinuity of a tuning post in fin line is firstly analyzed with mode matching method and perturbation technique.
首次应用模式匹配法和微扰法对鳍线侧边调谐螺杆不连续性进行了分析，并进行了实验研究。
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