The complex mode theory is presented, with analysis of the characteristics of the free vibrations of these systems in the complex eigenvector space.
阐述了复模态理论，分析了系统自由振动在复特征向量空间内的特性。
Since the damping matrix in the motion equation of damped blade is no longer decoupled as Rayleigh damping, so the complex mode theory is introduced in this paper to overcome the difficulty.
由于带阻尼围带或凸肩叶片(以下简称阻尼叶片)的运动方程中的阻尼矩阵是非解耦的矩阵，只有引入复模态理论才能圆满解决其特征问题的求解。
The mode of complex interdependence of the book is regarded as one of the most explanatory theory.
该书所倡导的复合相互依赖模式被公认为最有解释力的理论之一。
Quasi-Optical Mode Converter is mainly adopted vector diffraction theory and Geometry optics theory, and the numerical results of complex reflector are analyzed.
准光模式变换器主要采用矢量绕射理论和几何光学理论，并结合两种理论设计复杂反射曲面。
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。
The finite element method was applied to model the complex suspension chassis and the component mode synthesis superelement theory was applied to reduce the dimension of the chassis dynamic model.
建立了复杂悬浮架有限元模型，利用模态综合动力凝聚超单元方法生成较低维数的悬浮架动力学模型。
Density functional theory calculations were carried out to examine the structure and normal mode frequencies of the ground state of the complex and its electronic transition energies.
用密度泛函方法计算了复合物的基态结构、振动频率和电子跃迁能。
Calculate the finite element mode of the complex combined structures in the load case and get the result of the theory calculation.
建立曲轴连杆组合结构模型，进行有限元计算得出曲轴连杆组合结构的固有频率和模态振型。
Calculate the finite element mode of the complex combined structures in the load case and get the result of the theory calculation.
建立曲轴连杆组合结构模型，进行有限元计算得出曲轴连杆组合结构的固有频率和模态振型。
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