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。
The complex mode theory is presented, with analysis of the characteristics of the free vibrations of these systems in the complex eigenvector space.
本文从复模态理论出发，探讨了在机床模态分析中，应用脉冲激振法激励机床时的一些问题。
Based on the complex modal theory, some problems arising in machine tool modal analysis by impulse excitation are examined.
运用复模态理论对考虑海洋平台结构与流体相互作用而引起的非经典阻尼问题进行了理论分析。
Theoretical analysis was conducted for the dynamic equation problem of non-classical damp of offshore platform structure under stochastic wave load.
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。
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。
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.
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