摘要
本文给出了比例阻尼振动系统的特征值与特征向量灵敏度的计算公式，以及在模态截断情况下，特征向量灵敏度的高精度近似计算公式，并通过算例证明其有效性．
We, in this paper, put forward the calculation formulae for the eigenvalue of proportional damped vibration system and eigenvector sensitivity, and the high accurate approximation calculation formula under the condition of modal truncation,and we demonstrated its effectiveness through calculations.
关键词
比例阻尼系统
特征灵敏度
振动
计算
proprotional damped system, eigenvalue sensitivity, modal truncation
