基于灵敏度分析，采用多步灵敏度计算方法对其进行动力学修改。
Based on the sensitivity analysis, a multi-step method for dynamic modification was presented.
结构动特性灵敏度在动力学结构修改和故障诊断中被广泛地应用。
The structural dynamic characteristic sensitivity is widely applied to modification of the dynamic structure and the diagnose trouble.
本文研究了多组耦合模态结构动力学参数修改的子空间摄动法。
A subspace perturbation method for structural dynamic modification of several groups of coupled-modes vibration systems is studied.
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