看来采用自由无阻尼正规模态可保证变形运动的线动量和角动量为零。
The use of the free undamped normal modes is seen to ensure that the linear and angular momenta of the distortional motion vanish.
本文探讨了用附加已知质量的方法求解无阻尼质量弹簧系统的逆特征值问题的可能性。
The purpose of this paper is to find out an approach of inverse eigenvalue problems of undamped mass-spring system by using an attached lump of known mass.
在分析现有方法的基础之上，提出了一种基于线性无阻尼支承系统的刚体惯性参数识别方法。
Based on analysis of existing methodology, a methodology of inertia parameter identification based on the linear non-damping mounting system is put forward.
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