Undamped input filter may cause converter system unstable or oscillation.

无阻尼输入滤波器可能使变换器系统不稳定或者振荡。

Finally, the optimization design of the undamped vibration absorber's location parameters and structure parameters are developed.

经过大量的数值计算和分析，最终确定了无阻尼吸振器结构参数和位置参数的优化设计方法和步骤。

The use of the free undamped normal modes is seen to ensure that the linear and angular momenta of the distortional motion vanish.

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。

Unless otherwise specified, the results of the undamped analysis shall be provided to the Purchaser. The presentation of the results shall include.

除非另有规定，应该向客户提供非阻尼分析，而且结果也应包括在内。

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.

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 exact solution of linear, undamped forced vibration response is developed, and the damped forced vibration as well as the self-excited oscillation are obtained numerically.

推导了弹性轴向行进索无阻尼线性受迫振动解，用数值方法求得有阻尼行进索受迫振动和自激振动响应。

First of all, the two undamped multi-freedom torsional vibration models of DMF under idling and driving condition are built based on the principles of vehicle power train equivalent torsional model.

首先，根据汽车动力传动系统的扭振当量原则与方法，分别建立了怠速工况与正常行驶工况下发动机、双质量飞轮以及传动系统的无阻尼多自由度扭振当量模型。