设计参数合理的外弹性阻尼支承可以明显改善轴承-转子系统的固有特性及强迫振动响应。
External elastic damping support, if designed reasonably, may obviously improve the natural or forced vibration response characteristics of bearing rotor systems.
介绍了一种悬臂梁结构固有振动频率的计算机测试系统。
A computer testing system developed to analyze the inherent vibration frequency of cantilever structure is described.
分析结果表明：操纵系统对旋翼桨叶扭转振动固有特性的影响是一个值得注意的问题。
The results obtained by these analyses show that the problem of the influence of control system on modal characteristics of the rotor blades torsional vibration is noticeable.
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