对数衰减率适宜于测定界面粘结的破坏。
The log decrement are suitable for determining interface bond damage.
本文给出了一种汽轮发电机组轴系扭转振动模态对数衰减率的计算方法。
This paper presents a method for calculating the modal logarithmic decay ratio of the shaft set torsional vibration in a turbogenerator unit.
轴系扭振的模态对数衰减率正比于每个振动周期耗散的能量与峰值应能的比值。
This logarithmic decay ratio of the shaft set is in direct proportion to the ratio of the energy dissipated per cycle to the peak strain energy.
通过人工激振拉索后，测得拉索的振动波腹点位移衰减时程曲线，计算得拉索的对数衰减率值。
The logarithmic decrement of the cable is then calculated from the free decay curve of the displacement data.
探讨了特征向量在评估稳定性裕度的重要作用，指出了传统的对数衰减率与系统阻尼判据在评估轴承稳定性裕度时的局限性。
The important action of eigenvector in estimating stability margin is investigated, and the limitation of both system damping and logarithmic decrement criteria is pointed out.
探讨了特征向量在评估稳定性裕度的重要作用，指出了传统的对数衰减率与系统阻尼判据在评估轴承稳定性裕度时的局限性。
The important action of eigenvector in estimating stability margin is investigated, and the limitation of both system damping and logarithmic decrement criteria is pointed out.
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