logarithmic decrement

• 1. 对数衰减: logarithmic decrement | Quadratic Falloff | logarithmic damping
• 2. 对数衰减器: logarithmic attenuator
• 3. 平均对数衰减率: mean logarithmic decrement

更多释义

• 1.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.
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• 2.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.
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• 3.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.
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