1) numerical decrement
数值衰减率
2) numerical reduction
数值衰减
3) Logarithmic decrement
对数衰减率
1.
The logarithmic decrement of the cable is then calculated from the free decay curve of the displacement data.
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。
2.
The logarithmic decrement of the first three modes of the cable-damper system was calculated from free vibration decay curve.
通过自由振动衰减曲线计算得到了拉索-油阻尼器系统前3阶模态的对数衰减率值。
3.
At present, for nonlinear bearing rotor system, people usually use the logarithmic decrement of its linear system as the stability rule of system, this has made a great difference of theory and experiment result.
目前对于非线性轴承转子系统，仍普遍采用其线性化系统的对数衰减率作为系统的稳定性判据，这造成了理论和实验结果相差较大。
4) logarithmic decrement
对数衰减量，对数衰减率
5) value of a decay coefficient K
衰减系数K值
6) negative amplitude attenuation
负值衰减系数
补充资料：数值
1.一个量用数目表示出来的多少，叫做这个量的数值。例如"3克"的"3"，"4秒"的"4"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条