The natural logarithm of this ratio is called the logarithmicdecrement.
此比率自然对数称为对数的减量。
2
The logarithmicdecrement 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。
3
The results show that in traditional aging temperature, the stress relaxation curve of 7050 aluminum alloys exhibits a classical logarithmicdecrement curve.