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- logarithmic decrement rate 对数衰减率
- The natural logarithm of this ratio is called the logarithmic decrement. 此比率自然对数称为对数的减量。
- However, when the MR dampers are not voltage strengthened, the measured logarithmic decrement is smaller than 0.03. 而当MR阻尼器无电压输入时对数衰减率值小于0.;03,无法满足拉索减振要求。
- 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。
- The Logarithmic Decrement method was employed for the damping calculation.Frictional damping at the supports of the board/retainer system was determined as well. 至于系统阻尼则以对数递减法求取,而支撑部份所引发之摩擦阻尼也加以计算。
- The studies show that compared with the conventional logarithmic decrement method, this method need not to determine the baseline, and is insensitive to baseline drift and low frequency interference. 研究表明,与传统的对数衰减法相比,新方法无须确定基线,估计结果对基线漂移和低频干扰不敏感。
- Appling conception of modal separation the first two order modes of the rotor-bearing system were obtained by research the free vibration displacement response for getting the logarithmic decrement. 运用模态分离的概念,通过求自由振动位移响应的对数衰减率而得到转子轴承系统的最低一、二阶模态的模态阻尼,亦称系统阻尼。
- By the processes of acid cellulase and softener organosilicon to deal with the ramie fabric, six indexs of the fabric were tested, including decrement rate, bending rigidity, bending length, drape coefficient, loss rate in strength and so on . 实验中采用纤维素酶加柔软剂处理苎麻织物,通过正交实验及验证试验获得最佳工艺条件,并对织物的减量率、弯曲长度、悬垂系数、经向强力损失率、刺痒感等六个指标进行测试与评价。
- The natural logarithm of this ratio is called the logarithmic decrement 此比率自然对数称为对数的减量。
- At this rate we won't be able to afford a holiday. 照这样下去,我们不会有时间/钱去度假的。
- Keywords damping capacity;logarithmic decrement;Fe-Al damping alloy; 阻尼性能;对数衰减率;铁-铝阻尼合金;
- What's the going rate of computer programmers? 计算机程序设计人员的一般工资是多少?
- Keywords damping composite material;piezoelectric ceramics;carbon fiber;percolation threshold;logarithmic decrement; 减振复合材料;压电陶瓷;碳纤维;导通临界值;对数衰减率;
- By power we mean the rate of doing work. 我们说功率就是指做功的速率。
- The characteristic of the logarithm 6.3214 is 6. 对数6.;3214的首数是6。
- They charge a fixed rate for each transaction. 他们对办理的每项业务收取一定的费用。
- The going rate for freelance work is 5 an hour. 自由职业者的现行酬金是每小时5英镑。
- At that rate, he ought to be punished. 如果那样,他应该受到惩罚。
- Can you tell me the rate for a double room, please? 请告诉我一间双人房的费用可以吗?
- Above rate applicable until further notice. 除非另有通知,上述运费率适用。