Therefore, by determining the intensity of ultrasonic damping, the mechanical properties of composite can be predicted directly.
结果表明,可以通过超声衰减的?度直接预测复合材料的力学性能。
Under the assumption of constant torque damping coefficient, the step response of an ultrasonic motor is obtained from the moment equation of the rotor, and also the property is deduced.
从超声马达转子的运动方程入手,在假定转子受定常阻尼的条件下,求解出阶跃响应,并由此推导出超声马达的输出特性。
Under the assumption of constant torque damping coefficient, the step response of an ultrasonic motor is obtained from the moment equation of the rotor, and also the property is deduced.
从超声马达转子的运动方程入手,在假定转子受定常阻尼的条件下,求解出阶跃响应,并由此推导出超声马达的输出特性。
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