Based on the popular experiment at the present of measurement of magnetic-dampedcoefficient, it was proved able to improve the accuracy of the experiment.
提出了在此类实验中解决此类问题的方法，提高了实验的精确度。
2
The effect of stiffness constant, viscosity damper coefficient and variable mass on the damped frequency and the relative damping ratio of the system were studied.
研究了系统刚度、粘性阻尼系数尤其是变质量等参数对系统固有频率和阻尼比的影响。
3
Damped least-squares method can work successfully at a relatively poor initial value, and it can overcome the recurrence difficulty caused by the singular coefficient matrix.