对数螺线方法是描述阻尼谐振动的一个好方法。
The logarithmic spiral method is a good way of describing damped harmonic motion.
考察了亚谐响应幅值系数对阻尼的敏感性及亚谐振动谐波成分的渐近稳态性。
The asymptotical stability of the subharmonic resonances and the sensitivity of the amplitude responses to the variation of damping coefficient were examined.
流变振动仪利用等截面杆的纵向简谐振动来测定材料的阻尼，十分方便和有效。
This paper presents a simple method for measuring gas adiabatic constant by use of simple harmonic oscillation.
流变振动仪利用等截面杆的纵向简谐振动来测定材料的阻尼，十分方便和有效。
This paper presents a simple method for measuring gas adiabatic constant by use of simple harmonic oscillation.
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