The identification of modal parameters of a vibrationsystem by means of random response and free response signal is discussed.
本文讨论利用振动系统的随机响应和自由响应信号识别系统模态参数问题。
2
Based on the principle of equivalent mass, it tests the impelling vibration in sonic wave vibrationsystem, introduces the experiment condition and process.
为此参照等效质量原理对声振系统进行了激振试验，并对试验条件和试验方法进行了介绍。
3
So research of power hypersonic vibrationsystem and its control technique is paid more and more attention.