The identification of modal parameters of a vibration system 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。

youdao

A system with poor transient response tends to blur these sounds over time, due to the speaker's inability to stop and start quickly enough to react to the signal accurately.

瞬态响应差的系统往往在时间上把这些声音弄的模糊不清，因为喇叭没有能力停止和开始得足够快来准确的重现这些信号。

youdao

The output of the response system is controlled to asymptotically synchronize with any scalar chaotic signal without continuous derivatives of the driver system with unknown structure and parameters.

应用该同步控制方案，可以在驱动系统结构和参数未知及不要求混沌参考信号连续可导的前提下，实现构造响应系统的输出渐近同步于任意标量混沌信号。

youdao