最后利用基于加速度响应的ITD法识别结构的模态参数：频率和振型等。

At last, ITD method based on free acceleration response is used to identify mode parameters, frequencies and modal.

youdao

最后利用基于加速度响应的ITD法识别结构的模态参数：频率和振型等。

At last, ITD method based on free acceleration response is used to identify mode parameters, frequencies and modal.

youdao