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

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。

youdao

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

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。

youdao