The modal analysis and parametric identification are carried out. The ARMA mode and FFT spectrum analysis are used for these objects.

最后，用ARMA时序模型及FFT谱分析对此雷达进行了实验分析。

youdao

The modal analysis and parametric identification are carried out. The ARMA mode and FFT spectrum analysis are used for these objects.

最后，用ARMA时序模型及FFT谱分析对此雷达进行了实验分析。

youdao