The nature frequency, normal mode and dynamic response of gear system are studied by theoretical modal analysis method combined with experimental modal analysis method.
采用试验模态分析和理论模态分析相结合的方法，研究了齿轮系统的固有特性和动力响应。
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。
Started from mechanics mode, the theoretical mode of modal analysis has been drawn, illustrating the principle of experimental modal analysis from both the positive and negative viewpoint.
从物理模型出发，推导出了模态分析的理论模型，从正反两个角度说明了实验模态分析的原理。
Started from mechanics mode, the theoretical mode of modal analysis has been drawn, illustrating the principle of experimental modal analysis from both the positive and negative viewpoint.
从物理模型出发，推导出了模态分析的理论模型，从正反两个角度说明了实验模态分析的原理。
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