The frequency response function and the power spectrum function for stationary and non-stationary inputs are obtained.
求出了频率响应函数以及输入为平稳和非平稳情况下的功率谱函数。
By using inverse matrix of frequency response function in this paper, the spectrum of dynamic forces acting on the set has been identified.
本文采用频响函数矩阵求逆法，辨识了立式机组动态力的幅值谱。
By using inverse matrix of frequency response function in this paper, the spectrum of dynamic forces acting on the set has been identified.
本文采用频响函数矩阵求逆法，辨识了立式机组动态力的幅值谱。
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