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。
2
The analysis indicates that the inversespectrum has a noticeable feature to distinguish the influence of the side frequency and identify the transfer function of the testing system.
分析表明倒频谱在识别边频及测试系统传递函数的影响方面具有显著的特点。
3
The analysis indicates that the inversespectrum has a noticeable feature to distinguish the influence of the side frequency as well as the transfer function in measuring test system.