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.
但是对于种情况，我们可以利用频响函数矩阵的某种冗余性来帮忙。
However, we can use some of the redundancy in the frequency response matrix to help with this situation.
利用优化逆系统求解驱动信号，避开了传统控制方法中直接对频响函数矩阵求逆的过程。
The optimal inverse system method is used for generating the driving signals instead of inverse calculation to the system transfer matrix directly.
本文中提出了一个间接方法，利用线性转子模型，分别用理论分析和试验方法确定系统的频响(传递)函数矩阵。
This paper presents an indirect method, in which frequency response transfer function matrices are analytically and experimentally determined respectively, using linear rotor models.
本文用低阶模态和系统矩阵表达高阶模态对非比例阻尼结构频响函数的贡献。
In this paper, the contribution of high order mode shape to the frequency response function of disproportional damping structure is expressed by using low order mode shape and system matrix.
针对该问题，提出一种基于频响函数左矩阵分式模型的模态参数识别方法。
Focusing on this problem, a modal parameters identification algorithm based on left matrix fraction description of FRF was proposed.
针对该问题，提出一种基于频响函数左矩阵分式模型的模态参数识别方法。
Focusing on this problem, a modal parameters identification algorithm based on left matrix fraction description of FRF was proposed.
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