The dynamic response of the damping multi-DOF structural system is usually calculated by the real modal analysis method.
求解有阻尼多自由度结构系统的振动微分方程，实模态分析法是得到广泛应用的一种有效方法。
The real modal analysis and complex modal analysis are respectively applied to the multi-degree-of -freedom system according to the different damp.
对粘性比例阻尼与一般粘性阻尼两种情况分别进行了多自由度系统的实模态与复模态分析。
In this paper, the OMA (operational modal analysis) technique will be applied to running gearbox in the actual conditions for data collection and real-time analysis.
本论文开展的工作模态分析技术是在实际工况和减速器运行状态下进行数据采集并对其实时分析的一种方法。
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