In many flutter analysis methods, the PK-F method is an equivalent flutter analysis method in common use.
在众多桥梁颤振分析的实验加理论方法中，PK - F法是一种通用性很强的等效颤振分析方法。
Furthermore, it performed the parametric analysis in terms of feedback gains and delayed time using the root locus method, thus obtaining the system's flutter stability boundary.
进而采用根轨迹方法就反馈增益和延迟时间进行参数分析，获得系统的颤振稳定性边界。
The proposed method overcomes the defects of the previous direct flutter analysis and it is a single parameter searching method.
该方法是一种单参数搜索方法，克服了以往直接颤振分析方法的一些缺陷。
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