A new method for a vertical non-stationary random vibration analysis of vehicle-bridge systems subjected to track irregularity excitations is proposed.
提出了考虑轨道高低不平顺时进行车桥耦合系统垂向非平稳随机振动分析的新方法。
Thus, the irregularity between the results of phase analysis and electric, magnetic properties can be explained, and the measures of consolidating 2223 phase can be determined.
依此较好地解释了相分析结果与电磁性能间的不一致，并提出了强化2223相形成的措施。
The catenary irregularity is researched from time-frequency analysis of the data detected based on existing research results of track irregularity and track spectrum.
在已有轨道不平顺和轨道谱研究成果的基础上，从接触网不平顺检测数据的时频分析方面对接触网不平顺进行了研究。
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