如何合理的设计车辆和轨道，抑制车轨耦合振动成为磁浮列车系统研究的热点问题。

How to design the vehicle and guideway feasibly to attenuate the coupling vibration is a hot topic in the maglev train engineering.

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第三章从一个四自由度弹簧振子的振动分析问题提出耦合单元的概念，建立了多转子系统振动分析的整体传递矩阵法；

In the third part, the concept of coupling element is derived from the vibration analysis of a four-degree spring-oscillator system, and a whole transfer matrix method is developed on the basis of it.

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我们研究分析了由于电声耦合，电负载对压电振动系统特性的影响。

The effect of electric load on the piezoelectric vibrational system due to electroacoustic coupling was analytically investigated.

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