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中文摘要：
从二自由度级联系统的振动物理模型出发，编写二阶系统级联振动分析软件，对不同的二阶系统级联方式的振动输出波形进行对比分析，得到一种有利于减振的级联组织方式．针对某型电力机车建立了二阶系级联系统并进行了分析，确认了先高频后低频的级联组织方式对减振的有效性．
英文摘要：
Started from the physical model of two-degree-of-freedom concatenated system, its motive differential equation was established. For the convenience of computer realization, the equation was dispersed making use of numerical analytic methods. The outputwaveform of the two different concatenated forms of a two-order system was drawn by the concatenating analysis software of two-order system. The output waves were compared and a useful concatenated form was verified. The actual parameters of some electric-locomotive were analyzed through the software. It is concluded that this kind of electric-locomotive fully makes use of this useful concatenated forms to reduce vibration.
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