轨道刚度变化同时影响着轮轨动荷载和轨道动态几何形位的变化。
The changing of track stiffness affects wheel-rail dynamic forces and track dynamic geometry performance simultaneously.
理论模型与模拟软件是研究机车车辆与轨道动态相互作用的必要工具。
Theoretical models and their simulation softwares are the necessary tools for investigating dynamic interactions between railway vehicles and tracks.
针对轨道动态检测系统，分析了选择不同的坐标投影及系统模型描述对系统性能的影响。
The system performance variations for the railway track surveying due to the different choices of coordinate projection and system model description are analyzed .
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