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- By analyzing PSD of newly-built railway track irregularity,we can learn better about the state of track regularity and it profits instruct the track construction and railway maintenance. 通过对新建铁路轨道不平顺谱密度的分析,可以了解轨道平顺状态,有利于指导轨道施工和线路养护等作业。
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
- A locomotive pounded down the railway track. 一辆机车沿着铁道隆隆地驶去。
- railway track irregularity 轨道不平顺
- Numerical Simulation Methods of Railway Track Irregularities 轨道不平顺数值模拟方法
- A locomotive pounded dong the railway track. 一辆机车沿铁道隆隆地前行。
- Lay down a new ship, railway track. 建造新船、新铁路。
- The boy was electrocuted when he wandered onto a railway track. 男孩闲逛踩到铁轨上时触电死亡。
- A guy's life can be described as a train on a railway track. 男人的一生就象是铁轨上的火车。
- The railway track goes underground for a short distance. 铁轨有一段不长的路程铺设在地下。
- Acording to the interaction between wheel and track, and considering the track irregularity, the dynamic equilibrium equations of the VBS are derived. 根据轮轨间的相互作用,并考虑轨道的不平顺,推导了车-桥系统的动力方程。
- A railway track or system of tracks. 铁路，铁轨铁路或铁路系统
- The study indicates that a combination of track irregularity and high-speed running of the train increases rapidly the response amplitude. 研究表明，较差的轨道不平顺状态及列车高速运行的组合情况下，轨道振动响应幅值将迅速增大。
- Based on the stable character proving of the specimen,we used FFT methods to evaluate the whole specimen space and used MATLAB soft to get the PSD of track irregularity. 基于轨道高低不平顺样本的总体平均,对所得到的谱密度进行频率平滑,并与我国一级铁路干线的谱密度曲线进行了对比分析。
- Given the same random phase, the simulation of the sixth grade and fifth grade track irregularity PSD of U.S. railways shows the level of difference between them obviously. 该方法还可对美国轨道线路五级谱和六级谱进行数值模拟，在随机相位一致的情况下，直观地反映出不同轨道线路谱等级在时域波形上的不平顺差异水平。
- Unfortunately, the roller rig con not any directly simulate the track random i uts, because up to now there are not any standard track irregularity ectral in China. 另外，由于机车车辆系统，包括轮轨关系，实际上是非线性的，而机车车辆非线性蛇行失稳临界速度有别于线性系统，它与线路的激扰有关。
- We can not cross the railway tracks when the signal lamp is red. 号志灯转红时，我们是不能通过的。
- Edison saw a little boy playing on the railway tracks at a station. 爱迪生在车站看见一个小男孩正在铁轨上玩耍。
- Maximum track irregularity is the evaluate index in emergency maintenance and standard deviation of section track irregularity is the evaluate index in track maintenance machine work. 轨道不平顺最大值用于紧急补修评价指标,区段的标准差用于大型养路机作业的评价指标。
- I had saw one of the conventional steelworks: huge blast furnace, converter, steel ingot, mile of railway track. 我参观过传统的炼钢厂：巨大的高炉、转炉、钢锭，长达几英里的铁轨。
