包括simulink程序与轨道不平顺美国谱的时域生成程序（m语言编写的函数），直接可用于matlab的simulink模型仿真，不用做任何处理。下载该压缩包，打开其中的rail_excitation.mdl，双击即可看到时域轨道谱生成-Simulink program including the United States and track irregularity spectrum time domain generation program (m language function), c

Matlab自编程序，根据美国六级谱模拟方向不平顺 用于模拟轨道的不平顺性 谱分析-Harshness spectral analysis Matlab written procedures, according to the U.S. five spectral simulation is used to simulate the direction of the track irregularity