本软件根据路面功率谱，采用ARMA模型给出车辆路面激励随机位移，能够根据不同车辆类型生成路面激励位移，车辆振动荷载。-software on the roads of the power spectrum, using ARMA model gives incentive road vehicles random displacement, According to generate different types of road vehicle incentive displacement, vibration load vehicles.