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应用多通道激振试验系统，采用“阻抗矩阵”法对铁路车辆的振动状态进行试验模拟，可再现车辆在线路上运行时的状态。利用模拟试验和振型试验，测试和分析车辆各部振动的相关性和传递函数，确定车辆的振动特性、固有频率和阻尼，可对车辆的振动性能作出评价。
The multi-channel exciting test system is applied to simulate the vibration state of railway vehicles by using the “impedance matrix” method to reproduce the state of the vehicles running on the line. The simulation and vibration test are used to test and analyze the vibration correlation and transfer function of each part of the vehicle to determine the vibration characteristics, natural frequency and damping of the vehicle. The vibration performance of the vehicle can be evaluated.