This paper makes use of free vibration method, using the same model and measuringdevice to identify the flutter derivatives of the girder.
本文对主梁的颤振导数识别，采用与主梁颤振分析试验相同的节段模型和测量装置，以自由振动法进行试验。
2
The device comprises the electric vibration table, a dynamic stress measuring system and a vibration controller.
该装置包括电动振动台，动应力测量系统及振动控制仪。
3
The device of measuring the vibration of roadbed and rail is necessary when we build rail. The linear Array CCD can be used to automatic non-contact measurement of railway track vibration.