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1、。1固有频率测量振幅（度）158137135134102725150固有周期（秒）1.4351.4351.4351.4351.4351.4351.4351.435振幅（度）504948固有周期（秒）1.4351.4351.4352、阻尼系数测量数据记录表阻尼开关位置： 210T： 14.339 秒i振幅（度）振幅（度）lni511286780.49521167700.50531058640.4954959580.49358610520.503平均值0.4980.06953幅频特性和相频特性：0/ 振幅振动周期固有周期相位差理论相差651.4871.4352123.50.964911.4691.
2、4353234.10.9771081.4591.4354145.30.9841281.4531.4355353.50.9881421.4471.4356465.60.993精选资料，欢迎下载。1501.4431.4357576.50.9961541.4371.4358889.21.0001501.4321.435100103.31.0041391.4271.435113114.11.0071281.4221.435122121.51.0101131.4161.435131131.91.014941.4061.435139142.81.020721.3941.435150150.81.029461.3681.435160161.31.048幅频特性曲线18016014012010080幅频特性曲线60402000.9400.9600.9801.0001.0201.0401.060相频特性曲线18016014012010080相频特性曲线60402000.9400.9600.9801.0001.0201.0401.060精选资料，欢迎下载。Welcome !欢迎您的下载，资料仅供参考！精选资料，欢迎下载
