正弦扫描试验
System, there are two experimental approaches: one is fixed frequency to a constant force load test; a sine sweep signal through the loading mechanism to find the resonant frequency, then resonant frequency of the loading experiments, such experiments to compare the energy conservation.
系统有两种加载控制方式:一种是定频率以恒定作用力控制加载;一种是通过正弦扫频信号寻找加载机构的谐振频率,然后以谐振频率进行加载,这种试验方式比较节约能源。
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