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周期运动观测实验仪

Yue HE,Zhen LIU,Shan-he GUO

Physics Experimentation（2016）

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Abstract
当周期运动超出视觉停留范围时,直接观测周期运动(如转动、振动)就较为困难.利用计算机进行图像采集处理,既不直观,价格又不菲.为此,设计了周期运动观测实验仪.该仪器利用锁相成像观测法观测周期运动的物体,设置光源闪烁频率与周期运动频率一致,当光源开启时间足够短时,即可获得锁相状态下物体的准静态图像.
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