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Design of photoelectricity detection and data acquisition system of micro Vibration
Author(s): 
Pages: 196-198,201
Year: Issue:  z1
Journal: OPTICAL TECHNIQUE

Keyword:  微振动光电检测四象限硅光电池;
Abstract: 提出了一种新的光学非接触式测量方法测量了物体的微振动振幅.用激光作为光源,以四象限硅光电池[1]作为光电探测器,借助三角测量原理,投射在振动源表面的激光反射光束在光电探测器上产生平面位移,将位移信号放大,通过A/D模块采集电压数值,并通过串口通信机制在PC终端实时显示.实验结果表明,该方法原理正确,灵敏度高,便于实现连续、快速、自动化检测,在工业在线检测方面具有良好的应用前景.
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