A new experimental method for measuring resonant frequencies of objects is proposed by use of rotating shearing stroboscopic speckle interferometry.
提出一种测量物体固有频率的新方法———旋转剪切频闪散斑干涉法。
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This system employed optical flow technology and microscopic interferometry combining with stroboscopic illumination to realize the measurement of in-plane and out-of-plane motions of MEMS devices.