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。
Both theory and experiments show that stroboscopic shearing speckle interferometry is obviously superior to time-average method.
理论和实验都表明频闪剪切散斑干涉照相法要优于时间平均剪切散斑干涉照相法。
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