In this paper the solid state laser trigger based on AT89C51 MCU is developed used for single or double pulse laser light source, which is used in laser transient speckle-shearing measurement.
针对激光瞬态散斑测量中所应用到的单脉冲、双脉冲激光光源，研制了基于AT 89 C 51单片机的激光瞬态测量用光源的脉冲发生器。
2
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。
3
It has been explained that the relation between the speckle interferometry and the speckleshearing interferometry by using the theory of the movement of space speckle.