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研究了一种基于脉冲Ｎｄ：ＹＡＧ激光系统的数字散斑干涉技术．设计并实现了物体与脉冲激光触发以及ＣＣＤ图像获取的同步控制．这种双脉冲数字散斑干涉技术，可记录亚毫秒时间间隔的物体状态变化并可作定量分析．
A digital speckle interference technique based on pulsed Nd: YAG laser system is studied. Design and implementation of object and pulsed laser trigger and CCD image acquisition synchronization control. This two-pulse digital speckle interference technique records changes in object status in sub-millisecond intervals and enables quantitative analysis.