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应用多脉冲红宝石激光器,可在动态事件中记录四幅不同瞬时的全息图或散斑图。这为不可重复性的动态力学问题研究提供了一种新的有效技术。文中有典型实例,并讨论了有关试验原理和方法。
Using multi-pulse ruby lasers, four different instantaneous holograms or speckle patterns can be recorded in a dynamic event. This provides a new and effective technique for the research of non-repetitive dynamic mechanics. The article has typical examples, and discusses the principles and methods of testing.