The principle and structure of laser shearography and electronic speckle interferometry were introduced.Speckle pattern was disposed and analysed.
摘要介绍研制的激光电子剪切散斑干涉成的原理及结构成,对散斑图图处理分析。
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The EHT gets around this by linking together 15-20 telescopes. It uses a technique known as interferometry, in which astronomers on different continents simultaneously observe the same object, then combine the collected data on a supercomputer.
而 EHT 通过连接 15-20 个望远镜巧妙地应对这一问题。使用了一种被称为" 干术" 的技术,用这种技术,在同大陆的天文学家可以同时观同一目标,然后将收集到的数据组合在一台超级计算机上。