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散斑测量
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散斑测量
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散斑测量
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speckle measurement
散斑测量
通过记录和分析由粗糙物表面产生的散斑运动和变化得到物体位移或变形的测量技术。散斑是表面粗糙物体在相干光(如激光)照射下,在物体周围空间所形成的具有颗粒结构的大量随机分布的亮点和暗点。
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