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激光散斑干涉测量
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激光散斑干涉测量
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激光散斑干涉测量
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laser speckle interfer
激光散斑干涉测量
当激光照射粗糙表面时,漫散射光在物体表面前方相遇而产生干涉,形成散斑场,利用光电探测器接受散斑干涉信号,当物体表面发生刚体位移或弹性变形时,通过比较物体变形前后散斑的变化,从而测得物体各部分的位移或应变,称为散斑干涉测量。
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underload
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underluminous star
underlying
underlying algebraic structure
underlying design
underlying diagram scheme
underlying dysfuctional assumption
underlying functor
underlying galaxy
underlying graph
underlying group
underlying manifold
underlying module
underlying net
underlying object
underlying polyhedron
underlying set
underlying-set functor
underlying simple graph
underlying space
underlying topological space
underlying topology
underlying variety
undermassive star
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