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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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principal divisor
principal dual ideal
principal element
principal element elimination
principal elliptic term
principal enumeration
principal equation
principal escaped point
principal factor
principal fiber bundle
principal fiber space
principal fibration
principal filter
principal focus
principal for facet sequence
principal form
principal formula
principal fractional ideal
principal fractionary ideal
principal function
principal function classes
principal functor
principal fundamental solution
principal G bundle
principal G-bundle
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