By speckle Photography, a 3-D asymmetrric temperature field for the phase object is measured. And the temperature distribution for a giving layer (z=const) is obtained by convolution backprojection algorithm.
应用散斑照相法测定了三维非对称温度场，通过卷积背投影公式得到了z为常数的某个层面的温度分布。
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本文最后提出了旨在提高测量灵敏度的二种实验技术-反射式激光散斑照相法与附加位移法。
Finally, two experimental techniques -the reflective laser speckle photography and the image shift are presented to improve the measurement sensitivity.
理论和实验都表明频闪剪切散斑干涉照相法要优于时间平均剪切散斑干涉照相法。
Both theory and experiments show that stroboscopic shearing speckle interferometry is obviously superior to time-average method.
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