The principle and structure of laser shearography and electronic speckle interferometry were introduced.Speckle pattern was disposed and analysed.
摘要介绍了研制的激光
切散斑干涉成像系统的原理及结
组成，对散斑图像进行了图像处理
。
The principle and structure of laser shearography and electronic speckle interferometry were introduced.Speckle pattern was disposed and analysed.
摘要介绍了研制的激光切散斑干涉成像系统的原理及结组成，对散斑图像进行了图像处理。
We describe a subfringe integration interferometry for which the phase information is evaluated only from one interferogram.
述了次条纹积干涉计量的原理，仅用一幅光载频干涉条纹图获取全部位相信息。
Its subject coverage includes: holography, shearography, tomography, radiography, and interferometry;ultrasonic, eddy current, penetrant, and acoustic emission testing;
它的主题报导包括：统计方法的实施对机械加工制品在制造周期其间的质量改善；
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