We describe a subfringe integration interferometry for which the phase information is evaluated only from one interferogram.

叙述了次条纹积分干涉计量的原理，仅用幅光载频干涉条纹获取全部位相信息。

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电子剪切散斑干涉成系统的原理及结构成，对散斑行了处理分析。