interferometry

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

叙述次条纹积分计量的原理，仅用幅光载频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.

摘要介绍研制的激光电子剪切散斑成系统的原理及结构组成，对散斑进行处理分析。