interferometry

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

叙述了次条积分计量的原理，仅用幅载频条图获取全部位相信息。

The principle and structure of laser shearography and electronic speckle interferometry were introduced.Speckle pattern was disposed and analysed.

摘要介绍了研制的子剪切散斑成像系统的原理及结构组成，对散斑图像进行了图像处理分析。