Through correlation calculation and filtering analysis, statistical distribution of fringe intensity in speckle-shearing interferometry has been established, so that more general characteristics of this kind of fringe have been obtained.

• 通过相关计算及滤波分析,建立了散斑错位干涉术条纹强度的统计分布,从而得到了这类条纹更为一般的特征属性。