Error analysis of the piston estimation method in dispersed fringe sensor*

Project supported by the National Natural Science Foundation of China (Grant No. 61008038).

Li Yang1, 2, 3, Wang Sheng-Qian1, 2, Rao Chang-Hui1, 2, †
       

(color online) Noise amplitude of reference fringe image, x and y are dispersed axis and interferential axis in the dispersed fringe image, respectively.