Error analysis of the piston estimation method in dispersed fringe sensor<xref rid="cpb_26_3_039501fn1" ref-type="fn">*</xref><fn id="cpb_26_3_039501fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant No. 61008038).</p></fn>

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 Yang^{1, 2, 3}, Wang Sheng-Qian^{1, 2}, Rao Chang-Hui^{1, 2, †}

Reference dispersed fringe images. (a) The fringe with small piston error; (b) the fringe with large piston error.