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, †}

(color online) Comparison of the FPL with the LSF by using dispersed fringe images with large piston error, the window width of FPL in frequency domain is 10 pixel.