激光与光电子学进展, 2018, 55 (4): 040401, 网络出版: 2018-09-11 复制并引用该论文  本文已被引 3 次  被引通知

图 & 表

图 1. 模拟的光斑及其CCD采样。(a)原始光斑;(b)未加噪声的光斑;(c)加入噪声的光斑

Fig. 1. Simulated light spot and its image on CCD. (a) Original light spot; (b) light spot without noise; (c) light spot with noise

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图 2. 各算法在不同情况下的计算误差变化图。(a)计算误差随信噪比的变化;(b)计算误差随光点移动距离的变化;(c)计算误差随CCD采样频率的变化;(d)计算误差随光点大小的变化

Fig. 2. Calculation error of each algorithm under different cases. (a) Variation of calculation error with SNR; (b) variation of calculation error with the moving distance of light spot; (c) variation of calculation error with CCD sampling frequency; (d) variation of calculation error with spot size

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表 1各算法在不同变量下的误差平均值

Table1. Average error of each algorithm under different variablespixel

Algorithm Variable SNR Moving distance CCD sampling frequency Spot size ATCG 6.2830 6.7298 2.2046 3.2447 GCG 3.8337 4.9326 1.3469 2.0478 PCG 6.0810 6.5736 2.1522 3.2113 DPCG 1.0155 1.3818 0.3588 0.7205

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葛睿, 申文, 刘超, 苏宙平, 朱华新, 李大禹, 鲁兴海, 穆全全, 曹召良, 宣丽, 胡立发. 夏克-哈特曼波前探测器的距离-幂指数加权质心探测算法[J]. 激光与光电子学进展, 2018, 55(4): 040401. Rui Ge, Wen Shen, Chao Liu, Zhouping Su, Huaxin Zhu, Dayu Li, Xinghai Lu, Quanquan Mu, Zhaoliang Cao, Li Xuan, Lifa Hu. Distance-Power Index Weighted Centroid Detection Algorithm for Shack-Hartmann Wavefront Sensors[J]. Laser & Optoelectronics Progress, 2018, 55(4): 040401.