中国激光, 2019, 46 (9): 0904004, 网络出版: 2019-09-10
改进的激光光斑位置分辨率模型 
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Improved Laser-Spot-Position Resolution Model
图 & 表
图 2. 总信噪比为66.44 dB时不同半径下两种模型位置分辨率仿真曲线
Fig. 2. Stimulation curves of position resolutions for two models with different radii when total signal-to-noise ratio is 66.44 dB
图 3. 总信噪比为66.44 dB时两种模型位置分辨率差值仿真曲线
Fig. 3. Stimulation curves of differences of position resolutions between two models when total signal-to-noise ratio is 66.44 dB
图 4. 不同总信噪比下位置分辨率仿真曲线。(a)线性纵坐标;(b)对数纵坐标
Fig. 4. Stimulation curves of position resolutions for different total signal-to-noise ratios. (a) Linear ordinate; (b) logarithmic ordinate
图 6. ω=0.74 mm时实验结果与仿真曲线的对比
Fig. 6. Comparison between experimental results and stimulation curves when ω=0.74 mm
图 7. ω=0.74 mm时的AM和PM模型的误差曲线
Fig. 7. Comparison of error curves between AM and PM models when ω=0.74 mm
图 8. 当总系统信噪比为66.96 dB时,光斑中心位置为(0.4 mm, 0 mm)时x0的计算值
Fig. 8. Calculated values of x0 at position of (0.4 mm, 0 mm) when total signal-to-noise ratio is 66.96 dB
表 1不同光斑半径下AM和PM模型的仿真结果与实测结果的最大差值
Table1. Maximum differences between simulation and experimental results of AM and PM models with different spot radii
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陈云善, 吴佳彬, 王景源, 张楠. 改进的激光光斑位置分辨率模型[J]. 中国激光, 2019, 46(9): 0904004. Chen Yunshan, Wu Jiabin, Wang Jingyuan, Zhang Nan. Improved Laser-Spot-Position Resolution Model[J]. Chinese Journal of Lasers, 2019, 46(9): 0904004.
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