Optics and Precision Engineering, Volume. 30, Issue 2, 227(2022)
Analysis and design of onboard interface of Tianwen-1 high-resolution camera
Figures & Tables(17)
Table 1. Influence of onboard interface error to primary mirror
View tableView in ArticleTable 1. Influence of onboard interface error to primary mirror
项目 RMS统计 幅值 N M 泽尼克项 dx dy dz 0.015 0.014 0.004 面形 2 0 离焦 0.001 0.001 0.000 2 2 一阶像散-A 0.023 0.023 0.005 2 2 一阶像散-B 0.020 0.017 0.001 3 1 一阶彗差-A 0.003 0.002 0.000 3 1 一阶彗差-B 0.003 0.004 0.001 3 3 一阶三叶草-A 0.001 0.001 0.000 3 3 一阶三叶草-B 0.005 0.005 0.001 4 0 一阶球差 0.000 0.000 0.000 刚体位移 TX/μm 91.45 106.05 4.49 TY/μm 150.85 118.10 28.60 TZ/μm 53.10 34.44 99.70 RX/″ 101.08 78.59 123.66 RY/″ 18.04 22.69 93.51 RZ/″ 167.19 158.01 28.26
Table 2. Influence of onboard interface error to secondary mirror
View tableView in ArticleTable 2. Influence of onboard interface error to secondary mirror
项目 RMS统计 幅值 N M 泽尼克项 dx dy dz 0.001 0.001 0.003 面形 2 0 离焦 0.000 0.000 0.000 2 2 一阶像散-A 0.000 0.000 0.001 2 2 一阶像散-B 0.002 0.001 0.008 3 1 一阶彗差-A 0.000 0.000 0.000 3 1 一阶彗差-B 0.000 0.000 0.000 3 3 一阶三叶草-A 0.000 0.001 0.001 3 3 一阶三叶草-B 0.000 0.000 0.002 4 0 一阶球差 0.000 0.000 0.001 刚体位移 TX/μm 138.50 16.21 45.59 TY/μm 24.80 168.20 28.12 TZ/μm 26.11 25.37 105.70 RX/″ 85.21 52.56 29.52 RY/″ 71.06 47.63 95.76 RZ/″ 44.12 42.74 140.70
Table 3. Influence of onboard interface error to tertiary mirror
View tableView in ArticleTable 3. Influence of onboard interface error to tertiary mirror
项目 表面RMS误差 幅值 N M 泽尼克项 dx dy dz 0.003 0.003 0.003 面形 2 0 离焦 0.007 0.006 0.002 2 2 一阶像散-A 0.017 0.013 0.005 2 2 一阶像散-B 0.004 0.004 0.008 3 1 一阶彗差-A 0.000 0.000 0.000 3 1 一阶彗差-B 0.001 0.001 0.001 3 3 一阶三叶草-A 0.000 0.000 0.000 3 3 一阶三叶草-B 0.001 0.001 0.001 4 0 一阶球差 0.003 0.002 0.001 刚体位移 TX/μm 76.75 50.65 26.46 TY/μm 132.20 140.15 7.07 TZ/μm 41.69 38.66 104.95 RX/″ 47.71 120.61 65.54 RY/″ 161.74 60.07 135.67 RZ/″ 127.40 139.92 6.28
Table 4. Influence of onboard interface error to relative displacement of mirror
View tableView in ArticleTable 4. Influence of onboard interface error to relative displacement of mirror
光学
元件
相对位移/μm 相对转角/（″） X Y Z X Y 主次镜 -89.8 -126.0 -26.9 -94.1 53.0 主三镜 -55.4 22.05 -11.4 -58.1 143.7
Table 5. Analysis results of thermal adaptability of two interface support forms
View tableView in ArticleTable 5. Analysis results of thermal adaptability of two interface support forms
光学元件 双脚架支撑 运动学支撑 相对位移/μm 相对转角/（″） 相对位移/μm 相对转角/（″） X Y Z X Y X Y Z X Y 主镜分析结果 - - - - - - - - - - 次镜分析结果 15.3 33.9 -22.5 -8 5.4 10.67 4.51 0.19 -0.39 -1.31 三镜分析结果 -9.3 -9.4 -21.6 -20.6 7.5 5.46 0.03 -5.87 0.19 -0.99
Table 6. Comparison of MTF before and after vibration test
View tableView in ArticleTable 6. Comparison of MTF before and after vibration test
阶段 MTF CCD1 CCD2 CCD3 平均 振动试验前 0.199 0.211 0.178 0.196 振动试验后 0.180 0.205 0.176 0.187
Table 7. Comparison of MTF before and after focusing in thermooptical test
View tableView in ArticleTable 7. Comparison of MTF before and after focusing in thermooptical test
阶段 MTF CCD1 CCD2 CCD3 平均 调焦前 0.179 0.166 0.174 0.173 调焦后 0.22 0.22 0.23 0.223
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Xiaobo LI, WEI LI, Tianyu SUN, Yang LI, Qingyu MENG, Yan WANG. Analysis and design of onboard interface of Tianwen-1 high-resolution camera[J]. Optics and Precision Engineering, 2022, 30(2): 227
Paper Information
Received: Sep. 3, 2021
Accepted: --
Published Online: Mar. 4, 2022
The Author Email: WANG Yan (wangyan@ciomp.ac.cn)
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