Research on Spectral Measurement Technology and Surface Material Analysis of Space Target

Shi-yu DENG; Cheng-zhi LIU; Yong TAN; De-long LIU; Chun-xu JIANG; Zhe KANG; Zhen-wei LI; Cun-bo FAN; Cheng-wei ZHU; Nan ZHANG; Long CHEN; Bing-li NIU; Zhong LÜ

doi:10.3964/j.issn.1000-0593(2021)10-3299-08

Journals >Spectroscopy and Spectral Analysis >Volume 41 >Issue 10 >Page 3299 > Article

Spectroscopy and Spectral Analysis
Vol. 41, Issue 10, 3299 (2021)

Research on Spectral Measurement Technology and Surface Material Analysis of Space Target

Shi-yu DENG^1、*, Cheng-zhi LIU^{1、1; 4; *;}, Yong TAN^{3、3; *;}, De-long LIU^1、1;, Chun-xu JIANG^3、3;, Zhe KANG^1、1;, Zhen-wei LI^1、1;, Cun-bo FAN^{1、1; 4;}, Cheng-wei ZHU^1、1;, Nan ZHANG^1、1;, Long CHEN^{1、1; 2;}, Bing-li NIU^{1、1; 2;}, and Zhong LÜ^3、3;

Author Affiliations

¹1. Changchun Observatory of National Astronomical Observators, Chinese Academy of Sciences, Changchun 130117, China

³3. School of Science, Changchun University of Science and Technology, Changchun 130022, China

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DOI: 10.3964/j.issn.1000-0593(2021)10-3299-08 Cite this Article

Shi-yu DENG, Cheng-zhi LIU, Yong TAN, De-long LIU, Chun-xu JIANG, Zhe KANG, Zhen-wei LI, Cun-bo FAN, Cheng-wei ZHU, Nan ZHANG, Long CHEN, Bing-li NIU, Zhong LÜ. Research on Spectral Measurement Technology and Surface Material Analysis of Space Target[J]. Spectroscopy and Spectral Analysis, 2021, 41(10): 3299 Copy Citation Text

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Fig. 1. The telescope overall diagram

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Fig. 2. The terminal box diagram

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Fig. 3. The target takes images at different wavelengths

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Fig. 4. The brightness of the target at different wavelengths varies with wavelength

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Fig. 5. The original observation data of 6 targets

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Fig. 6. The inversion results

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名称	参数1	参数2	参数3	参数4
口径	≥1 200 mm	-	-	-
主焦点	焦距>2 000 mm	视场≥1.5°×1.5°	效率≥70%	CCD 4 k×4 k Pixel 15 μm
卡焦	焦距<9 195 mm	视场≥11'×11'	效率≥70%	-
跟踪速度	方位速度≥6°·s^-1	高度速度≥2°·s^-1	加速度≥1°·s^-2	-
跟踪精度	恒星 0.2″/10 s	空间目标~5″	-	-
指向精度	≤5″	-	-	-
轴转动范围	方位±270°	高度0°~95°	-	-

Table 1. 1.2 m large aperture space target optical telescope parameters

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仪器	厂家型号	技术指标
液晶可调滤光器(LCTF)	CRi VariSpec-10 51997	光谱范围: 400~720 nm
		带宽(FWHW): 10 nm
		最小跳转谱宽: 1 nm
		最低跳转时间: 50 ms
		工作温度: 10~40 ℃
		仪器尺寸: 3.36×1.95×2.01 inch
		视场角: 7.5° half-angle
		最大通光量: 500 mW·cm^-2
		口径大小: 35 mm
相机(sCMOS)	HAMAMATSU ORCA-flash4.0 V3	分辨率: 2 048×2 048
		像元面积: 6.5 μm×6.5 μm
		峰值量子效率: 82%@560 nm
		读出噪声: 1.0 Median
		位深: 16 bit
		最大帧频: 40 fps
陶瓷恒温器	自制	温控范围: -5~80 ℃
		直流电压: 24 V
		功耗: 120 W

Table 2. Terminal equipment parameters

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目标编号	砷化镓	金色保温膜	碳纤维板	Si	置信度 /%
1	0.069 6	0.744 6	0.185 7	-	84.669 2
2	-	0.783 9	0.216 1	-	80.436 8
3	0.151 9	0.779 4	0.068 7	-	84.097 5
4	0.169 9	0.590 2	0.239 9	-	82.818 8
5	-	0.706 4	-	0.293 6	82.579 9
6	-	0.449 1	-	0.550 9	79.590 9

Table 3. 6 space targets statistics of inversion results

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