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1. 长春理工大学 光电工程学院,吉林 长春,130022
2. 吉林省光电测控仪器工程技术研究中心, 吉林 长春 130022
3. 航天系统仿真重点实验室, 北京 100000
纸质出版日期:2017-10-5,
收稿日期:2017-5-30,
修回日期:2017-6-15,
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徐达, 张国玉, 孙高飞等. 基于数字微镜的光谱可调星模拟器光源系统[J]. 发光学报, 2017,38(10): 1384-1390
XU Da, ZHANG Guo-yu, SUN Gao-fei etc. Spectrally Tunable Star Simulator Light Source Based on Digital Micro-mirror Device[J]. Chinese Journal of Luminescence, 2017,38(10): 1384-1390
徐达, 张国玉, 孙高飞等. 基于数字微镜的光谱可调星模拟器光源系统[J]. 发光学报, 2017,38(10): 1384-1390 DOI: 10.3788/fgxb20173810.1384.
XU Da, ZHANG Guo-yu, SUN Gao-fei etc. Spectrally Tunable Star Simulator Light Source Based on Digital Micro-mirror Device[J]. Chinese Journal of Luminescence, 2017,38(10): 1384-1390 DOI: 10.3788/fgxb20173810.1384.
为满足对星敏感器在各种谱线分布下对探测能力的高精度标定,提出了一种基于数字微镜的星模拟器光源系统设计方案,在一定程度上解决了由星模拟器与星敏感器观星的色温不匹配对星敏感器光信号定标精度产生的问题。从理论上分析了光谱不匹配影响定标精度的原理,设计了基于数字微镜器件的光谱可调的恒星光谱模拟系统。采用遗传算法作为光谱匹配,通过遗传算法求解不同的光谱构造函数实现对不同光谱的模拟。最后分别对5 nm分辨率和20 nm分辨率的光谱模拟系统在3900,4800,6500 K 3种色温下进行了测试。测试结果表明,该星模拟器的恒星光谱模拟精度在5 nm分辨率下优于2%,在20 nm分辨率下优于5%。
In order to satisfy the high precision calibration of the detection capability of the star sensor under various spectral distribution
a design method of star simulator light source system based on digital micro-mirror device was proposed
and the issue of star sensor optical signal calibration precision caused by the mismatching between star simulator's color temperature and star sensor's detecting color temperature was partly solved. The principle of how color temperatures mismatching affected the calibration accuracy was analyzed
and a spectral tunable stellar spectrum simulation system based on digital micro-mirror device was designed. The genetic algorithm was used to perform spectral matching
and different spectral constructors were solved by the genetic algorithm to achieve the simulation of different spectra. Finally
the simulation system was simulated by three kinds of color temperature of 3900
4800 and 6500 K at the spectral resolution of 5 nm and 20 nm. The simulation results show that the accuracy of the star spectrum is better than 2% at the spectral resolution of 5 nm and better than 5% at the spectral resolution of 20 nm.
星模拟器光谱匹配光谱可调地面标定遗传算法
star simulatorspectrum matchingspectrum tunableground calibrationgenetic algorithm
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