NSSC OpenIR  > 空间环境部
Alternative TitlePreliminary application of stellar occultation in the near-space
孙明晨; 涂翠; 胡雄; 宫晓艳; 郭文杰
Source Publication红外与激光工程
Keyword星光掩星 信噪比 目标星


Other Abstract

Atmospheric stellar occultation technology can detect information about the density of various trace components and atmospheric temperature and so on in the planetary atmosphere. The above parameters were obtained by using the atmospheric transmittance. An occultation model was established based on the principle of stellar occultation. The spectral absorption characteristics of gas molecules were analyzed, and then transmittance of various atmospheric components were obtained through simulating how it worked by model. The atmospheric component density was obtained by inversion of atmospheric transmittance and this model was verified through the comparison of MSISE-00. The results of the two were in good agreement. Furthermore, the signal-to-noise ratio and relative error of the spectrum were estimated, and signal-to-noise ratio and relative error about different stars were discussed, and then the range of magnitude of the target stars was given. The preliminary results show that the target stars in the range of-1.45-3.55 is used as the light source for detection, the signal-to-noise ratio is above 100, and the relative error of measurement is as low as 1%. The results of this paper provide preliminary theoretical guidance for the development of stellar occultation detection in the near-space of the Earth and other planetary. © 2019, Editorial Board of Journal of Infrared and Laser Engineering. All right reserved.

Indexed ByEI ; CSCD
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Document Type期刊论文
Recommended Citation
GB/T 7714
孙明晨,涂翠,胡雄,等. 临近空间星光掩星技术的初步应用[J]. 红外与激光工程,2019,48(9).
APA 孙明晨,涂翠,胡雄,宫晓艳,&郭文杰.(2019).临近空间星光掩星技术的初步应用.红外与激光工程,48(9).
MLA 孙明晨,et al."临近空间星光掩星技术的初步应用".红外与激光工程 48.9(2019).
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