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Instrument design and forward modeling of near-space wind and temperature sensing interferometer
Alternative Title20203509096421
He, Wei-Wei1; Wu, Kui-Jun2; Fu, Di3; Wang, Hou-Mao4; Li, Juan3
Source PublicationGuangxue Jingmi Gongcheng/Optics and Precision Engineering
2020
Volume28Issue:8Pages:1678-1689
DOI10.3788/OPE.20202808.1678
ISSN1004924X
Language中文
KeywordAbsorption spectroscopy - Geophysics - Ionosphere - Michelson interferometers - Optical systems - Spacecraft instruments - Temperature measurement - Temperature sensors - Uncertainty analysis Atmosphere radiation - Atmospheric physics - Forward simulation - Infrared focal planes - Instrument designs - Lower thermosphere - Measurement accuracy - Temperature sensing
AbstractWind and temperature measurements in near-space (20-100 km) play a prominent part in the development of atmospheric physics and space science, which are of considerable academic and application value. The atmospheric wind and temperature fields in the stratosphere, mesosphere, and lower thermosphere (40-80 km) can be simultaneously detected using the wide-angle Michelson interferometer with the radiation source observation of the limb-viewing O2(a1Δg) airglow near 1.27 μm. Hence, a near-space wind and temperature sensing interferometer was designed in this study, and its modeling and forward simulation were conducted. Based on the characteristics of the radiation spectrum and principle of spectral line selection, two sets of different intensity lines were employed for wind and temperature detection.The weak group was used for low altitude measurement to avoid the influence of self absorption on the measurement results; the strong line was used for high altitude detection to achieve high measurement accuracy. The forward model was composed of the system parameters of atmosphere radiation transmission module, Michelson interferometer module, filter module, optical system, sensor array, and infrared focal plane. Through forward modeling, the limb-viewing image was obtained, and the uncertainty of wind velocity and temperature measurement was analyzed. The numerical simulation results show that the wind measurement accuracy is 1-3 m/s and temperature measurement accuracy is 1-3 K in the height range of 40-80 km, which meet the requirements of wind temperature detection accuracy in adjacent space. © 2020, Science Press. All right reserved.
Indexed ByEI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7480
Collection中国科学院国家空间科学中心
Affiliation1.City College, Wuhan University of Science and Technology, Wuhan; 430083, China;
2.Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan; 430071, China;
3.Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China;
4.National Space Science Center, Chinese Academy of Sciences, Beijing; 100190, China
Recommended Citation
GB/T 7714
He, Wei-Wei,Wu, Kui-Jun,Fu, Di,et al. Instrument design and forward modeling of near-space wind and temperature sensing interferometer[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2020,28(8):1678-1689.
APA He, Wei-Wei,Wu, Kui-Jun,Fu, Di,Wang, Hou-Mao,&Li, Juan.(2020).Instrument design and forward modeling of near-space wind and temperature sensing interferometer.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,28(8),1678-1689.
MLA He, Wei-Wei,et al."Instrument design and forward modeling of near-space wind and temperature sensing interferometer".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 28.8(2020):1678-1689.
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