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A Tiny Fabry–Perot Interferometer with Postpositional Filter for Measurement of the Thermospheric Wind

Autorzy
Wybrane pełne teksty z tego czasopisma
Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
A tiny and low-cost ground-based Fabry–Perot interferometer (FPI) was designed using a filter behind etalon and Galilean telescope system for the thermospheric wind observation with OI 630.0 nm nightglow emissions (~250 km). Based on the instrument, experiments were carried out at Langfang (39.40° N, 116.65° E) site for a rough comparison and Kelan (38.71° N, 111.58° E) site for a detailed validation. Wind results of Langfang experiment are well consistent with measurements of two other FPIs deployed at Xinglong (40.40° N, 117.59° E) and Kelan which are retrieved by the American National Center for Atmospheric Research (A-NCAR). In Kelan experiment, the averaged wind deviation between our FPI and A-NCAR FPI is 11.8 m/s. The averaged deviation of wind measurement error between them is 2.9 m/s. The comparisons suggest good agreement. Then, the analysis of influencing factors was made. The center determination offset has an exponential relation with wind deviation, while the radius calculation offset is linear with wind deviation.
Czasopismo
Rocznik
Strony
2748--2760
Opis fizyczny
Bibliogr. 25 poz.
Twórcy
autor
  • National Space Science Center, Chinese Academy of Sciences, Beijing, China
  • University of Chinese Academy of Sciences, Beijing, China
autor
  • National Space Science Center, Chinese Academy of Sciences, Beijing, China
autor
  • National Space Science Center, Chinese Academy of Sciences, Beijing, China
Bibliografia
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  • Gerrard, A.J., and J.W. Meriwether (2011), Initial daytime and nighttime SOFDI observations of thermospheric winds from Fabry–Perot Doppler shift measurements of the 630-nm OI line-shape profile, Ann. Geophys. 29, 9, 1529- 1536, DOI: 10.5194/angeo-29-1529-2011.
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  • Yu, T., C. Huang, G. Zhao, T. Mao, Y. Wang, Z. Zeng, J. Wang, and C. Xia (2014), A preliminary study of thermosphere and mesosphere wind observed by Fabry–Perot over Center China, J. Geophys. Res. 119, 6, 4981-4997, DOI: 10.1002/2013JA019492.
Uwagi
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-4ab5151a-9c93-456f-80db-2eaf14c3c605
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