Research on the lunar ionosphere using dual-frequency radio occultation with a small VLBI antenna

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• 作者：Zhen Wang (1) (2)
  Na Wang (1)
  Jinsong Ping (2)
  
  1. Key Laboratory of Radio Astronomy ; Xinjiang Astronomical Observatory ; Chinese Academy of Sciences ; 150 ; Science 1-Street ; Urumqi ; Xinjiang ; 830011 ; China
  2. Key Laboratory of Lunar and Deep Space Exploration ; National Astronomical Observatories ; Chinese Academy of Sciences ; Beijing ; 100012 ; China
  
• 关键词：Total electron content ; Lunar ionosphere ; SELENE
• 刊名：Astrophysics and Space Science
• 出版年：2015
• 出版时间：April 2015
• 年：2015
• 卷：356
• 期：2
• 页码：225-230
• 全文大小：2,264 KB
• 参考文献：1. Ando, H., Imamura, T., Nabatov, A. (2012) Dual-spacecraft radio occultation measurement of the electron density near the lunar surface in SELENE. J. Geophys. Res. 117:
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• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Astronomy
  
• 出版者：Springer Netherlands
• ISSN：1572-946X

文摘

The Vstar in the Japanese lunar SELENE Radio Science experiment was occulted by virtue of the lunar ionosphere. Using the single sub-satellite and the S/X band coherent radio waves, dual-frequency measurements were acquired at a ground receiving station. In order to investigate the variation of ionospheric total electron content (TEC) surrounding the moon, the TEC, including the terrestrial ionosphere, the interplanetary plasma and lunar ionosphere, can be derived from the phase information of the observational data. We update the observation equation and algorithms, calculate the linear fitting trend of the lunar ionosphere from 60 to 30 km above the surface of the moon. The fitting trend is extended from 30 to 0 km above the surface of the moon. The lunar ionosphere is obtained by using the short time trend extrapolation method.