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A Study on Design Verification of Radio Measurement System for Interplanetary Space  

Jeong, Cheol-Oh (한국전자통신연구원 위성시스템연구팀)
Park, Jae-Woo (한국전자통신연구원 위성시스템연구팀)
Publication Information
Journal of Satellite, Information and Communications / v.6, no.2, 2011 , pp. 97-101 More about this Journal
Abstract
Interplanetary space between Sun and Earth is area of flowing very fast solar wind which is contained X ray, flare, corona mass, etc. occurred Sun surface to Earth. This solar wind is affected directly to Earth magnetosphere and ionosphere so that this bring out broadcasting and communication interruptions, satellite operation obstacles and power gird defects and etc..Solar wind flow in interplanetary space is measured as solar wind speed, density and direction by measuring scintillation value to be produced during radio source is passed through solar wind. The wider effective collective areas and the more radio sources, accuracy of solar wind measuring is got higher. Function test was performed using 3 tiles which was manufactured as prototype. Restriction of quantity of tiles, test was performed to confirm whether measured beam pattern is complied with requirement or not. In this paper, it is shown design and their specification of ground interplanetary radio measurement system as well as technical issues and resolutions which were raised during design phase. Also result of function verification test using prototype is suggested. It is confirmed that measured beam pattern was met with requirement.
Keywords
행성 간 공간;태양풍, 전파원;유효집광면적;관측소스;관측시스템;
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