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研究生: 陳威名
Wea-Ming Chen
論文名稱: ITS30-LITN觀測電離層不規則體閃爍現象
指導教授: 蔡龍治
Lung-Chih Tsai
口試委員:
學位類別: 碩士
Master
系所名稱: 地球科學學院 - 太空科學研究所
Graduate Institute of Space Science
畢業學年度: 94
語文別: 中文
論文頁數: 84
中文關鍵詞: 閃爍現象不規則體福衛三號電離層斷層掃描
外文關鍵詞: COSMIC, LITN, ITS30, scintillation, irregularity
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  • 摘要
    本論文對於台灣地區利用ITS30(Ionospheric Tomography System)電離層斷層掃描系統衛星資料接收站所建立之低緯電離層斷層掃描系統,觀測電離層電子密度分佈,運用衛星觀測技術以獲得相對斜向全電子含量(TEC)資料,以及由訊號的強度所得到的閃爍指數S4 index, 進而研究電離層結構及電子濃度的變化,並將閃爍現象的強度變化與衛星軌道投影作套合,畫出不規則體的時間與空間上的分布情況,可以進一步去判斷不規則體所在的位置,若所接收資料時間較為密集,在距離相近的位置出現閃爍的情況,將有機會去判斷不規則體移動的方向,探討因電離層不規則體所造成的電離層閃爍效應。


    Abstract
    In this study , we measure slant relative TEC and scintillation ( S4 index ) using the Low-latitude Ionospheric Tomography Network ( LITN ) system has been which established since 2005
    and been used to study ionosphere structure and irregularity.
    We can combine S4 spatial profile and the satellite orbit projection to obtain both temporal and spatial distribution of irregularity, and moreover, to know the irregularity dynamics. Atlast, detail discussion of scintillation appears amount from the
    ionosphere irregularity.

    目錄 中文摘要.............................................................i 英文摘要.............................................................ii 目錄.................................................................iii 圖表目錄.............................................................v 第一章緒論 1-1 前言.............................................................1 1-2 研究動機.........................................................2 1-3 電離層簡介.......................................................3 1-4 過去相關之研究...................................................5 第二章相關理論 2-1 差分都卜勒技術簡介...............................................8 2-2 電離層電腦斷層掃描簡介...........................................11 2-3 閃爍理論簡介.....................................................14 第三章ITS30接收儀器說明及系統架構 3-1 ITS30衛星資料接收系統............................................21 3-2 ITS30接收衛星種類................................................23 3-2-1 福爾摩沙衛星三號資料簡介.......................................25 3-3 ITS30系統硬體設備................................................32 3-4 ITS30系統控制軟體架構............................................37 3-5 ITS30系統架設與操作步驟..........................................49 第四章ITS30觀測資料處理與分析討論 4-1 ITS30觀測資料處理................................................51 4-2 ITS30觀測資料分析討論............................................52 第五章結論與未來展望 5-1 結論.............................................................80 5-2 未來展望.........................................................82 參考文獻.............................................................83 附錄

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