應用福爾摩沙衛星三號觀測資料於電漿層垂直全電子含量分析

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姓名

呂俊賢(Chun-hsien Lu) 查詢紙本館藏

畢業系所

太空科學研究所

論文名稱

應用福爾摩沙衛星三號觀測資料於電漿層垂直全電子含量分析
(Applying the FORMOSAT-3 observation data to analyze distribution of the plasmasphere vertical total electron content)

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摘要(中)

本論文以福衛三號精密軌道定位天線觀測資料分析電漿層垂直全電子含量分佈情形。我們使用了SPIM模式探討電離層與電漿層的分界約在距地表兩千多公里的高度，並且利用TWIM模式對原始資料做修正。根據修正後的資料發現電漿層之垂直全電子含量無顯著之日夜變化情形，而與電離層相比，電漿層垂直全電子含量遠較其低。
　　由資料繪圖結果分析得知，電漿層之垂直全電子含量分佈特性為：約4-6TECU分佈在地理緯度60度以下之中低緯地區、約2TECU分佈在地理緯度60度以上之高緯地區。

摘要(英)

This thesis analyzes distribution of the plasmasphere vertical total electron content (VTEC) using Precise Orbit Determination (POD) antennas onboard the FORMOSAT-3/COSMIC (F3/C) satellites. We used Standard Plasmasphere - Ionosphere Model (SPIM) to investigate the boundary between the ionosphere and the plasmasphere and concluded that the boundary is about 2000km above the ground. We also employed the TaiWan Ionospheric Model (TWIM) to remove the TEC parts (<~ 2000km). Based on the VTEC data after correction, we discovered that there is no apparent diurnal variation of VTEC in the plasmasphere, whose magnitude is far less than that of the ionosphere.
　　We can further conclude that the characteristic of the plasmaspheric VTEC distribution is about 4-6 TECU in geographic mid-latitude (<60ﾟ) and is about 2 TECU in the rest of high-latitude region.

關鍵字(中)

★ 福爾摩沙衛星三號
★ 全電子含量
★ 電漿層

關鍵字(英)

★ FORMOSAT-3/COSMIC
★ total electron content
★ plasmasphere

論文目次

摘要................................................i
Abstract...........................................ii
誌謝................................................iii
目錄................................................iv
圖目錄...............................................v
表目錄...............................................viii
第一章緒論..........................................1
1-1 研究背景..........................................1
1-2 磁層及電漿層簡介...................................2
1-3 電離層簡介........................................7
1-4 論文內容概述......................................10
第二章應用福爾摩沙衛星三號於電漿層觀測...................11
2-1 福爾摩沙衛星三號系統簡介............................11
2-2 福衛三號POD全電子含量觀測..........................16
2-3 福衛三號POD觀測全電子含量原理.......................19
第三章應用SPIM與TWIM數值模式於福衛三號電漿層觀測比較......23
3-1 SPIM模式........................................23
3-2 臺灣自主電離層數值模式(TWIM).......................28
3-3 SPIM與TWIM數值模式可用性評估.......................32
第四章資料處理與結果.................................36
4-1 資料選取.........................................36
4-2 福衛三號POD VTEC觀測結果..........................40
4-3 運用SPIM探討電離層與電漿層之分界....................50
4-4 利用TWIM模式消除POD VTEC電離層影響評估..............53
第五章結論與未來展望.................................68
5-1 結論............................................68
5-2 未來展望.........................................70
參考文獻.............................................71
附錄一..............................................73
附錄二..............................................75

參考文獻

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[17] 黃俊穎，運用臺灣自主電離層數值模式研究電離層赤道異常現象，國立中央大學，太空科學研究所，碩士論文，2009。
[18] 陳朝焱，利用福爾摩沙衛星三號觀測電漿層，國立中央大學，太空科學研究所，碩士論文，2009。

指導教授

蔡龍治(Lung-chih Tsai)

審核日期

2012-7-21

推文