| 研究生: |
洪佩綺 Pei-Cii Hong |
|---|---|
| 論文名稱: |
福爾摩沙衛星五號先進電離層探測儀觀測全球離子密度分布 Global Ion Density Distributions Observed by Advanced Ionospheric Probe Onboard FORMOSAT-5 Satellite |
| 指導教授: | 趙吉光 |
| 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 |
| 論文出版年: | 2020 |
| 畢業學年度: | 108 |
| 語文別: | 中文 |
| 論文頁數: | 115 |
| 中文關鍵詞: | 先進電離層探測儀 、福爾摩沙衛星五號 、太空電漿 |
| 外文關鍵詞: | Advanced Ionospheric Probe, FORMOSAT-5, Space Plasma |
| 相關次數: | 點閱:19 下載:0 |
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福爾摩沙衛星五號(福衛五號,FORMOSAT-5)於台灣時間2017 年8 月25 日發射,運行於高度約720 公里與軌道傾角98.28 度的太陽同步軌道(繞極軌道)上,經過赤道的當地時間約為10:30 與22:30,以每兩日的飛行週期便可涵蓋全球。福衛五號搭載的科學酬載為先進電離層探測儀(Advanced Ionospheric Probe, AIP),其由中央大學研發團隊設計開發完成,以量測電離層的電漿特性。AIP 自2017/11 以來於夜側對電離層進行實地量測,其所觀測到的離子密度可建構電離層的全球離子密度分布。歷經兩年半(2017/11~2020/4)的全球離子密度分布顯示,可明確地看到赤道地區電漿密度結構(Four-peak or Three-peak Plasma Density Structure)與中緯度電漿密度帶(Mid-latitude Plasma Density Band or Enhancement)隨經度與季節而變化,佐證AIP 可準確地長期探測電離層並提供良好品質的離子密度資料。
A FORMOSAT-5 satellite has been launched on 25 August 2017 CST into a 98.28°
inclination sun-synchronous orbit at 720 km altitude along the 10:30/22:30 local time sectors.
The orbital coverage provides a great opportunity to survey terrestrial ionosphere from equatorial to polar region every two days. Advanced Ionospheric Probe (AIP) is a piggyback science payload developed by National Central University for the FORMOSAT-5 satellite to in-situ measure ionospheric plasma characteristics. The global ion density distributions observed by FORMOSAT-5/AIP in the pre-midnight sector are available since November 2017. Through the seasonal global ion density distributions from November 2017 to April 2020, longitudinal and seasonal variations of four-peak (or three-peak) plasma density structure near equator and mid-latitude plasma density bands (or enhancements) are clearly observed. It is indicated that FORMOSAT-5/AIP can provide high quality data to identify long-term ionospheric ion density variations
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