博碩士論文 986203017 詳細資訊


姓名 沈裕德(Yu-Te Shen)  查詢紙本館藏   畢業系所 太空科學研究所
論文名稱 電子溫度儀在太空電漿模擬艙之量測
(The measurement of the electron temperature probe in the space plasma simulation chamber)
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摘要(中) 為了了解電離層的自然現象,透過實地量測取得環境參數為一重要方法。又因電離層中除了中性氣體之外,還有電漿的存在,因此電漿中的電子溫度與濃度為重要的參數資訊。本論文之目的為自製一組電子溫度儀,作為應用在太空環境中(例如電離層)的電漿電子溫度量測儀器。此外,藉由國立中央大學太空科學研究所的太空電漿模擬艙,進行測試與量測,並將量測所得的資訊,進行分析與討論。因實驗室的電漿產生機制,使得艙體內部的電漿包含兩種能量種類的電漿,在此環境之下,是否會影響電子溫度儀的量測也是探討的部分。實驗結果顯示,電子溫度儀在量測時須詳加考慮動態電漿阻抗及周遭設置的相關儀器,皆有可能造成量測誤差。 最後,在電路設計或者資料分析時須特別注意訊號源的產生與電漿的阻抗匹配,量測的電子溫度會因此而有所差異。
摘要(英) In order to understand the phenomena in the ionosphere, one of the important methods is the in-situ measurement which acquires plasma parameters directly from the plasma. There is existence of both neutral gas and space plasma in the ionosphere, making electron temperature and density important parameters. The purpose of this thesis is to develop an electron temperature probe which can be applied to measure plasma electron temperatures in space environments such as the ionosphere. By using the space plasma simulation chamber located at the Institute of Space Science, National Central University, electron temperature probe experiments were carried out. Data was recorded for further analysis and discussion. The effects of the two different energy species of plasma produced by the diffusion mechanism of the space plasma simulation chamber made to the measurements were discussed. The results implied the electron temperature probe is sensitive to the plasma dynamic impedance and other nearby instrumentations. Lastly, it is shown that the generation of the sweeping voltage and impedance matching with the plasma made differences to the measurements of electron temperatures.
關鍵字(中) ★ 太空電漿
★ 電子溫度儀
★ 電漿量測
關鍵字(英) ★ Electron temperature probe
★ Space Plasma
★ Plasma Diagnostics
論文目次 摘要 i
Abstract ii
誌謝 iii
目錄 iv
圖目錄 vi
表目錄 viii
第一章 簡介 1
1-1電離層 1
1-2電子溫度儀回顧 3
第二章 儀器原理與設計 4
2-1電極 8
2-2前置處理區 9
2-3訊號擷取與控制系統 19
第三章 實驗環境與架構 23
3-1太空電漿模擬艙 23
3-2電漿產生裝置 25
3-3真空旋轉平台 27
3-4監測系統 29
第四章 實驗結果與討論 31
4-1實驗環境與參數設定 31
4-2實驗結果 34
4-3討論 40
第五章 結論 47
參考文獻 48
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胡紹賢,太空電漿探針系統,碩士論文,2007
林再文,太空離子探測系統,碩士論文,2010
指導教授 趙吉光(Chi-Kuang Chao) 審核日期 2011-7-20
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