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。

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.

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