HFSS Simulation and Implementation of Pillbox Window
碩士 === 國立臺灣大學 === 物理學研究所 === 107 === In vacuum microwave device, Pillbox Window is the bridge between atmosphere and vacuum. We could know the information in vacuum microwave device by it. The main data of Pillbox Window needed to examine is central frequency and bandwidth. The structure and the die...
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2019
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| Online Access: | http://ndltd.ncl.edu.tw/handle/j6mg98 |
| Summary: | 碩士 === 國立臺灣大學 === 物理學研究所 === 107 === In vacuum microwave device, Pillbox Window is the bridge between atmosphere and vacuum. We could know the information in vacuum microwave device by it.
The main data of Pillbox Window needed to examine is central frequency and bandwidth. The structure and the dielectric constant of ceramic can affect them. In this experiment we make the Pillbox Window that matches and is used in the EIO plan of NTU. Therefore, the central frequency has to reach 24GHz.
The paper is divided into three parts: the principle theory, the procedure of experiment and the analysis of data.
1. The principle theory: the derivation from the field in waveguide to the impedance. And discuss the problem of discontinuous plane between rectangle waveguide and circular waveguide.
2. The procedure of experiment: from the constructor to finishing the welding. Test the vacuum and obtain the data by network analyzer.
3. The analysis of data: try to optimize from initial 1.45GHz to 2GHz.
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