英文摘要
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The main content of this thesis around open cavity, open cavity can effectively extract out the EM field which is caused by electron beam. Open cavity is commonly used in gyromonotron oscillator and gyroklystron amplifier. Open cavity gain energy during the electron beam pass the cavity. Because the open cavity doesn’t have obvious bound, we don’t have analytical solution most of the time. We can only use program to have data and analysis it to understand its physical meaning.
In this thesis we will introduce the model and theory of time-domain and spectral-domain. In time-domain, I discuss how variables affect the Quality factor and resonant frequency. In spectral-domain, I introduce 3 methods to measure the Quality factor. And I compare the difference between Quality factor in time-domain and spectral-domain.
Besides, we also add a mismatch load to observe how it affect Quality factor and resonant frequency.
Finally, I will simulate a new structure of open cavity. And give it a reasonable explanation.
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参考文献
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2. K. R. Chu, C. S. Kou, J. M. Chen, Y. C. Tsai, C. Cheng, S. S. Bor, and L. H. Chang. Spectral Domain Analysis of Open Cavities. International Journal of Infrared and Millimeter Waves, 13(10):1571-1598, 1992. ISSN 1572-9559. Doi:10.1007/BF01009236
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4. 盧姿穎,”開口式共振腔頻譜特性之研究”, 台灣大學碩士論文,2015.
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5. K.R. Chu, “Time Domain Analysis of Open Cavity”, 1993.
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7. J.D. Jackson, “Classical Electrodynamics”, John Wiley & Son, Inc., p.p 352-374 (1998).
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9. 張存續,陳乃慶,杜朝海,and 袁景濱.”真空電子學之磁旋管發展”, 真空科技,pages 63-70, Mar 2012
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1. C. L. Hung, Y. C. Tsai and K. R. Chu,”A Study of Open-End Cavities by the Field-Energy Method
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3. Hsiao Ting Huang , “開口式共振腔之特性探討”.
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6. K. R. Chu, “The Electron Cyclotron Maser”, Review of Modern Physics, Volume 76, April 2004
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8. Robert E Collin.” Foundations for microwave engineer”. John Wiley & Sons, 2007
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