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A general equivalent model for slow-wave structure is established in this paper, if the unit cell of the periodic slow-wave structures is represented by a three-port network and the parameters of the equivalent model are determined by a high frequency structural simulator. In this method, there is no need to find a complicated equivalent circuit, and the fields in the tunnels can be calculated by the high frequency software directly. Therefore, the three-port network model is simpler than the analytic method and no more complex than the common equivalent circuit model. A one-dimensional nonlinear beam-wave interaction theory suitable for the folded-waveguide traveling wave tubes (TWTs) is accomplished based on the three-port network model. And a one-dimensional nonlinear beam-wave interaction code, which complies with the MATLAB language, is used to simulate a folded-waveguide TWT. The difference between the results obtained from the code and the experimental data is less than 10%. This theory can be used in the design of novel folded-waveguide TWTs and research on nonlinear simulations.
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Keywords:
- folded-waveguide /
- traveling wave tubes /
- three-port network /
- beam-wave interaction
[1] Antonsen T M, Vlasov A N, Chernin D P, Chernyavskiy I A, Levush B 2013 IEEE Trans. Electron Dev. 60 2906
[2] Liu S K 1995 Int. J. Infrared Milli. Waves 16 809
[3] Liu S K 2000 Int. J. Infrared Milli. Waves 21 655
[4] Na Y H, Chung S W, Choi J J 2002 IEEE Trans. Plasma Sci. 30 1017
[5] Booske J H, Converse M C, Kory C L, Chevalier C T, Gallagher D A, Kreischer K E, Heinen V O, Bhattacharjee S 2005 IEEE Trans. Electron Dev. 52 685
[6] Cooke S J, Mondelli A A, Levush B, Antonsen T M, Chernin D P, McClure T H, Whaley D R, Basten M 2000 IEEE Trans. Plasma Sci. 28 841
[7] Yin H R, Xu J, Yue L N, Gong Y B, Wei Y Y 2012 Acta Phys. Sin. 61 244106 (in Chinese) [殷海荣, 徐进, 岳玲娜, 宫玉彬, 魏彦玉 2012 物理学报 61 244106]
[8] Peng W F, Hu Y L, Cao Z, Yang Z H 2013 Prog. Electromagn. Res. M 28 73
[9] Chernin D, Antonsen T M, Vlasov A N, Chernyavskiy I A, Nguyen K T, Levush B 2014 IEEE Trans. Electron Dev. 61 1699
[10] Kosmahl H G, Branch G M 1973 IEEE Trans. Electron Dev. 20 621
[11] Hu Y L, Yang Z H, Li J Q, Li B, Gao P, Jin X L 2009 Acta Phys. Sin. 58 6665 (in Chinese) [胡玉禄, 杨中海, 李建清, 李斌, 高鹏, 金晓林 2009 物理学报 58 6665]
[12] Peng W F, Hu Y L, Yang Z H, Li J Q, Lu Q R, Li B 2011 Chin. Phys. B 20 078401
[13] Lai J Q, Wei Y Y, Liu Y, Huang M Z, Tang T, Wang W X, Gong Y B 2012 Chin. Phys. B 21 068403
[14] Curnow H J 1965 IEEE Trans. Microw. Theory Tech. 13 671
[15] Kino G S, Hiramatsu Y, Harman W A, Ruetz J A 1967 Microwave and Optical Generation and Amplification (London: Institution of Electrical Engineers) p49
[16] Bai C J, Li J Q, Hu Y L, Yang Z H, Li B 2012 Acta Phys. Sin. 61 178401 (in Chinese) [白春江, 李建清, 胡玉禄, 杨中海, 李斌 2012 物理学报 61 178401]
[17] Hu Y F, Feng J J, Cai J, Du Y H, Tang Y, Wu X P 2011 IEEE International Vacuum Electronics Conference Bangalore, India, February 21-24, 2011 p21
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[1] Antonsen T M, Vlasov A N, Chernin D P, Chernyavskiy I A, Levush B 2013 IEEE Trans. Electron Dev. 60 2906
[2] Liu S K 1995 Int. J. Infrared Milli. Waves 16 809
[3] Liu S K 2000 Int. J. Infrared Milli. Waves 21 655
[4] Na Y H, Chung S W, Choi J J 2002 IEEE Trans. Plasma Sci. 30 1017
[5] Booske J H, Converse M C, Kory C L, Chevalier C T, Gallagher D A, Kreischer K E, Heinen V O, Bhattacharjee S 2005 IEEE Trans. Electron Dev. 52 685
[6] Cooke S J, Mondelli A A, Levush B, Antonsen T M, Chernin D P, McClure T H, Whaley D R, Basten M 2000 IEEE Trans. Plasma Sci. 28 841
[7] Yin H R, Xu J, Yue L N, Gong Y B, Wei Y Y 2012 Acta Phys. Sin. 61 244106 (in Chinese) [殷海荣, 徐进, 岳玲娜, 宫玉彬, 魏彦玉 2012 物理学报 61 244106]
[8] Peng W F, Hu Y L, Cao Z, Yang Z H 2013 Prog. Electromagn. Res. M 28 73
[9] Chernin D, Antonsen T M, Vlasov A N, Chernyavskiy I A, Nguyen K T, Levush B 2014 IEEE Trans. Electron Dev. 61 1699
[10] Kosmahl H G, Branch G M 1973 IEEE Trans. Electron Dev. 20 621
[11] Hu Y L, Yang Z H, Li J Q, Li B, Gao P, Jin X L 2009 Acta Phys. Sin. 58 6665 (in Chinese) [胡玉禄, 杨中海, 李建清, 李斌, 高鹏, 金晓林 2009 物理学报 58 6665]
[12] Peng W F, Hu Y L, Yang Z H, Li J Q, Lu Q R, Li B 2011 Chin. Phys. B 20 078401
[13] Lai J Q, Wei Y Y, Liu Y, Huang M Z, Tang T, Wang W X, Gong Y B 2012 Chin. Phys. B 21 068403
[14] Curnow H J 1965 IEEE Trans. Microw. Theory Tech. 13 671
[15] Kino G S, Hiramatsu Y, Harman W A, Ruetz J A 1967 Microwave and Optical Generation and Amplification (London: Institution of Electrical Engineers) p49
[16] Bai C J, Li J Q, Hu Y L, Yang Z H, Li B 2012 Acta Phys. Sin. 61 178401 (in Chinese) [白春江, 李建清, 胡玉禄, 杨中海, 李斌 2012 物理学报 61 178401]
[17] Hu Y F, Feng J J, Cai J, Du Y H, Tang Y, Wu X P 2011 IEEE International Vacuum Electronics Conference Bangalore, India, February 21-24, 2011 p21
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