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According to the experiment, we analyze the propagation process of the electromagnetic wave on the pulse forming line with water-dielectric, which is the long pulse high power microwave-driven source. And then an equivalent method of discharge process is put forward to study the cause of the flattop waveform distortion. We ind the relationship between the variation trend of the output flattop waveform and the voltage waveform on the pulse forming line, which is validated through the Pspice simulation. By adjusting the breakover time of laser triggered switch, we obtain an output pulse with a flattop of 60 ns, FWHM (full width of half maximum) of 150 ns and voltage amplitude of several hundred kV, showing the distinct improvement on the flattop waveform.
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Keywords:
- pulse forming line (PFL) /
- high power microwave (HPM) /
- equivalent analysis /
- flattop waveform distortion
[1] Fang J Y, Liu G Z, Li P, Wang H J, Huang W H 1999 High Power Laser and Particle Beams 11 639( in Chinese)[方进勇、 刘国治、丽 萍、王宏军、黄文华 1999 强激光与粒子束 11 639] 〖2] Liu G Z, Liu J Y, Huang W H, Zhou J S, Song X X, Ning H 2000 Chin. Phys. 9 757
[2] Korovin S D, Gubanov V P, Gunin A V, Pegel I V, Stepchenko A S 2001 IEEE International Conference on Pulsed Power Plasma Science p1249
[3] Gubanov V P, Gunin A V, Korovin S D, Stepchenko A S 2001 IEEE International Conference on Pulsed Power Plasma Science p336
[4] Huang H, Fan Z K, Tan J, Ma Q S, Gan Y Q, Chang A B 2004 Acta Phys. Sin. 53 1129(in Chinese)[黄 华、范植开、谭 杰、马乔生、甘延青、常安碧 2004 53 1129 ]
[5] Huang H, Luo X, Lei L R, Luo G Y, Zhang B Z, Jin X, Tan J 2010 Acta Phys. Sin. 59 1907(in Chinese)[黄 华、罗 雄、雷禄容、罗光耀、张北镇、金 晓、谭 杰 2010 59 1907 ]
[6] Wang G P, Chang A B, Xiang F, Tan J 2009 High Power Laser and Particle Beams 21 477(in Chinese)
[7] Kim A A, Kovalchuk B M, Bastrikov A N, Durakov V G 2001 IEEE International Conference on Pulsed Power Plasma Science p433
[8] Yang J H, Zhong H H, Shu T, Zhang J D, Liu J L, Feng J H, Zhou X 2005 High Power Laser and Particle Beams 17 1191(in Chinese)[杨建华、钟辉煌、舒 挺、张建德、刘金亮、冯加怀、周 相 2005 强激光与粒子束 17 1191]
[9] Liu X S 2005 High Pulsed Power Technology (Beijing: National Defence Industrial Press) p129 (in Chinese)[刘锡三 2005 高功率脉冲技术 (北京:国防工业出版社) 第129页]
[10] Wang Y 1991 High Power Pulsed Power Supply (Beijing: Atomic Energy Press) p52 (in Chinese)[王莹 1991高功率脉冲电源 (北京: 原子能出版社) 第52页]
[11] Xiang F, Tan J, Zhang Y H, Wang G P, Luo M, Cao S Y, Kang Q, Gong S G, Luo G Y, Li C X, Jin H, Zhang B Z 2010 Acta Phys. Sin. 59 4620(in Chinese)[向 飞、谭 杰、张永辉、王淦平、罗 敏、曹绍云、康 强、龚胜刚、罗光耀、李春霞、金 晖、张北镇 2010 59 4620]
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[1] Fang J Y, Liu G Z, Li P, Wang H J, Huang W H 1999 High Power Laser and Particle Beams 11 639( in Chinese)[方进勇、 刘国治、丽 萍、王宏军、黄文华 1999 强激光与粒子束 11 639] 〖2] Liu G Z, Liu J Y, Huang W H, Zhou J S, Song X X, Ning H 2000 Chin. Phys. 9 757
[2] Korovin S D, Gubanov V P, Gunin A V, Pegel I V, Stepchenko A S 2001 IEEE International Conference on Pulsed Power Plasma Science p1249
[3] Gubanov V P, Gunin A V, Korovin S D, Stepchenko A S 2001 IEEE International Conference on Pulsed Power Plasma Science p336
[4] Huang H, Fan Z K, Tan J, Ma Q S, Gan Y Q, Chang A B 2004 Acta Phys. Sin. 53 1129(in Chinese)[黄 华、范植开、谭 杰、马乔生、甘延青、常安碧 2004 53 1129 ]
[5] Huang H, Luo X, Lei L R, Luo G Y, Zhang B Z, Jin X, Tan J 2010 Acta Phys. Sin. 59 1907(in Chinese)[黄 华、罗 雄、雷禄容、罗光耀、张北镇、金 晓、谭 杰 2010 59 1907 ]
[6] Wang G P, Chang A B, Xiang F, Tan J 2009 High Power Laser and Particle Beams 21 477(in Chinese)
[7] Kim A A, Kovalchuk B M, Bastrikov A N, Durakov V G 2001 IEEE International Conference on Pulsed Power Plasma Science p433
[8] Yang J H, Zhong H H, Shu T, Zhang J D, Liu J L, Feng J H, Zhou X 2005 High Power Laser and Particle Beams 17 1191(in Chinese)[杨建华、钟辉煌、舒 挺、张建德、刘金亮、冯加怀、周 相 2005 强激光与粒子束 17 1191]
[9] Liu X S 2005 High Pulsed Power Technology (Beijing: National Defence Industrial Press) p129 (in Chinese)[刘锡三 2005 高功率脉冲技术 (北京:国防工业出版社) 第129页]
[10] Wang Y 1991 High Power Pulsed Power Supply (Beijing: Atomic Energy Press) p52 (in Chinese)[王莹 1991高功率脉冲电源 (北京: 原子能出版社) 第52页]
[11] Xiang F, Tan J, Zhang Y H, Wang G P, Luo M, Cao S Y, Kang Q, Gong S G, Luo G Y, Li C X, Jin H, Zhang B Z 2010 Acta Phys. Sin. 59 4620(in Chinese)[向 飞、谭 杰、张永辉、王淦平、罗 敏、曹绍云、康 强、龚胜刚、罗光耀、李春霞、金 晖、张北镇 2010 59 4620]
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