Analysis of electron motion in case signal model for electromagnetic pulse generated by detonations in space

zhu meng; zhou hui; cheng yinhui; li baozhong; wu wei; li jinxi; ma liang; zhao mo

Volume 23 Issue 07

Sep. 2012

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(07): 0-

zhang jun, jin zhenxing, zhong huihuang, et al. Design and characteristics of C-band resonant relativistic backward-wave oscillator[J]. High Power Laser and Particle Beams, 2010, 22.

Citation:

zhu meng, zhou hui, cheng yinhui, et al. Analysis of electron motion in case signal model for electromagnetic pulse generated by detonations in space[J]. High Power Laser and Particle Beams, 2011, 23.

zhang jun, jin zhenxing, zhong huihuang, et al. Design and characteristics of C-band resonant relativistic backward-wave oscillator[J]. High Power Laser and Particle Beams, 2010, 22.

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Analysis of electron motion in case signal model for electromagnetic pulse generated by detonations in space

1.
Department of Engineering Physics,Tsinghua University,Beijing 100084,China;
2.
Northwest Institute of Nuclear Technology,Xi’an 710024,China

Publish Date: 2011-07-21

Abstract

Abstract

Applying the case signal model, a preliminary understanding of electromagnetic pulse(EMP) generated by detonations in space has been developed in this paper. Taking into account of the relativistic effects, recalculation of the formation time of the space charge limit was accomplished which suggested that once the space charge was formed, the system could be treated as in the quasi-steady situation. Based on that point, frequency of the space charge oscillations has been analytically derived and semi-numerically calculated. The results agree with each other very well. For observers in large distances, a net dipole moment can be resulted from the average movements of space charges. Calculations indicate that the peak value of the radiation signal in the far field always appears before the m
- electromagnetic pulse,
- dipole moment,
- nuclear detonation,
- case signal model

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