Preliminary analysis of electromagnetic pulse generated by nuclear explosions in space with case signal model

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

Volume 23 Issue 10

Nov. 2011

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(10): 0-

fang jinyong, zhang zhiqiang, huang wenhua, et al. High power microwave vulnerability estimation model of integrated circuit[J]. High Power Laser and Particle Beams, 2009, 21.

Citation:

zhu meng, zhou hui, cheng yinhui, et al. Preliminary analysis of electromagnetic pulse generated by nuclear explosions in space with case signal model[J]. High Power Laser and Particle Beams, 2011, 23.

fang jinyong, zhang zhiqiang, huang wenhua, et al. High power microwave vulnerability estimation model of integrated circuit[J]. High Power Laser and Particle Beams, 2009, 21.

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Preliminary analysis of electromagnetic pulse generated by nuclear explosions in space with case signal model

1.
Department of Engineering Physics,Tsinghua University,Beijing 100084,China;
2.
Northwest Institute of Nuclear Technology,P.O.Box 69-10,Xi’an 710024,China

Publish Date: 2011-10-15

Abstract

Abstract

A preliminary understanding of electromagnetic pulse generated by nuclear explosions in space has been developed with case signal model. For observers in large distances, a net dipole can be resulted from the average movements of space charges. Based on the law of electron movements, the electric dipole moment of the whole system has been analytically described. The radiation fields are closely related to the derivatives of the dipole moment with time. The peak value of radiation signal in far field increases linearly with the initial kinetic energies of electrons, and quadratically with the radius of bomb and with the rise time constant. The peak is irrelevant to explosion yield, while the peak time will be postponed as the yield decreases.
- electromagnetic pulse,
- electric dipole moment,
- nuclear explosion,
- case signal model

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