Parallel computation for radiation characteristics of cage antenna of radiating-wave EMP simulator

zhu xiangqin; wang jianguo; cai libing; qiao hailiang; chen zaigao

Volume 23 Issue 06

Jun. 2011

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(06): 0-

zhang mei, wang kuilu, wei fuli, et al. Time response of large-core step-index fiber transmission system with scintillator illumination[J]. High Power Laser and Particle Beams, 2009, 21.

Citation:

zhu xiangqin, wang jianguo, cai libing, et al. Parallel computation for radiation characteristics of cage antenna of radiating-wave EMP simulator[J]. High Power Laser and Particle Beams, 2011, 23.

zhang mei, wang kuilu, wei fuli, et al. Time response of large-core step-index fiber transmission system with scintillator illumination[J]. High Power Laser and Particle Beams, 2009, 21.

Citation:

zhu xiangqin, wang jianguo, cai libing, et al. Parallel computation for radiation characteristics of cage antenna of radiating-wave EMP simulator[J]. High Power Laser and Particle Beams, 2011, 23.

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Parallel computation for radiation characteristics of cage antenna of radiating-wave EMP simulator

1.
Northwest Institute of Nuclear Technology,Xi’an 710024,China;
2.
School of Electronic and Information Engineering,Xi’an Jiaotong University,Xi’an 710049,China

Publish Date: 2011-06-28

Abstract

Abstract

A parallelized finite-difference time-domain(FDTD) algorithm based on MPI platform, combined with antenna theory, is presented for analysis of the radiation characteristics of the large biconical-cylindrical cage antenna fed through the coaxial transmission line and excited by a double-exponential pulse, which can not be done on a personal computer due to long time and limited computation resources. The number of total cells for parallelized FDTD computing is about 2 billion. Numerical results show that cage antenna radius do not have a significant effect on the rise time and the peak value of the radiated electric field when the cage antenna radius is more than 3.5 m. In addition, the reflection and the loss from the ground have a great effect on the peak value and pulse width of the radi
- electromagnetic pulse,
- cage antenna,
- biconical-cylindrical,
- finite-difference time-domain method,
- parallelized

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