Numerical simulations on radiation properties of combined-oscillator antenna

wang jian-guo; tian chun-ming; xia hong-fu; ge de-biao; 

Volume 17 Issue 04

Apr. 2005

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Article Navigation > High Power Laser and Particle Beams > 2005 > 17(04): 0-

Yang Wei, Hui Haohao, Ma Hongju, et al. KDP crystal antireflective coatings prepared by spin coating method[J]. High Power Laser and Particle Beams, 2013, 25: 3348-3352. doi: 3348

Citation:

wang jian-guo, tian chun-ming, xia hong-fu, et al. Numerical simulations on radiation properties of combined-oscillator antenna[J]. High Power Laser and Particle Beams, 2005, 17.

Yang Wei, Hui Haohao, Ma Hongju, et al. KDP crystal antireflective coatings prepared by spin coating method[J]. High Power Laser and Particle Beams, 2013, 25: 3348-3352. doi: 3348

Citation:

wang jian-guo, tian chun-ming, xia hong-fu, et al. Numerical simulations on radiation properties of combined-oscillator antenna[J]. High Power Laser and Particle Beams, 2005, 17.

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Numerical simulations on radiation properties of combined-oscillator antenna

1.
Northwest Institute of Nuclear Technology,P.O.Box 69-15,Xi'an 710024,China;
2.
School of Electronic and Information Engineering,Xi'an Jiaotong University,Xi'an 710049,China;
3.
Department of Physics,Xidian University,Xi'an 710071,China

Publish Date: 2005-04-15

Abstract

Abstract

This paper discusses the combined-oscillator (CO) antenna which is composed of an electric monopole and a magnetic oscillator. The finite-difference time-domain method is applied to simulate the radiation properties of the CO antenna. The efficiency of feeding from the coaxial line to the antenna is calculated. The feeding efficiencies are 65% and 81% for the mono polar and bipolar pulse excitations. The numerical results of the voltage standing-wave ratio, radiated near- and far-fields, and energy patterns are presented. The numerical simulation results demonstrate that the H-plane pattern is symmetrical about the axis with the cardiac type, and the E-plane pattern is not symmetrical about the axis with an up-shift of 15°.This kind of antenna has the broad band property and high feeding
- ultrawide band electromagnetic pulse,
- combined-oscillator,
- antenna,
- energy pattern,
- finite-difference time-domain

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