Simulation and design of electric-magnetic vibrator combined antenna for radiation of wideband high power microwave

Song Heng; Chen Dongqun; Wang Yuwei; Li Da; Lv Yankui

doi:10.11884/HPLPB201628.033027

Volume 28 Issue 03

Jan. 2016

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Article Navigation > High Power Laser and Particle Beams > 2016 > 28(03): 033027

Xiao Chengjian, Chen Xiaojun, Gong Yu, et al. Out-of-pile tritium release of LiAlO2 pebble[J]. High Power Laser and Particle Beams, 2015, 27: 016005. doi: 10.11884/HPLPB201527.016005

Citation:

Song Heng, Chen Dongqun, Wang Yuwei, et al. Simulation and design of electric-magnetic vibrator combined antenna for radiation of wideband high power microwave[J]. High Power Laser and Particle Beams, 2016, 28: 033027. doi: 10.11884/HPLPB201628.033027

Xiao Chengjian, Chen Xiaojun, Gong Yu, et al. Out-of-pile tritium release of LiAlO2 pebble[J]. High Power Laser and Particle Beams, 2015, 27: 016005. doi: 10.11884/HPLPB201527.016005

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Simulation and design of electric-magnetic vibrator combined antenna for radiation of wideband high power microwave

doi: 10.11884/HPLPB201628.033027

1.
College of Optoelectronic Science and Engineering,National University of Defense Technology,Changsha 410073,China

Received Date: 2015-09-15
Rev Recd Date: 2015-11-20
Publish Date: 2016-03-15

Abstract

Abstract

To meet the demands of compactness and miniaturization of the wideband high power microwave radiation system, an electric-magnetic vibrator combined antenna with an aperture of 20 cm20 cm is designed. By applying the 3D full wave electromagnetic field simulation tool, it is proved that the antenna voltage standing wave ratio is less than 3 and the antenna gain is larger than 2 within the bandwidth of 0.3-1.7 GHz. Meanwhile, the influences of the size of the antenna structure, the length of the current loop and the angle of the antenna aperture on the antenna impedance bandwidth and the gain are investigated. On this basis, fed by the wideband signal with a peak voltage of 226 kV for simulation, the maximum radiation factor reaches 150 kV, the equivalent radiation power reaches 358.8 MW and the radiation efficiency is 70.6%. The results indicate that the electric-magnetic vibrator combined antenna can meet the radiation requirements of the high power wideband microwave, the compactness of the radiation system and high radiation efficiency.
- wideband high power microwave,
- antenna,
- electric-magnetic vibrator,
- bandwidth,
- radiation factor,
- voltage standing wave ratio

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