High power linearly polarized radial waveguide array antenna for L-band

wang xin; liu qingxiang; zhang jianqiong; li xiangqiang; wu xiaojiang

Volume 21 Issue 03

Mar. 2009

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Article Navigation > High Power Laser and Particle Beams > 2009 > 21(03): 0-

niu hong-chang, qian bao-liang. Particle simulation of compact L-band coaxial relativistic backward wave oscillator[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

wang xin, liu qingxiang, zhang jianqiong, et al. High power linearly polarized radial waveguide array antenna for L-band[J]. High Power Laser and Particle Beams, 2009, 21.

niu hong-chang, qian bao-liang. Particle simulation of compact L-band coaxial relativistic backward wave oscillator[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

wang xin, liu qingxiang, zhang jianqiong, et al. High power linearly polarized radial waveguide array antenna for L-band[J]. High Power Laser and Particle Beams, 2009, 21.

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High power linearly polarized radial waveguide array antenna for L-band

1.
College of Science,Southwest Jiaotong University,Chengdu 610031,China;
2.
The No.29 Research Institute of China Electronics Technology Group Corporation,Chengdu 610036,China

Publish Date: 2009-03-15

Abstract

Abstract

A linearly polarized array antenna with radial waveguide for L-band was put forward, which can realize rotundity array antenna based on triangle grid. The multilayer radial waveguide and a horizontal ring antenna was researched, then the L-band linearly polarized array antenna with the array element space of less than one wavelength. The results indicate that this structure is feasible to realize the linearly polarized radial waveguide array antenna; the antenna gain is 19.97 dBi, the axial ratio is -52.06 dB and the reflection coefficient is 0.105 2 at 1.57 GHz; In the range of 1.37 GHz to 1.77 GHz , the gain is over 18.64 dBi and the axial ratio is below -46.45 dB.
- l-band,
- radial waveguide,
- linearly polarized array antenna,
- equal extent and phase,
- parallel feed wire,
- horizontal ring antenna

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