Wave Dispersion Property in Magnetized Plasma Channel Antenna

journal6 ›› 2009, Vol. 30 ›› Issue (6): 46-53.

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Wave Dispersion Property in Magnetized Plasma Channel Antenna

(1.Heifei Electronic Engineering Institute,Anhui 230037,China;2.Airforce Military Representative Office in Hefei,Anhui 230000,China)

Online:2009-11-25 Published:2012-04-20
About author:XIA Xin-ren(1976-),was born in Anhui,China;received the Ph.D. degree from Electronic Engineering Institute of PLA,China,in 2009.Current research areas are include the analysis of electromagnetic radiating and scattering,computational electromagnetics and plasma antenna etc.
Supported by:
National Natural Science Foundation of China(60671057)

Abstract

Abstract: In order to solve the problems existing in the current antenna for high power microwave weapon,the idea of a magnetized plasma channel used as antenna for radiating electromagnetic pulse is presented.The normal modes of Magnetized Plasma Channel Antenna (MPCA) in lossy gas are analyzed.The concrete realization method of this antenna is simply described.The geometric-model of MPCA is created based on the operating principle of this antenna.The strictest dispersion equation of MPCA is deduced by applying the boundary conditions of electromagnetic fields.Discussion is stressed on the variations of propagation constants with plasma parameters,surrounding material and external magnetic field.The analysis shows that MPCA in a finite magnetic field possesses some different properties compared with a plasma channel antenna where infinite external magnetic field exists.These results are useful for practical application of the antenna.

Key words: MPCA (Magnetized Plasma Channel Antenna), Dispersion Equation, Microwave

XIA Xin-Ren, YIN Cheng-You, WANG Shou-Jie, JIN Xian-Long. Wave Dispersion Property in Magnetized Plasma Channel Antenna[J]. journal6, 2009, 30(6): 46-53.

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Wave Dispersion Property in Magnetized Plasma Channel Antenna

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