基于等离子体无源振子定向天线阵的理论及仿真分析

兵器材料科学与工程 , 2013, (2): 103-105.

基于等离子体无源振子定向天线阵的理论及仿真分析

杨伟苓 ^1, , 钟涛 ^2, , 武新 ^3, , 苗成 ^4, , 李树涛 ^5, , 袁威 ^6,

1.冲击环境材料技术重点实验室,山东烟台264003;中国兵器科学研究院宁波分院,山东烟台264003

2.冲击环境材料技术重点实验室,山东烟台264003;中国兵器科学研究院宁波分院,山东烟台264003

3.中国兵器科学研究院宁波分院,山东烟台264003

4.中国兵器科学研究院宁波分院,山东烟台264003;西北工业大学材料科学与工程学院,陕西西安710072

5.中国兵器科学研究院宁波分院,山东烟台264003

6.中国兵器科学研究院宁波分院,山东烟台264003

关键词：等离子体 , 无源振子 , 定向天线阵 , 天线方向图

Theory and simulation analysis of directional antenna array based on plasma passive oscillators

Keywords： plasma , passive oscillator , directional antenna array , antenna pattern

在电子密度很高的条件下,基于非磁化冷等离子体介质对电磁波反射率较高的原理,设计了一款以多根柱状等离子体介质作为无源振子、一根全向天线作为辐射源的定向天线阵.通过仿真分析,得到定向天线阵的3D方向图,发现定向天线阵具有很好的波束约束性,能实现天线波束的定向传播.

Based on the principle that non?magnetized cold plasma has the strong reflection effect on electromagnetic waves,a new directional antenna array was designed. The directional antenna array was represented by a plurality of plasma cylinders and an omni?directional antenna. The 3D pattern of the directional antenna array obtained from simulation analysis shows that the directional antenna array has many advantages such as transmittering directional beam,quick switching direction,rapid reconstruction,radar stealth and so on.

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