摘要
在等离子体单极天线工作原理的基础上,详细研究了等离子体表面波的色散关系,推导了等离子体的浓度分布和等离子体气柱长度与激励源的关系。并分析了离子体参数对等离子体天线谐振频率、方向图的影响,计算并比较了等离子体天线和普通天线的雷达散射截面。结果表明了等离子体天线具有优良性能和很好的隐身效果。
Based on the working principles of unipole plasma antenna, the dispersion relationship of plasma surface wave has been seriously investigated. The distribution of plasma density, relationship between length of plasma column and excitation source has been deduced. Influences of plasma parameters on antenna resonance frequency, radiation pattern have been analyzed. Then the RCS （ Radar Cross- Section） of plasma antenna have been calculated and compared it with the RCS of traditional metal antenna. The results show the good performance and satisfying stealth purposes of plasma antenna.
出处
《航空计算技术》
2009年第1期31-34,共4页
Aeronautical Computing Technique
基金
西北工业大学研究生创业种子基金(200834)
关键词
天线
等离子体
表面波
方向图
antenna
plasma
surface wave
radiation pattern
