IMECH-IR  > 高温气体动力学国家重点实验室
Alternative TitleAnalysis of electromagnetic scattering characteristics of the reentry vehicle based on equilibrium flowfields
韦笑; 彭世镠; 殷红成; 印国泰
Source Publication系统工程与电子技术
Other AbstractA redundant plasma wake is produced when the high-speed reentry vehicle cuts through the atmosphere.Accordingly,the plasma wake calculation method under the condition of real gas effect and the shift operator finite difference time domain method are utilized comprehensively.Firstly,the distribution of the inhomogeneous plasma flowfield is achieved by the relative parameters of the reentry vehicle,and hereby the electromagnetic scattering model of the plasma wake target is established.Taking the cone-spheroid target as an example,the low frequency electromagnetic scattering characteristics are calculated and analyzed when it cuts through the atmosphere with a zero attack angle.The results demonstrate that the back-scattering of the reentry vehicle with a high speed is dramatically enhanced at low frequency band by the plasma wake,from which the low frequency radar will benefit in detecting reentry vehicles.
Keyword再入飞行器 等离子体 真实气体效应 时域有限差分方法 移位算子 雷达散射截面
Subject Area力学
Indexed ByEI ; CSCD
Citation statistics
Cited Times:4[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author韦笑
Recommended Citation
GB/T 7714
韦笑,彭世镠,殷红成,等. 基于平衡流场的再入飞行器电磁散射特性分析[J]. 系统工程与电子技术,2011,33(3):506-510.
APA 韦笑,彭世镠,殷红成,&印国泰.(2011).基于平衡流场的再入飞行器电磁散射特性分析.系统工程与电子技术,33(3),506-510.
MLA 韦笑,et al."基于平衡流场的再入飞行器电磁散射特性分析".系统工程与电子技术 33.3(2011):506-510.
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