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题名:
Theoretical and experimental studies of electromagnetic wave transmission in plasma
作者: Zheng Ling1; Zhao Qing1; Luo Xian-Gang2; Ma Ping1; Liu Shu-Zhang1; Huang Cheng2; Xing Xiao-Jun1; Zhang Chun-Yan1; Chen Xu-Lin1
刊名: ACTA PHYSICA SINICA
出版日期: 2012-08-01
卷号: 61, 期号:15
关键词: plasma ; electromagnetic waves transmission
文章类型: Article
英文摘要: The aircrafts, such as space shuttle, spaceship and so on, are facing the well-known "blackout" problem when they reentry into the atmosphere. The plasma sheath leads electromagnetic waves to attenuation, and the communications between the aircrafts and the ground to losing, and even completely interrupte, thereby resulting in the loss of radar targets and threatening the lives of the astronauts. Therefore, it is important to study the properties of the electromagnetic wave transmission in plasma. The characteristics of electromagnetic wave transmission in plasma are studied theoretically and experimentally in this paper. The variations of the electromagnetic wave attenuation with plasma density, collision frequency and electromagnetic wave frequency are obtained. The electromagnetic wave attenuation increasean an order of magnitude with plasma density increasing an order of magnitude. The electromagnetic wave attenuation first increases and then decreases with plasma collision frequency increasing, the electromagnetic wave attenuation decreases with the increase of electromagnetic wave frequency. The electromagnetic wave transmission properties in plasma are studied experimentally with shock tube, and the experimental results accord well with the theoretical results. The results show that increasing the electromagnetic wave frequency is an effective way to solve the reentry blackout problem.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
关键词[WOS]: REFLECTION ; REENTRY ; DENSITY ; SLAB
收录类别: SCI
语种: 英语
WOS记录号: WOS:000309089100048
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2392
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Peoples R China
2.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Peoples R China

Recommended Citation:
Zheng Ling,Zhao Qing,Luo Xian-Gang,et al. Theoretical and experimental studies of electromagnetic wave transmission in plasma[J]. ACTA PHYSICA SINICA,2012,61(15).
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