太赫兹波在非均匀等离子体鞘套中的传播特性

系统仿真学报 ›› 2015, Vol. 27 ›› Issue (12): 3109-3115.

• 短文 • 上一篇

太赫兹波在非均匀等离子体鞘套中的传播特性

蒋金¹, 陈长兴¹, 汪成², 陈婷³, 周天翔¹, 凌云飞¹

1.空军工程大学理学院,西安 710051;
2.河海大学计算机与信息学院,南京 211100;
3.西安邮电大学电子工程学院,西安 710121

收稿日期:2015-04-16 修回日期:2015-08-13 出版日期:2015-12-08 发布日期:2020-07-30
作者简介:蒋金(1990-),男,安徽宿州,硕士生,研究方向为临近空间通信技术;陈长兴(1964-),男,教授,博导,研究方向为临近空间通信系统。
基金资助:
陕西省自然科学基础研究计划项目(2014JM8344); 空军工程大学研究生创新基金资助项目(LXY2015YJS06)

Properties of Terahertz Wave Propagation in Inhomogeneous Plasma Sheath

Jiang Jin¹, Chen Changxing¹, Wang Cheng², Chen Ting³, Zhou Tianxiang¹, Ling Yunfei¹

1. School of Science, Air Force Engineering University, Xi’an 710051, China;
2. Dept. Computer & Information Engineering, Hohai University, Nanjing 211100, China;
3. Dept. Electron Engineering, Xi’an University of Posts Telecommunication, Xi’an 710121, China

Received:2015-04-16 Revised:2015-08-13 Online:2015-12-08 Published:2020-07-30

摘要/Abstract

摘要： 针对高超声速飞行器在临近空间巡航时出现的通信“黑障”问题,根据NASA开展的无线电衰减测量C (RAM C III) 飞行试验数据,把临近空间分成两个空间层构建数学模型,建立了2个一维非均匀等离子体鞘套模型,通过数值计算分析了等离子体与太赫兹波的相互作用机理,得到了太赫兹波在非均匀等离子体鞘套中传输特性曲线。仿真结果表明：把太赫兹波段作为临近空间平台通信,有利于解决黑障问题。此论证结果,可为设计临近空间高超声速飞行器选用通信频段时提供参考。

关键词: 等离子体鞘套, 太赫兹波, 临近空间, 高超声速飞行器

Abstract: The communication blackout usually happens when the hypersonic vehicles voyage in the near space. According to the data provided by radio attenuation measurement C (RAM C) voyage experiment, two models of inhomogeneous plasma sheath were established after dividing the near space into two spatial layers to build two mathematical models. The principle of interaction between plasma and terahertz wave was analyzed through numerical calculation, getting the properties of terahertz wave propagation in plasma sheath. The simulation shows that the terahertz wave frequency band selected as communication frequency band used in near space can solve the problem of communication blackout. The result of simulation can be provision of reference for design of communication frequency-band used in the near space hypersonic vehicles.

Key words: plasma sheath, terahertz wave, near space, hypersonic vehicles

中图分类号:

TN011
V271

蒋金, 陈长兴, 汪成, 陈婷, 周天翔, 凌云飞. 太赫兹波在非均匀等离子体鞘套中的传播特性[J]. 系统仿真学报, 2015, 27(12): 3109-3115.

Jiang Jin, Chen Changxing, Wang Cheng, Chen Ting, Zhou Tianxiang, Ling Yunfei. Properties of Terahertz Wave Propagation in Inhomogeneous Plasma Sheath[J]. Journal of System Simulation, 2015, 27(12): 3109-3115.

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太赫兹波在非均匀等离子体鞘套中的传播特性

Properties of Terahertz Wave Propagation in Inhomogeneous Plasma Sheath

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