Research on the Relay Method Optimization of the TransmissionPerformance of Non-uniform Plasma Ka-Band

WEN  Zhijun; CHEN  Changxing; LING  Yunfei

doi:10.15892/j.cnki.djzdxb.2017.04.031

Journal of Projectiles, Rockets, Missiles and Guidance >

2017 , Vol. 37 >Issue 4: 133 - 136

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2017.04.031

CORRELATION TECHNOLOGY

Research on the Relay Method Optimization of the TransmissionPerformance of Non-uniform Plasma Ka-Band

WEN Zhijun ,
CHEN Changxing ,
LING Yunfei

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Science College, Air Force Engineering University, Xi'an 710051, China

Received date: 2016-09-18

Online published: 2025-05-28

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Abstract

In order to study the measurement and control of black barrier during spacecraft reentry, non-uniform plasma model was established in this paper to simulate and analyze the influence of the change of signal measurement and control frequency on the transmission status of windward and leeward side at different reentry heights. The results showed that in the process of spacecraft reentry, the transmission performance of the signal in the plasma sheath could be improved by improving measurement and control frequency The transmission performance of electromagnetic wave on leeward side of spacecraft was significantly superior than which on windward side. The transmissivity of Ka-Band signal transmitted from the leeward side was at least 88.3% higher than which from the windward side, with decrease on the attenuation by at least 10 dB, and it provided data references for solving black barrier problems by adopting relay method.

Key words： reentry; black barrier; relay method; non-uniform; transmissivity; attenuation value

Cite this article

WEN Zhijun , CHEN Changxing , LING Yunfei . Research on the Relay Method Optimization of the TransmissionPerformance of Non-uniform Plasma Ka-Band[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2017 , 37(4) : 133 -136 . DOI: 10.15892/j.cnki.djzdxb.2017.04.031

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