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- Title
Signal Reversal of Plasma Sheath of Hypersonic Vehicles.
- Authors
SU Hansheng; ZHAO Liang; LIU Xiuxiang
- Abstract
According to the experimental results of plasma sheath, signal reversal technology can be employed to analyze the influence of plasma sheath on electromagnetic waves propagation, and the experimental results can be furthermore summarized and compared with simulation results to modify the simulation models. In this paper, the signal reversal analysis method of plasma sheath is proposed, and several key technologies of signal reversal analysis are discussed, such as high-accuracy signal propagation link budget analysis, electron density measurement and prediction, evaluation of ablation and carbonization effect of spacecraft materials and electromagnetic modeling of high dynamic plasma sheath. Surmounting above technical difficulty can improve the accuracy of signal reversal analysis and also makes real data modify theoretical analysis model more effectively.
- Subjects
PLASMA sheaths; ELECTROMAGNETIC waves; PLASMA electromagnetic wave propagation; SIMULATION methods &; models; ELECTRON density
- Publication
Telecommunication Engineering, 2015, Vol 55, Issue 1, p1
- ISSN
1001-893X
- Publication type
Article
- DOI
10.3969/j.issn.1001-893x.2015.01.001