Time-varying property of electron density in plasma sheath and its effect on EM wave at Ka band

Bo Yao; Xiaoping Li; Lei Shi

doi:10.1117/12.2255711

7 November 2016 Time-varying property of electron density in plasma sheath and its effect on EM wave at Ka band

Bo Yao, Xiaoping Li, Lei Shi

Proceedings Volume 10141, Selected Papers of the Chinese Society for Optical Engineering Conferences held July 2016; 101410J (2016) https://doi.org/10.1117/12.2255711
Event: Selected Proceedings of the Chinese Society for Optical Engineering Conferences held July 2016, 2016, Changchun, China

Abstract

The plasma sheath around the hypersonic vehicle is affected by the turbulence. Random changes in electron density disrupt magnitude of electromagnetic wave so that communication quality become worse. This paper focuses on the statistics of the electron density, and statistical models of electromagnetic wave amplitude at Ka band is obtained by the electromagnetic calculation. Finally, the influence of electron density and radio frequency on the mean and variance of transmission coefficient is studied. The results show that, with the increase of the electron density, the amplitude of the transmission coefficient decreases, and the variance increases. With the increase of the frequency of the radio wave, the amplitude of the mean is increasing and the variance is decreasing.

Citation Download Citation

Bo Yao, Xiaoping Li, and Lei Shi "Time-varying property of electron density in plasma sheath and its effect on EM wave at Ka band", Proc. SPIE 10141, Selected Papers of the Chinese Society for Optical Engineering Conferences held July 2016, 101410J (7 November 2016); https://doi.org/10.1117/12.2255711

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