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Study on the Characteristic of Electromagnetic Scattering and Transmission from SRM Plume

Author: GaoJun
Tutor: GuoLiXin
School: Xi'an University of Electronic Science and Technology
Course: Radio Physics
Keywords: exhaust Plume electromagnetic scattering transmission characteristic
CLC: TJ760
Type: Master's thesis
Year: 2007
Downloads: 66
Quote: 0
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Abstract


Based on the theory of electromagnetic sacttering and the principal of transmission, the characteristics of the electromagnetic sacttering and transmission from the Solid Rocket Motor (SRM) plume are investigated, which include the physical characteristics of the SRM plume and its modeling, the electromagnetic scattering from the particles of the SRM plume, the plasma flame electromagnetic scattering, and the characteristics of the beam transmission in the SRM plume. The main research is as follows:Firstly, the physical characteristics of the SRM plume are examined. Accordingly, the movement rule of the gas jet current is depicted in mathematics, so the physics characteristics is studied, then the distribution of the temperature in the SRM plume field is simulated. Secondly, according to the Mie theory, the characteristics of electromagnetic scattering from the particles of Al2O3 in the SRM plume are discussed. Thirdly, the electromagnetic scattering model for the SRM plume is built, and then the electromagnetic scattering from the SRM plume is investigated. The Doppler shift of radar echo from the turbulent high-altitude SRM plume is analyzed. Finally, the total attenuation model of the light beam transmitting through the SRM plume with any incident angle is present. The propagation of the SRM plume radiation through the atmosphere is studied, and the influencing factors of the transmission characteristics on the atmosphere condition are considered.

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