Abstract
The function and physical mechanism of heat flow and the viscous stress in the velocity distribution function expanded by Maxwellian distribution are presented. With the introduction of effective temperature T f , incoherent scatter spectra from plasma for electromagnetic wave in arbitrary line of sight are given. The effect of asymmetry and anisotropy provided by heat flow and the viscous stress on power spectra is discussed. Radar spectra are calculated for different cases of electric field, direction, collision frequency and temperature. The effect of heat flow and the viscous stress on inversion results is analyzed. With a large electric field, the character of non-Maxwellian must be considered.
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Supported by the National Natural Science Foundation of China (Grant No. 40310223)
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Xu, B., Xue, K., Wu, J. et al. Incoherent scatter spectra from plasma of a 13-moment approximation distribution function. Sci. China Ser. E-Technol. Sci. 51, 624–631 (2008). https://doi.org/10.1007/s11431-008-0054-4
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DOI: https://doi.org/10.1007/s11431-008-0054-4