NONLINEAR TRAVELLING IONOSPHERIC DISTURBANCE PRODUCED BY ATMOSPHERIC GRAVITY WAVES
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摘要: 本文导出了大气重力波的非线性方程,研究了重力波的非线性性质。利用等离子体的连续性方程,计算了电离层对重力波的非线性响应,讨论了非线性电离层扰动(TID)的形态。结果表明,非线牲效应使TID表现为多种不规则形态。Abstract: Nonlinear equation for atmospheric gravity waves is derived and nonlinear behavious of the waves are studied.Nonlinear ionospheric response to atmospheric gravity waves is also studied.The structures of nonlinear TIDs are presented.The nonlinear effects cause waveform distortion of TIDs.The disturted TIDs appear to be "sharp peaked" shapes and "sawtooth" shapes.The nonlinear theory of TIDs preserited in this paper can describe ionospheric irregularities and shows a good agreement with various observations on TIDs.
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