Abstract

利用仅发生极区中层夏季回波 (Polar Mesosphere Summer Echoes, PMSE) 现象时的ECT-02 火箭探空数据, 反演出电子数密度和尘埃电荷数密度. 这些典型的极区中层顶的基本参量为研究PMSE提供了良好的数据基础. 通过分析得出了极区中 层顶区域属于弱电离、弱耦合尘埃等离子体的结论. 根据电子数密度数扰动分析PMSE现象发现, 电子数密度的扰动与PMSE有密切的联系, 扰动强烈的地方回波就强, 扰动弱的地方回波就弱, 或者不发生PMSE 现象.

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