A model assisted ionospheric electron density reconstruction method based on vertical TEC data ingestion
A model assisted ionospheric electron density reconstruction method based on vertical TEC data ingestion
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DOI：
10.4401/ag-3203
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发表时间：
2005-12
影响因子：
1
通讯作者：
B. Nava;P. Coïsson;G. M. Amarante;F. Azpilicueta;S. Radicella
中科院分区：
文献类型：
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作者：
B. Nava;P. Coïsson;G. M. Amarante;F. Azpilicueta;S. Radicella
利用由有效电离参数Az驱动的NeQuick电离层电子密度模型，开发了一种从总电子含量值开始重建电离层电子密度的技术。该技术的基础是计算一个合适的全球网格点的Az值。获得相关Az网格的一种简单方法是使用全局垂直总电子含量（TEC）图来为每个网格点定义Az值，该值使实验和建模的垂直TEC之间的差异最小化。有了Az值的全球网格，就可以使用NeQuick计算电离层中任何点的电子密度。因此，可以计算特定地面站到卫星链路的倾斜TEC值或任何位置处的电离层峰值参数值。实验和重建的倾斜TEC以及实验和重建的峰值参数值之间的比较结果表明，所提出的重建方法可以用来再现观测电离层在现实的方式。
A technique to reconstruct the electron density of the ionosphere starting from total electron content values has been developed using the NeQuick ionospheric electron density model driven by its effective ionization parameter Az. The technique is based on the computation of Az values for a suitable worldwide grid of points. A simple way to obtain relevant Az grids is to use global vertical Total Electron Content (TEC) maps to define for each grid point as Az value, the one that minimizes the difference between the experimental and the modeled vertical TEC. Having a global grid of Az values it is possible to compute the electron density at any point in the ionosphere using NeQuick. As a consequence, slant TEC values for specific ground station to satellite links or ionosphere peak parameter values at any location can be calculated. The results of the comparisons between experimental and reconstructed slant TEC as well as experimental and reconstructed peak parameters values indicate that the proposed reconstruction method can be used to reproduce the observed ionosphere in a realistic way.