后向散射电离层图反演成准抛物电离层参数

S. Ponomarchuk, M. Penzin
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引用次数: 1

摘要

基于实验和计算结果的比较,提出了一种将后向散射信号前缘反演为准抛物型电子密度分布参数的方法。输入参数是信号传播的最小群路径的频率依赖关系,由处理和解释后向散射电离图得出。对于固定的探测频率,电离层参数对- f2层最大值的临界频率和高度-被定义为代表最小群路径和跳跃区边界距离差函数的最小化问题解的两条曲线的交点。利用该反演方案在探测频率网格上确定电离层参数,可以构造出后向散射探测方向电子密度的二维分布。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
INVERSION OF BACKSCATTER IONOGRAMS INTO QUASI-PARABOLIC IONOSPHERIC LAYER PARAMETERS
We present an inversion scheme of the backscatter signal leading edge into parameters of the quasi-parabolic electron density profile, which is based on the comparison of experimental and calculated minimum delays of scattered signals with corresponding distance to the skip zone border. Input parameters are frequency dependences of minimum group path of signal propagation, derived from processing and interpreting backscatter ionograms. For a fixed sounding frequency, the ionospheric parameter pair — the critical frequency and height of the F2-layer maximum — is defined as the intersection point of two curves representing solutions of minimization problems for discrepancy functionals of the minimum group path and the range to the skip zone border. Determining the ionospheric parameters by this inversion scheme on the sounding frequency grid allows us to construct a two-dimensional distribution of electron density in the direction of backscatter sounding.
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