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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimer: 0040-2508
ISSN En ligne: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v60.i1012.100
10 pages

Application of the Frequency-and-Angular Sounding Technique to Recovering the Three-Dimensional Electron Density Distribution in the Ionosphere

Vladimir G. Galushko
Institute of Radio Astronomy, National Academy of Sciences of Ukraine
G. V. Lytvynenko
Institute of Radio Astronomy, National Academy of Sciences of Ukraine, 4, Krasnoznamennaya St., Kharkov 61002, Ukraine

RÉSUMÉ

An algorithm is suggested for recovering the electron density distribution in the ionosphere with allowance for horizontal-plane gradients, based on the frequency-and-angular sounding technique. The medium is assumed to be only slightly nonuniform, so that the perturbation method can be applied to solve the eikonal equation. As has been shown, the regular profile of the ionospheric electron density can be recovered from the group path length of the probe signal measured as a function of frequency. The horizontal plane gradients can be determined from equations relating variations of the phase path length to angle of signal arrive deviations from their unperturbed values. The efficiency of the algorithm suggested is illustrated by several examples of recovering model three-dimensional electron density distributions.


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