Localization of plasma layers in the ionosphere based on observing variations in the phase and amplitude of radiowaves along the satellite-to-satellite path

A. G. Pavelyev, J. Wickert, Y. Liou

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

We propose a method for localization of layered structures in the ionosphere, which is based on simultaneous observations of time variations in the intensity and phase of radio waves along transionospheric paths. The method determines the position of the turning point, where the gradient of the refraction index is perpendicular to the ray trajectory and the influence of the layered structure on the parameters of radio waves is maximal. The layer position is estimated by analyzing the variations in the phase and intensity of radio waves in combination. The method was used to analyze the experimental data obtained by the radio occulation mission CHAMP. The position for inclined plasma layers was determined and the electron density distribution was found for the considered radio occultation sessions. The method was verified by measuring the turning point on the ray trajectory in a neutral gas in the atmosphere.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalRadiophysics and Quantum Electronics
Volume51
Issue number1
DOIs
StatePublished - Jan 2008

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