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Authors: Scotto, C.*
Settimi, A.*
Title: The effect of collisions in ionogram inversion
Title of journal: Advances in space research
Series/Report no.: /51 (2013)
Publisher: Elsevier Science Limited
Issue Date: 2013
DOI: 10.1016/j.asr.2012.09.033
Keywords: Ionogram inversion
Earth's magnetic field
electron-neutral molecule collisions
ordinary and extraordinary ray
phase and group refraction index
Abstract: The results of this paper demonstrate that the effect of collisions on the group refraction index is small, when the ordinary ray is considered. If, however, in order to improve the performance of a system for automatic interpretation of ionograms, the information contained in ordinary and extraordinary traces is combined, the effect of collisions between the electrons and neutral molecules should be taken into account for the extraordinary ray. The magnitude of these differences is generally very small and must be compared with the resolution in the virtual vertical height of the ionosonde, resolution which is typically of the order of few kilometers.
Appears in Collections:05.01.03. Inverse methods
01.02.05. Wave propagation
01.02.04. Plasma Physics
Papers Published / Papers in press

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