Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/9071
Authors: Settimi, A.* 
Ippolito, A.* 
Cesaroni, C.* 
Scotto, C.* 
Title: Scientific review on the ionospheric absorption and research prospects of a Complex Eikonal model for one-layer ionosphere
Issue Date: 6-Aug-2014
Series/Report no.: VOL. 2014 (2014)
DOI: 10.1155/2014/657434
URI: http://hdl.handle.net/2122/9071
Keywords: Ionosphere
D-layer
Quasi-Longitudinal propagation
non-deviative absorption
Chapman’s electron density profile
Complex Eikonal theory
Subject Classification01. Atmosphere::01.02. Ionosphere::01.02.99. General or miscellaneous 
01. Atmosphere::01.02. Ionosphere::01.02.04. Plasma Physics 
01. Atmosphere::01.02. Ionosphere::01.02.05. Wave propagation 
01. Atmosphere::01.03. Magnetosphere::01.03.99. General or miscellaneous 
01. Atmosphere::01.03. Magnetosphere::01.03.03. Magnetospheric physics 
05. General::05.01. Computational geophysics::05.01.99. General or miscellaneous 
05. General::05.01. Computational geophysics::05.01.05. Algorithms and implementation 
05. General::05.05. Mathematical geophysics::05.05.99. General or miscellaneous 
05. General::05.06. Methods::05.06.99. General or miscellaneous 
Abstract: Thepresent paper conducts a scientific review on ionospheric absorption, extrapolating the research prospects of a complex eikonal model for one-layer ionosphere. As regards the scientific review, here a quasi-longitudinal (QL) approximation for nondeviative absorption is deduced which is more refined than the corresponding equation reported by Davies (1990). As regards the research prospects, a complex eikonal model for one-layer ionosphere is analyzed in depth here, already discussed by Settimi et al. (2013). A simple formula is deduced for a simplified problem. A flat, layered ionospheric medium is considered, without any horizontal gradient. The authors prove that the QL nondeviative amplitude absorption according to the complex eikonal model is more accurate than Rawer’s theory (1976) in the range of middle critical frequencies.
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