Physics
Scientific paper
Jan 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995jatp...57...65z&link_type=abstract
Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 57, no. 1, p. 65-73
Physics
4
Earth Ionosphere, Electron Density (Concentration), Fresnel Diffraction, High Frequencies, Ionospheric Propagation, Radio Waves, Variability, Variations, Wave Equations, Wave Propagation, Coherent Scattering, Electromagnetic Radiation, Mathematical Models
Scientific paper
The influence of electron density fluctuations on the dispersive of the ionosphere is investigated in the forward scattering approximation by means of generalized Rytov's method. The analysis is performed under the simplifying assumptions of plane-stratified ionosphere and two-dimensional geometry. Special emphasis is laid on studying the influence of diffraction due to fluctuations with spatial scales less than the Fresnel zone size. The aim of the work has been to derive analytical formulae describing these phenomena. For a quantitative description, numerical computations of certain coefficients, defined in the paper, are required for concrete models of the undisturbed ionosphere and its fluctuations. These can then be used in explicit expressions, for the quantitative description of pulse distortion.
Lundborg Bengt
Zernov Nikolay N.
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