The effect of large-scale inhomogeneities on waveguide propagation of short radiowaves

Details The effect of large-scale inhomogeneities on waveguide propagation of short radiowaves The effect of large-scale inhomogeneities on waveguide propagation of short radiowaves

Apr 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978ge%26ae..18..267d&link_type=abstract

Geomagnetizm i Aeronomiia, vol. 18, Mar.-Apr. 1978, p. 267-274. In Russian.

Physics

Ionospheric Propagation, Radio Scattering, Short Wave Radio Transmission, Waveguides, Diffusion Coefficient, Inhomogeneity, Parabolic Differential Equations, Propagation Modes, Statistical Analysis

Scientific paper

Short-wave transmission in the ionospheric waveguide in the presence of large-scale inhomogeneities is analyzed by solving the parabolic equation for waveguide propagation. Normal modes are approximated for the case of nonadiabatic disturbances of plasma density, and the mode diffusion-coefficient for quasi-periodic inhomogeneities is estimated. The estimation allows statistical and dynamic determination of mode-diffusion distances. The discreteness of the wave spectrum has a substantial effect on scattering only when the wavelength of the inhomogeneity approaches the beam-oscillation period.

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