Mathematical simulation of propagation of frequency-modulated radio waves in ionospheric plasma

A numerical simulation of single-hop and double-hop propagation of frequency-modulated signals in anisotropic ionospheric plasma is performed on the basis of a numerical solution to a space–time Hamiltonian bicharacteristic system whose unknowns are the components of the wave vector, coordinates, an...

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Bibliographic Details
Published in:Journal of communications technology & electronics 2015-10, Vol.60 (10), p.1049-1057
Main Authors: Kryukovskii, A. S., Lukin, D. S., Rastyagaev, D. V., Skvortsova, Yu. I.
Format: Article
Language:English
Subjects:
Analysis
Anisotropy
Caustics
Communications Engineering
Computer simulation
Constants
Electrodynamics and Wave Propagation
Engineering
Frequency modulation
Gravitational waves
Ionosphere
Ionospherics
Magnetic fields
Mathematical models
Networks
Numerical analysis
Optics
Plasma
Propagation
Radiation
Radiation sources
Radio communications
Radio frequency plasma
Simulation
Spacetime
Statistical analysis
Wave propagation
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Summary:A numerical simulation of single-hop and double-hop propagation of frequency-modulated signals in anisotropic ionospheric plasma is performed on the basis of a numerical solution to a space–time Hamiltonian bicharacteristic system whose unknowns are the components of the wave vector, coordinates, and also the frequency and time. It is assumed that the radiation source is a point one and is located outside the magnetoactive plasma, the frequency modulation of decameter waves is linear, and the amplitude of the magnetic field is constant. A model of a two-layer ionospheric plasma with a wavelike disturbance is considered. The specific features of the departure of the ordinary and extraordinary waves from the plane of propagation, formation of caustics of space–time geometrical-optics rays, and the Doppler frequency shift are analyzed.
ISSN:1064-2269
1555-6557
DOI:10.1134/S1064226915100071