The possibilities of improving the quality of information transmission in doubly reflected ionospheric radio transmission paths are discussed. It is shown that a combination of the method of selective excitation of characteristic waves in the ionosphere and that of polarization filtration of a multipath signal with a definite signal-to-noise ratio can improve the quality of information transmission in the doubly reflected radio transmission path more than by an order of magnitude.
Department of Radiophysics, Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
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