Abstract: The multi-frequency multipath observations of temporal variations in the Doppler spectra and signal amplitudes of HF radio waves reflected from the ionosphere, which accompanied ionospheric ...
Abstract: The dense radio-frequency interference (RFI) distributed on the spectrum in the high-frequency band greatly degrades the performance of radio systems and makes it urgent to find an effective ...
Liverpool's defeat to Crystal Palace allowed the Gunners to cut their lead to two points. The league leaders now travel to Chelsea in Saturday's late kick-off. The hosts made light work of Olympiakos ...
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