00553naa#a2200181#i#450# EN\\bibl\12820 20260311233356.3 2500-0535 20160810b2016####ek#y0engy0150####ca ENG RU Modeling of Doppler frequency shift in multipath radio channels Journal article Irkutsk Institute of Solar-Terrestrial Physics SB RAS 2016 10 с. Journal article local Penzin Maksim Sergeevich Ilyin Nikolay Viktorovich ras.editorum.ru