%0 Journal Article %T Identification of spectrum of secondary acoustic-gravity waves in the middle and upper atmosphere in a high-resolution numerical model %A Gavrilov, N.M. %A Kshevetskii, S.P. %K acoustic-gravity waves, spectrum, secondary waves, numerical simulation, upper atmosphere, middle atmosphere %J Solar-Terrestrial Physics %D 2023 %N 9 %P 6 %I INFRA-M Academic Publishing LLC.