2024. vol. 47. no. 2

Download issue Bulletin KRASEC. Physical and Mathematical Sciences. 2024. vol. 47. no. 2. 154 p.

Contents
Message from the Editorial Board 7
MATHEMATICS
Dekhkonov F.N. The control problem for a heat conduction equation with Neumann boundary condition9
MATHEMATICAL MODELING
Salimova A.I., Parovik R.I. Mathematical model of Van der Pol-Airy fractional oscillator 21
Tverdyi D.A., Parovik R.I. The optimization problem for determining the functional dependence of the variable order of the fractional derivative of the Gerasimov-Caputo type 35
INFORMATION AND COMPUTING TECHNOLOGIES
Senkevich Y.I. Search signs changes in the state of the near-surface layer of the lithosphere based on the image analysis results reflecting the characteristics dynamics of the geoacoustic emission signal58
Senkevich Y.I. Processing and preparation of observation data in the interests of highlighting the features of the dynamics of the characteristics of geoacoustic emission 75
PHYSICS
Marichev V.N., Bochkovsky D.A., Elizarov A.I. Generalization of the results of lidar monitoring
of the temperature of the middle atmosphere over Tomsk 		95
Marichev V.N., Bochkovsky D.A. Lidar studies of the vertical distribution of aerosol in the stratosphere over Тomsk in 2023 106
Pastukhov I.A., Rudenko A.I. Formation of capillary-gravity waves in the flow under the influence of a system consisting of two vortices 117
INSTRUMENTS AND MEASUREMENT METHODS
Pavlova V.Yu. Experience with the «Triton-M» georadar device in the Petropavlovsk-Kamchatsky city (Kamchatka) 129
Pavlova V.Yu. Experience with the «Triton-M» georadar device in the Petropavlovsk-Kamchatsky city (Kamchatka) 143