Detection and Direction Finding of Transport Objects in Seismoacoustic Observation Systems
https://doi.org/10.55648/1998-6920-2023-17-1-3-17
Abstract
The problem of passive geophysical monitoring of transport objects using acoustic and three-component seismic oscillations is considered. The solution is based on the application of spectral-time analysis, the method of spectral-polarization processing, the selection of informative frequencies of oscillations and the determining the direction finding on the object. The azimuthal orientation of the major axis position of the scattering ellipse obtained by polarization processing makes it possible to determine the direction finding. Numerical estimates of the accuracy of problem solving in a field experiment have been obtained. The proposed approach is based on consideration of the spatial-frequency characteristics of the object and its seasonal variation.
Keywords
passive geophysical monitoring,
detection,
direction finding,
transport object,
polarization method,
bandpass filtering,
comb filter,
field experiment
Supporting agencies: Работа выполнена при поддержке гранта РФФИ № 20-07-00861, госзадания № 0251_22_0004.
About the Authors
V. I. Dobrorodny
Tyumen Higher Military Engineering Order of Kutuzov Command School named after Marshal of Engineering Troops A. I. Proshlyakov
Russian Federation
Russian Federation
Vladimir I. Dobrorodny, Lecturer
Tyumen
O. A. Kopylova
Institute of Computational Mathematics and Mathematical Geophysics SB RAS (ICMMG SB RAS); Novosibirsk State Technical University (NSTU)
Russian Federation
Russian Federation
Oksana A. Kopylova, Engineer
Novosibirsk
M. S. Khairetdinov
Institute of Computational Mathematics and Mathematical Geophysics SB RAS (ICMMG SB RAS); Novosibirsk State Technical University (NSTU)
Russian Federation
Russian Federation
Marat S. Khairetdinov, Dr. of Sci. (Engineering), Professor; Principal Researcher
Novosibirsk
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Review
For citations:
Dobrorodny V.I., Kopylova O.A., Khairetdinov M.S. Detection and Direction Finding of Transport Objects in Seismoacoustic Observation Systems. The Herald of the Siberian State University of Telecommunications and Information Science. 2023;17(1):3-17. (In Russ.) https://doi.org/10.55648/1998-6920-2023-17-1-3-17
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