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Title: MODELING OF SIGNAL PROCESSING STAGES IN PHASOMETRIC GEOECOLOGICAL CONTROL SYSTEMS IN THE TIME AND FREQUENCY DOMAIN
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MODELING OF SIGNAL PROCESSING STAGES IN PHASOMETRIC GEOECOLOGICAL CONTROL SYSTEMS IN THE TIME AND FREQUENCY DOMAIN
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1314-2704
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English
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21
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7.1
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• Prof. DSc. Oleksandr Trofymchuk, UKRAINE
• Prof. Dr. hab. oec. Baiba Rivza, LATVIA |
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The quality of agricultural products grown and collected at the facilities of the agro-industrial complex and the raw materials obtained for various industries largely depends on the ecological state of the geological environments. To quickly eliminate possible contamination, it is necessary to solve the problems of their early detection, localization and forecasting with the help of special technical means. In this aspect, it is promising to use groups of geoelectric control methods that allow to effectively register anomalous distortions of geoelectric fields caused by geodynamic processes occurring in the subsurface space. Among the variety of these methods, the phasometric method of control is particularly prominent, which has a number of characteristic advantages over the amplitude ones. The idea of this method is based on tracking the dynamics of changes in the phases of the recorded geoelectric signals relative to the phase of a highly stable reference probing oscillation, using multi-pole electrical installations and distributed information processing. This work is devoted to the functional modeling of the processing stages of the recorded geoelectric signals by the phasometric method in the time and frequency domain. For this purpose, a descriptive structured graphical representation of the measurement system is created based on algebraic and integro-differential equations. On its basis, a corresponding simulation was carried out in the MATLAB environment, which clearly illustrates the processing of a pair of input phase-modulated signals with frequencies of 170 Hz and phase shifts of 50 degrees relative to each other.
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conference
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21st International Multidisciplinary Scientific GeoConference SGEM 2021
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21st International Multidisciplinary Scientific GeoConference SGEM 2021, 16 - 22 August, 2021
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Proceedings Paper
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STEF92 Technology
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SGEM International Multidisciplinary Scientific GeoConference
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci
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249-258
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16 - 22 August, 2021
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website
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cdrom
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7760
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agro-industrial complex; geoecology; geoelectrics; phasometric method; functional modeling
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