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About the journal


NAUKA I TEKHNOLOGICHESKIE RAZRABOTKI (SCIENCE AND TECHNOLOGICAL

DEVELOPMENTS), ISSN: 2079-5165, eISSN: 2410-7948, DOI: 10.21455/std; https://elibrary.ru/title_

about.asp?id=32295; http://std.ifz.ru/. The journal was founded in 1992.


DISTANCE SOUNDING AND DATA PROCESSING IN THE STACKING MODE (“MURMAN-2018” EXPERIMENT)


A.A. Skorokhodov1, V.V. Kolobov2


1 Geological Institute FRC “Kola Science Centre of the Russian Academy of Sciences”,
Murmansk region, Apatity, Russia

2 Center for Physical and Technical Problems of Energy of the Northa Branch FRC “Kola Science Center
of the Russian Academy of Sciences”, Murmansk region, Apatity, Russia


Corresponding author: A.A. Skorokhodov, e-mail: sammicne@yandex.ru


Highlights


Carried out distance soundings at the Murmansk block

3 signal processing techniques were applied

Curves of apparent resistance were constructed for comparison with the data of other methods


Abstract. The purpose of the work is to obtain information about the geoelectric section in the depth range inaccessible to other methods used in the Murman-2018” experiment. For this, a source and measuring equipment for frequency sounding were used. It was to determine the useful signal obtained in this way against a background of large noise. Three methods were tested: using the fast Fourier transform, using the discrete Fourier transform, and also the signal accumulation method. The advantages and disadvantages of each method were identified. The results of the work were used to interpret the complex of geoelectrical methods used in this experiment.


Keywords: electrical sounding, direct current, signal accumulation, fast Fourier transform, signal spectrum, discrete Fourier transform


Cite this article as: Skorokhodov A.A., Kolobov V.V. Distance sounding and data processing in the stacking mode (“Murman-2018” experiment), Nauka i Tekhnologicheskie razrabotki (Science and Technological Developments). 2018, vol. 97, no. 4, pp. 43–49. [Special issue “Methodological developments for electromagnetic controlled source soundings”]. [in Russian]. https://doi.org/10.21455/std2019.4-4


References


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Kolobov V.V, Barannik M.B., Ivonin V.V., Selivanov V.N., Zhamaletdinov A.A., Shevtsov A.N., Skorokhodov A.A. Experience of generator “Energy-4” application for the distance and frequency electromagnetic soundings in the experiment “Murman-2018”, Proceedings of Kola Science Centre of RAS, 2018b, no. 17, pp. 7–20. https://doi.org/10.25702/KSC.2307-5252.2018.9.8.7-20

Zhamaletdinov A.A. Theory and methodology of deep electromagnetic soundings with powerful controlled sources (critical analysis experience). St. Petersburg: Publishing House of St. Petersburg State University, 2012. 163 p. ISBN 978-5-98340-271-0

Zhamaletdinov A.A., Velikhov E.P., Shevtsov A.N., Skorokhodov A.A., Kolobov V.V., Ivonin V.V., Kolesnikov V.E. The Murman-2018 Experiment on remote sensing in order to study the “impenetrability” boundary at the transition between brittle and plastic states of the crystalline Earth’s crust, Doklady Earth Sciences, 2019, vol. 486, pp. 575–579, https://doi.org/10.1134/ S1028334X19050301


About the authors


SKOROKHODOV Alexey Andreevich – Research Engineer, Geological Institute FRC “Kola Science Center of the Russian Academy of Sciences”. Russia, 184209, Murmansk region, Apatity, ul. Fersmana, 14. E-mail: sammicne@yandex.ru


KOLOBOV Vitaliy Valentinovich – Cand. Techn. Sci., Leading Researcher, Center for Physical and Technical Problems of Energy of the North – a Branch FRC “Kola Science Center of the Russian Academy of Sciences”. Russia, 184209, Murmansk region, Apatity, microdistrict Akademgorodok, 21A. E-mail: 1_i@mail.ru