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Open AccessArticle

Frequency Response Stabilization and Comparative Studies of MET Hydrophone at Marine Seismic Exploration Systems

1
Department of Physical and Quantum Electronics, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia
2
LLC R-Sensors, R&D department, Dolgoprudny 141700, Russia
3
Department of Mechanical Devices, Institute of Metal Science, 1574 Sofia, Bulgaria
*
Author to whom correspondence should be addressed.
This paper is an extended version of our paper published in 5th International Conference on Sensors Engineering and Electronics Instrumentation Advances (SEIA’ 2019).
Sensors 2020, 20(7), 1944; https://doi.org/10.3390/s20071944
Received: 30 January 2020 / Revised: 26 March 2020 / Accepted: 27 March 2020 / Published: 30 March 2020
Low frequency hydrophone with a frequency range of 1−300 Hz for marine seismic exploration systems has been developed. The operation principle of the hydrophone bases on the molecular electronic transfer that allows high sensitivity and low level self-noise at low frequencies (<10 Hz) to be achieved. The paper presents a stabilization method of the frequency response within the frequency range at a depth up to 30 m. Laboratory and marine tests confirmed the stated characteristics as well as the possibility of using this sensor in bottom marine seismic systems. An experimental sample of the hydrophone successfully passed a comparative marine test at Gelendzhik Bay (Black Sea) with the technical support of Joint-Stock Company (JSC) “Yuzhmorgeologiya”. One of the main results is the possibility of obtaining high-quality information in the field of low frequencies, which was demonstrated in the course of field tests. View Full-Text
Keywords: hydrophone; acoustic sensor; molecular-electronic technology; negative electrodynamic feedback; seismic exploration; geoscience hydrophone; acoustic sensor; molecular-electronic technology; negative electrodynamic feedback; seismic exploration; geoscience
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MDPI and ACS Style

Egorov, E.; Shabalina, A.; Zaitsev, D.; Kurkov, S.; Gueorguiev, N. Frequency Response Stabilization and Comparative Studies of MET Hydrophone at Marine Seismic Exploration Systems. Sensors 2020, 20, 1944. https://doi.org/10.3390/s20071944

AMA Style

Egorov E, Shabalina A, Zaitsev D, Kurkov S, Gueorguiev N. Frequency Response Stabilization and Comparative Studies of MET Hydrophone at Marine Seismic Exploration Systems. Sensors. 2020; 20(7):1944. https://doi.org/10.3390/s20071944

Chicago/Turabian Style

Egorov, Egor; Shabalina, Anna; Zaitsev, Dmitry; Kurkov, Sergey; Gueorguiev, Nikolay. 2020. "Frequency Response Stabilization and Comparative Studies of MET Hydrophone at Marine Seismic Exploration Systems" Sensors 20, no. 7: 1944. https://doi.org/10.3390/s20071944

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