Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Yuri A. Konstantinov"'
Autor:
Ivan A. Lobach, Andrei A. Fotiadi, Vasily A. Yatseev, Yuri A. Konstantinov, Fedor L. Barkov, D. Claude, Dmitry A. Kambur, Maxim E. Belokrylov, Artem T. Turov, Dmitry A. Korobko
Publikováno v:
Sensors, Vol 24, Iss 16, p 5432 (2024)
In this review, we summarize the latest advances in the design of optical frequency-domain reflectometers (OFDRs), digital signal processing, and sensors based on special optical fibers. We discuss state-of-the-art approaches to improving metrologica
Externí odkaz:
https://doaj.org/article/6799f9f98a9d4ba09317136e3ce35a77
Autor:
Tatyana V. Gritsenko, Maria V. Orlova, Andrey A. Zhirnov, Yuri A. Konstantinov, Artem T. Turov, Fedor L. Barkov, Roman I. Khan, Kirill I. Koshelev, Cesare Svelto, Alexey B. Pnev
Publikováno v:
Sensors, Vol 24, Iss 7, p 2281 (2024)
In recent years, attention to the realization of a distributed fiber-optic microphone for the detection and recognition of the human voice has increased, whereby the most popular schemes are based on φ-OTDR. Many issues related to the selection of o
Externí odkaz:
https://doaj.org/article/5ac5efea878349f9821dfacc99289bf5
Publikováno v:
Sensors, Vol 24, Iss 4, p 1253 (2024)
We describe a method for reducing the cost of optical frequency domain reflectometer (OFDR) hardware by replacing two reference channels, including an auxiliary interferometer and a gas cell, with a single channel. To extract useful information, digi
Externí odkaz:
https://doaj.org/article/5573f1de7ad04cff944179d3c644c42f
Autor:
Artem T. Turov, Fedor L. Barkov, Yuri A. Konstantinov, Dmitry A. Korobko, Cesar A. Lopez-Mercado, Andrei A. Fotiadi
Publikováno v:
Algorithms, Vol 16, Iss 9, p 440 (2023)
This work studies the application of low-cost noise reduction algorithms for the data processing of distributed acoustic sensors (DAS). It presents an improvement of the previously described methodology using the activation function of neurons, which
Externí odkaz:
https://doaj.org/article/1d057c32481446c4959ed96311f3a6a2
Publikováno v:
Fibers, Vol 11, Iss 6, p 51 (2023)
A new method for extracting the Brillouin frequency shift (BFS) from the Brillouin gain spectrum (BGS), the modified backward correlation method (MBWC), is presented. The possibilities of using MBWC, and MBWC in combination with the Lorentzian curve
Externí odkaz:
https://doaj.org/article/2c80d1916b644dbfac55e9bb30ecb461
Autor:
Artem T. Turov, Yuri A. Konstantinov, Fedor L. Barkov, Dmitry A. Korobko, Igor O. Zolotovskii, Cesar A. Lopez-Mercado, Andrei A. Fotiadi
Publikováno v:
Algorithms, Vol 16, Iss 5, p 217 (2023)
Moving differential and dynamic window moving averaging are simple and well-known signal processing algorithms. However, the most common methods of obtaining sufficient signal-to-noise ratios in distributed acoustic sensing use expensive and precise
Externí odkaz:
https://doaj.org/article/2409fb34c18143c79f7a3a164b4c0243
Autor:
Nur Dalilla Nordin, Fairuz Abdullah, Mohd Saiful Dzulkefly Zan, Ahmad Ashrif A Bakar, Anton I. Krivosheev, Fedor L. Barkov, Yuri A. Konstantinov
Publikováno v:
Sensors, Vol 22, Iss 7, p 2677 (2022)
In this paper, we studied the possibility of increasing the Brillouin frequency shift (BFS) detection accuracy in distributed fibre-optic sensors by the separate and joint use of different algorithms for finding the spectral maximum: Lorentzian curve
Externí odkaz:
https://doaj.org/article/98351c7e628a4547ad0006e3332b46b8
Autor:
Boris G. Gorshkov, Kivilcim Yüksel, Andrei A. Fotiadi, Marc Wuilpart, Dmitry A. Korobko, Andrey A. Zhirnov, Konstantin V. Stepanov, Artem T. Turov, Yuri A. Konstantinov, Ivan A. Lobach
Publikováno v:
Sensors, Vol 22, Iss 3, p 1033 (2022)
This work presents a detailed review of the development of distributed acoustic sensors (DAS) and their newest scientific applications. It covers most areas of human activities, such as the engineering, material, and humanitarian sciences, geophysics
Externí odkaz:
https://doaj.org/article/e708c1c0d92141d298835f2636cdd1a5
Publikováno v:
Fibers, Vol 8, Iss 9, p 60 (2020)
A new method of Brillouin spectra post-processing, which could be applied in modern distributed optical sensors: Brillouin optical time domain analyzers/reflectometers (BOTDA/BOTDR), has been demonstrated. It operates by means of the correlation anal
Externí odkaz:
https://doaj.org/article/0c0087079d1f491685ab0359c37a14a1
Publikováno v:
Siberian Journal of Life Sciences and Agriculture. 14:157-171
Background. The mitochondrial electron transport chain, in particular the respiratory complex I, is one of the main sources of reactive oxygen species (ROS) in living cells. Suppression of the complex I activity in human cells through chemical inhibi