Zobrazeno 1 - 10
of 32 181
pro vyhledávání: '"fiber-optic sensor"'
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 9, Pp 3841-3863 (2024)
Distributed fiber optic sensors (DFOSs) possess the capability to measure strain and temperature variations over long distances, demonstrating outstanding potential for monitoring underground infrastructure. This study presents a state-of-the-art rev
Externí odkaz:
https://doaj.org/article/76cd0b48c8fe41da808b33ce672bc228
Autor:
Lukui Xu, Tingting Zhuang, Bonan Liu, Jinyu Wang, Mamoona Khalid, Soroush Shahnia, Christophe A. Codemard, Zhiyong Bai, Shen Liu, Ying Wang, George Y. Chen, Yiping Wang
Publikováno v:
Sensing and Bio-Sensing Research, Vol 44, Iss , Pp 100656- (2024)
Given the increasing demands for quality assurance in the food industry, a significant challenge emerges in the form of expensive integration of food sensors into packaging. This integration is crucial for strengthening food safety measures and ensur
Externí odkaz:
https://doaj.org/article/b24e293ba63a433b801c9411988a4b54
Publikováno v:
Надежность и качество сложных систем, Iss 1 (2024)
Background. The technical characteristics and operability of the equipment depend on the quality of petroleum products. The analysis of the composition of petroleum products is carried out, as a rule, in laboratory conditions using optical diagnostic
Externí odkaz:
https://doaj.org/article/c716d5b00b2a430a9f0fc8d3b0293472
Autor:
Mayeli Anais Pérez-Rosas, Yahir Nicolás García-Guevara, Yadira Aracely Fuentes-Rubio, René Fernando Domínguez-Cruz, Oscar Baldovino-Pantaleón, Gerardo Romero-Galván
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 7914 (2024)
Fiber optic sensors (FOSs) have transformed industrial applications with their high sensitivity and precision, especially in real-time monitoring. This study presents a fiber optic sensor based on multimodal interference (MMI) applied to detect honey
Externí odkaz:
https://doaj.org/article/e1224a60930a46028c079c1785d28631
Autor:
Ming Chen, Xing Rao, Kuan Liu, Yuhang Wang, Shuqing Chen, Lin Xu, Rendong Xu, George Y. Chen, Yiping Wang
Publikováno v:
Sensors, Vol 24, Iss 16, p 5257 (2024)
For distributed fiber-optic sensors, slowly varying vibration signals down to 5 mHz are difficult to measure due to low signal-to-noise ratios. We propose and demonstrate a forward transmission-based distributed sensing system, combined with a polari
Externí odkaz:
https://doaj.org/article/77e1d9f9deec428d87742511bc6e96e7
Autor:
Martin Weisbrich, Dennis Messerer, Frank Holzer, Ulf Trommler, Ulf Roland, Klaus Holschemacher
Publikováno v:
Sensors, Vol 24, Iss 14, p 4659 (2024)
The application of distributed fiber optic strain and temperature measurement can be utilized to address a multitude of measurement tasks across a diverse range of fields, particularly in the context of structural health monitoring in the domains of
Externí odkaz:
https://doaj.org/article/0772e60d352148e1aa5d59a693fb41ea
Publikováno v:
Sensors, Vol 24, Iss 13, p 4300 (2024)
This paper investigates a 1.7 mm diameter ultra-weak fiber Bragg grating (UWFBG) hydrophone towed array cable for acoustic direction finding. The mechanism of the underwater acoustic waves received by this integrated-coating sensitizing optical cable
Externí odkaz:
https://doaj.org/article/bd10b142e6a94769b0995ff3e6375add
Autor:
Jianli Liu, Yuxin Ke, Dong Yang, Qiao Deng, Chuang Hei, Hu Han, Daicheng Peng, Fangqing Wen, Ankang Feng, Xueran Zhao
Publikováno v:
Sensors, Vol 24, Iss 13, p 4409 (2024)
Since light propagation in a multimode fiber (MMF) exhibits visually random and complex scattering patterns due to external interference, this study numerically models temperature and curvature through the finite element method in order to understand
Externí odkaz:
https://doaj.org/article/86c53ae5c8af42fcae340a00f3cf0db8
Autor:
Konstantin V. Stepanov, Andrey A. Zhirnov, Tatyana V. Gritsenko, Roman I. Khan, Kirill I. Koshelev, Cesare Svelto, Alexey B. Pnev
Publikováno v:
Sensors, Vol 24, Iss 11, p 3338 (2024)
In the paper, a new method of phase measurement error suppression in a phase-sensitive optical time domain reflectometer is proposed and experimentally proved. The main causes of phase measurement errors are identified and considered, such as the inf
Externí odkaz:
https://doaj.org/article/ceecdf5b6e6e4f77b05fe74429ccce02
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