Machine learning approaches in Brillouin distributed fiber optic sensors

C Karapanagiotis, K Krebber - Sensors, 2023 - mdpi.com
This paper presents reported machine learning approaches in the field of Brillouin
distributed fiber optic sensors (DFOSs). The increasing popularity of Brillouin DFOSs stems …

Artificial neural networks for distributed optical fiber sensing

S Liehr - Optical Fiber Communication Conference, 2021 - opg.optica.org
In recent years, artificial neural networks (ANNs) have been increasingly used to enhance
the performance of optical fiber sensors for the distributed measurement of strain and …

Improving Prediction Accuracy and Extraction Precision of Frequency Shift from Low-SNR Brillouin Gain Spectra in Distributed Structural Health Monitoring

ND Nordin, F Abdullah, MSD Zan, AA A Bakar… - Sensors, 2022 - mdpi.com
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 …

Enabling variable high spatial resolution retrieval from a long pulse BOTDA sensor

Z Ge, L Shen, C Zhao, H Wu, Z Zhao… - IEEE Internet of Things …, 2022 - ieeexplore.ieee.org
Spatial resolution (SR) is one of the most important parameters of Brillouin optical time-
domain analysis (BOTDA) sensors, which determines the minimum length that a …

A modification of the backward correlation method for the brillouin frequency shift accurate extraction

FL Barkov, YA Konstantinov - Instruments and Experimental Techniques, 2023 - Springer
An improved method for extracting the Brillouin frequency shift in postprocessing of a given
Brillouin gain spectrum is presented. Modification of the method made it possible to expand …

Multi-parameter distributed fiber sensing system based on hybrid Rayleigh and Brillouin scattering

N Lalam, H Bhatta, MP Buric… - Photonic Instrumentation …, 2024 - spiedigitallibrary.org
The integration of Rayleigh and Brillouin scattering in a hybrid sensor system has
revolutionized the field of distributed fiber optic sensing. This hybrid sensor system provides …

Модификация метода обратной корреляции для точного определения бриллюэновского сдвига частоты

ФЛ Барков, ЮА Константинов - Pribory i tehnika …, 2023 - journals.rcsi.science
Представлен улучшенный метод извлечения бриллюэновского сдвига частоты при
постобработке заданного спектра бриллюэновского усиления. Модификация метода …