期刊
SENSORS
卷 21, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/s21082724
关键词
distributed Brillouin sensing; convolutional neural networks; Brillouin optical frequency domain analysis; distributed fiber-optic sensors; temperature and strain sensing
资金
- PhD-program of Bundesanstalt fur Materialforschung und-prufung (BAM)
This study presents the first report on a machine-learning-assisted Brillouin optical frequency domain analysis (BOFDA) for time-efficient temperature measurements. A convolutional neural network (CNN)-based signal post-processing method is proposed to enhance temperature extraction and system performance, shortening measurement time by more than nine times.
To our knowledge, this is the first report on a machine-learning-assisted Brillouin optical frequency domain analysis (BOFDA) for time-efficient temperature measurements. We propose a convolutional neural network (CNN)-based signal post-processing method that, compared to the conventional Lorentzian curve fitting approach, facilitates temperature extraction. Due to its robustness against noise, it can enhance the performance of the system. The CNN-assisted BOFDA is expected to shorten the measurement time by more than nine times and open the way for applications, where faster monitoring is essential.
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