Performance enhancement of noisy distributed acoustic sensor using normalized differential method
Alias, Mohd Sharizal
Ng, Tien Khee
Ooi, Boon S.
KAUST DepartmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
Electrical Engineering Program
Permanent link to this recordhttp://hdl.handle.net/10754/660615
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AbstractWe experimentally report a normalized differential signal processing technique to improve the signal-To-noise ratio (SNR) of a fiber optic distributed acoustic sensor (DAS), in the time-domain. The introduced method is calibrated through comparing it with the typical differential method when using a noisy DAS system that includes a relatively wide linewidth laser. For this system, the normalized differential method allows measuring the vibration locations, produced by a piezoelectric transducer (PZT) cylinder, with enhanced SNR.
CitationAshry, I., Mao, Y., Alias, M. S., Ng, T. K., Hveding, F., Arsalan, M., & Ooi, B. S. (2019). Performance enhancement of noisy distributed acoustic sensor using normalized differential method. Novel Optical Systems, Methods, and Applications XXII. doi:10.1117/12.2523757
SponsorsThe authors gratefully acknowledge the financial support provided to this work by the Saudi Aramco under Grant No. RGC/3/3138-01. This work is partially supported by King Abdullah University of Science and Technology (KAUST) baseline funding (BAS/1/1614-01-01), KAUST equipment funding KCR/1/2081-01-01, and GEN/1/6607-01-01.
PublisherSPIE-Intl Soc Optical Eng
Conference/Event name22nd Annual Conference for Novel Optical Systems, Methods, and Applications 2019