DocumentCode
2246168
Title
Accuracy Enhancement of Fiber Gas Sensor by CRD Technique and LMS Algorithm
Author
Ni, N. ; Chan, C.C. ; Chuah, T.K. ; Xia, L. ; Sun, J. ; Shum, P.
Author_Institution
Sch. of Chem. & Biomed. Eng., Nanyang Technol. Univ., Singapore
fYear
2007
fDate
26-31 Aug. 2007
Firstpage
1
Lastpage
2
Abstract
A digital least mean square adaptive filter is proposed to reduce ASE noise in a CRD acetylene sensing fiber loop for improving the measurement accuracy. The simulation and experimental results show that the measurement accuracy in term of concentration of acetylene could achieve about 15 ppm.
Keywords
adaptive filters; chemical variables measurement; fibre optic sensors; gas sensors; least mean squares methods; optical noise; organic compounds; superradiance; acetylene concentration; acetylene sensing fiber loop; amplified spontaneous emission noise; cavity ring-down spectroscopy; digital least mean square adaptive filter; fiber gas sensor; Attenuation; Attenuators; Biomedical measurements; Erbium-doped fiber amplifier; Gas detectors; Least squares approximation; Noise measurement; Optical fiber sensors; Optical fibers; Pollution measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics - Pacific Rim, 2007. CLEO/Pacific Rim 2007. Conference on
Conference_Location
Seoul
Print_ISBN
978-1-4244-1173-3
Electronic_ISBN
978-1-4244-1174-0
Type
conf
DOI
10.1109/CLEOPR.2007.4391486
Filename
4391486
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