Improving measurement accuracy of fiber Bragg grating sensor using digital matched filter

C. C. Chan; J. M. Gong; Wei Jin; M. Zhang; Li Min Zhou; M. S. Demokan

doi:10.1109/OFS.2002.1000532

Improving measurement accuracy of fiber Bragg grating sensor using digital matched filter

C. C. Chan, J. M. Gong, Wei Jin, M. Zhang, Li Min Zhou, M. S. Demokan

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

4 Citations (Scopus)

Abstract

Fiber Bragg grating (FBG) sensors are promising candidates for strain measurements in smart structures. The wavelength-encoded nature of the reflected signals from FBGs allows for absolute strain measurement and for multi-point operation based on wavelength division multiplexing (WDM). To measure strain variation with good accuracy, detection of the small shift in the Bragg wavelength is essential. In this paper, we report the use of a digital matched filter (DMF) for improving the wavelength detection accuracy. The DMF technique has been used extensively in image processing and pattern recognition for the detection of weak signals in a noisy environment. We apply it here for the detection of Bragg wavelength in FBG sensors when the SNR is low.

Original language	English
Title of host publication	2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002
Publisher	IEEE
Pages	183-186
Number of pages	4
ISBN (Electronic)	0780372891, 9780780372894
DOIs	https://doi.org/10.1109/OFS.2002.1000532
Publication status	Published - 1 Jan 2002
Event	15th Optical Fiber Sensors Conference Technical Digest, OFS 2002 - Hilton Portland, Portland, United States Duration: 6 May 2002 → 10 May 2002

Conference

Conference	15th Optical Fiber Sensors Conference Technical Digest, OFS 2002
Country/Territory	United States
City	Portland
Period	6/05/02 → 10/05/02

ASJC Scopus subject areas

Hardware and Architecture
Electrical and Electronic Engineering

More information

10.1109/OFS.2002.1000532

Cite this

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title = "Improving measurement accuracy of fiber Bragg grating sensor using digital matched filter",

abstract = "Fiber Bragg grating (FBG) sensors are promising candidates for strain measurements in smart structures. The wavelength-encoded nature of the reflected signals from FBGs allows for absolute strain measurement and for multi-point operation based on wavelength division multiplexing (WDM). To measure strain variation with good accuracy, detection of the small shift in the Bragg wavelength is essential. In this paper, we report the use of a digital matched filter (DMF) for improving the wavelength detection accuracy. The DMF technique has been used extensively in image processing and pattern recognition for the detection of weak signals in a noisy environment. We apply it here for the detection of Bragg wavelength in FBG sensors when the SNR is low.",

author = "Chan, {C. C.} and Gong, {J. M.} and Wei Jin and M. Zhang and Zhou, {Li Min} and Demokan, {M. S.}",

year = "2002",

month = jan,

day = "1",

doi = "10.1109/OFS.2002.1000532",

language = "English",

pages = "183--186",

booktitle = "2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002",

publisher = "IEEE",

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note = "15th Optical Fiber Sensors Conference Technical Digest, OFS 2002 ; Conference date: 06-05-2002 Through 10-05-2002",

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Chan, CC, Gong, JM, Jin, W, Zhang, M, Zhou, LM & Demokan, MS 2002, Improving measurement accuracy of fiber Bragg grating sensor using digital matched filter. in 2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002., 1000532, IEEE, pp. 183-186, 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002, Portland, United States, 6/05/02. https://doi.org/10.1109/OFS.2002.1000532

Improving measurement accuracy of fiber Bragg grating sensor using digital matched filter. / Chan, C. C.; Gong, J. M.; Jin, Wei et al.
2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002. IEEE, 2002. p. 183-186 1000532.

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

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T1 - Improving measurement accuracy of fiber Bragg grating sensor using digital matched filter

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AB - Fiber Bragg grating (FBG) sensors are promising candidates for strain measurements in smart structures. The wavelength-encoded nature of the reflected signals from FBGs allows for absolute strain measurement and for multi-point operation based on wavelength division multiplexing (WDM). To measure strain variation with good accuracy, detection of the small shift in the Bragg wavelength is essential. In this paper, we report the use of a digital matched filter (DMF) for improving the wavelength detection accuracy. The DMF technique has been used extensively in image processing and pattern recognition for the detection of weak signals in a noisy environment. We apply it here for the detection of Bragg wavelength in FBG sensors when the SNR is low.

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BT - 2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002

PB - IEEE

T2 - 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002

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ER -

Improving measurement accuracy of fiber Bragg grating sensor using digital matched filter

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