Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18276
Title: Combination of phase modulation and coding for SNR enhancement in distributed Brillouin sensors
Authors: Fernandez, A
Mao, Y
Lu, C 
Chi, J
Issue Date: 2011
Publisher: Institution of Engineering and Technology
Source: Electronics letters, 2011, v. 47, no. 8, p. 509-510 How to cite?
Journal: Electronics letters 
Abstract: This reported work proposes and demonstrates the benefits of a phase-coded pump using Simplex code into a distributed strain sensor based on Brillouin optical-fibre time-domain analysis technique. It is considered that the experimental results show significant signal-to-noise ratio (SNR) enhancement provided by an increasing length of the phase-coded pump with short code length (7 to 31 bits), thus allowing for strain sensing over a 30m standard fibre with 1cm spatial resolution.
URI: http://hdl.handle.net/10397/18276
ISSN: 0013-5194
EISSN: 1350-911X
DOI: 10.1049/el.2011.0440
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