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- W2892353170 abstract "Abstract This paper presents a scheme for performance improvement of a Rayleigh-optical time domain reflectometry (OTDR) based distributed strain sensing (DSS) system using the combined effect of lifting wavelet transform (LWT) and modified particle swarm optimization (MPSO) method. In our proposed scheme, MPSO evolutionary algorithm produces an optimum threshold and helps in minimizing the noisy lifting wavelet coefficients effectively. This allows an order-of-magnitude increase in strain resolution of the proposed system. The proposed sensing system is capable of measurement up to 50 km using a 10 mW of input laser source power. We have applied 30 μ e strain at 30 km position of the fiber under test. The proposed signal processing scheme offers better performance over a conventional system. The system achieved a strain resolution of ∼ 1.8 μ e . Relevant numerical simulations are presented using MATLAB 15.0." @default.
- W2892353170 created "2018-09-27" @default.
- W2892353170 creator A5031246066 @default.
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- W2892353170 date "2019-01-01" @default.
- W2892353170 modified "2023-10-16" @default.
- W2892353170 title "Strain resolution enhancement in Rayleigh-OTDR based DSS system using LWT-MPSO scheme" @default.
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- W2892353170 doi "https://doi.org/10.1016/j.ijleo.2018.09.060" @default.
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