Fourier and Wavelet Analysis for Optical Fibre Sensor Networks: A Review

A review of the current state of research of Fourier analysis as applied to the field of optical fibre sensing is presented. The implications that using Fourier based multiplexing schemes have on the requirements for sensor design and network configuration is discussed. The flexibility of Fourier techniques is also demonstrated, with the ability to profile the fringe visibility or chirp of an interference spectrum. Generalisations of Fourier analysis to wavelet and chirplet analyses and their relevance to optical fibre sensor networks are also discussed.

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