Improved multi-channel interferometric fiber-optic sensor demodulation based on the Goertzel algorithm.
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DOI: 10.1364/oe.452766
Abstract: In a multi-channel interferometric fiber-optic sensor system using space-division multiplexing (SDM) and phase-generated-carrier (PGC) demodulation, the phase delay and phase modulation depth fluctuation of each channel will affect the amplitude consistency and harmonic distortion of… read more here.
Keywords: demodulation; multi channel; channel interferometric; fiber optic ... See more keywords