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- W657834459 abstract "This paper discusses the detailed experimental investigations on the performance of interferometer based fiber optichydrophones with different Phase Generated Carrier (PGC) demodulation algorithms for their interrogation. The studycovers the effect on different parametric variations in the PGC implementations by comparison through Signal to NoiseAnd Distortion (SINAD) and Total Harmonic Distortion (THD) analysis. This paper discusses experiments on mostpopular algorithms based on PGC like Arctangent, Differential Cross Multiplication (DCM) and Ameliorated PGC. ADistributed Feed-Back Fiber Lasers (DFB-FL) based fiber optic hydrophone, with Mach-Zehnder Interferometer havingactive phase modulator in reference arm and mechanism to cater polarization related intensity fading were used for theexperiments. Experiments were carried out to study the effects of various parameters like the type and configuration oflow pass filter, frequency of the modulation signal, frequency of acoustic signal etc. It is observed that all the threefactors viz. the type of low pass filter, frequency of modulating and acoustic signal plays important role in retrieving theacoustic signal, based on the type of algorithms used and are discussed here." @default.
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- W657834459 date "2015-06-15" @default.
- W657834459 modified "2023-09-27" @default.
- W657834459 title "Experimental investigations on implementing different PGC algorithms for interrogation of fiber optic hydrophones" @default.
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- W657834459 doi "https://doi.org/10.1117/12.2181871" @default.
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