Title :
Signal distortion due to low-pass filtering in phase generated carrier demodulation schemes for interferometric sensors
Author :
Chandrika, Unnikrishnan Kuttan ; Pallayil, Venugopalan
Author_Institution :
Acoust. Res. Lab., Nat. Univ. of Singapore, Singapore, Singapore
Abstract :
This paper analyses the signal distortions in phase generated carrier demodulation schemes used in fibre optic sensing applications due to errors in the estimation of the quadrature components of the signal at the output of low pass filtering stage.
Keywords :
demodulation; distortion; fibre optic sensors; hydrophones; interferometry; low-pass filters; fibre optic sensing application; low pass filtering; nterferometric sensor; phase generate carrier demodulation schemes; signal distortion; Distortion; Finite impulse response filters; Frequency estimation; Frequency modulation; Harmonic analysis; Power harmonic filters; Distortion; Fibre optic hydrophone; PGC-Demodulation;
Conference_Titel :
Ocean Electronics (SYMPOL), 2013
Conference_Location :
Kochi
Print_ISBN :
978-93-80095-45-5
DOI :
10.1109/SYMPOL.2013.6701908
