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Showing 1 to 1 of 1 for “"pseudo-heterodyne modulation"”.
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Extrinsic Fabry-Perot Interferometer System Using Wavelength Modulated Source
… but they suffer from limitations in signal demodulation caused by phase ambiguity and complex fringe counting when the output phase difference exceeds one fringe period. Various signal demodulation methods have been developed to overcome some of the these drawbacks with limited success. This …