High-Precision Laser Self-Mixing Displacement Sensor Based on Orthogonal Signal Phase Multiplication Technique
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DOI: 10.3390/photonics10050575
Abstract: A new signal processing method named orthogonal signal phase multiplication (OSPM) is proposed, which is used to improve the precision of vibration measurement in a phase-modulating self-mixing interferometer (SMI). The modulated signal is acquired by… read more here.
Keywords: phase multiplication; orthogonal signal; signal phase; phase ... See more keywords