Simple Spectrum Analysis In Laser Doppler Studies Of Sinusoidal Vibrations

Chandra S. Vikram; T. E. McDevitt

doi:10.1117/12.7977057

1 August 1989 Simple Spectrum Analysis In Laser Doppler Studies Of Sinusoidal Vibrations

Chandra S. Vikram, T. E. McDevitt

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Optical Engineering, Vol. 28, Issue 8, 288922 (August 1989). https://doi.org/10.1117/12.7977057

Abstract

In laser Doppler vibrometry of sinusoidal vibration, direct analysis of the photodetector output or the heterodyne signal using a spectrum analyzer is emphasized. A technique utilizing the spectra at the carrier frequency and the first sideband is proposed for unambiguous analysis of the vibration amplitude. Experimental results demonstrate the validity of the proposed technique.

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Chandra S. Vikram and T. E. McDevitt "Simple Spectrum Analysis In Laser Doppler Studies Of Sinusoidal Vibrations," Optical Engineering 28(8), 288922 (1 August 1989). https://doi.org/10.1117/12.7977057

Published: 1 August 1989

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