Acoustic Velocity Measurements in the Air by Means of Laser Doppler Velocimetry: Cramer-Rao Bounds and Maximum Likelihood Estimation - Archive ouverte HAL Access content directly
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Acoustic Velocity Measurements in the Air by Means of Laser Doppler Velocimetry: Cramer-Rao Bounds and Maximum Likelihood Estimation

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Abstract

This paper considers the problem of estimating acoustic particle velocity and convection velocity in the air by means of laser Doppler velocity (LDV) measurement. Closed-form for the Cramer-Rao bounds (CRB) on the estimates of the velocity parameters, for a sine wave excitation, are derived and simplified expressions are given. Moreover, a maximum likelihood estimator (MLE) and a signal phase derivative-based estimator (DBE) are proposed. Finally, estimator performance is illustrated by means of Monte Carlo simulations obtained from synthesized signals and the statistical efficiency of the MLE is checked out.
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hal-01206839 , version 1 (29-09-2015)

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Alain Le Duff, Guy Plantier, Jean-Christophe Valière, Richard Perdriau. Acoustic Velocity Measurements in the Air by Means of Laser Doppler Velocimetry: Cramer-Rao Bounds and Maximum Likelihood Estimation. IEEE International Conference on Acoustics, Speech, and Signal Processing - ICASSP'02, May 2002, Orlando, United States. pp.1325--1328, ⟨10.1109/ICASSP.2002.5744047⟩. ⟨hal-01206839⟩
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