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Communication Dans Un Congrès Année : 2001

Real-Time Acoustic Velocity Measurement in the Air by Means of Laser Doppler Velocimetry

Résumé

A technique based on the use of an analog phase-locked loop and a quadrature demodulation to estimate particle velocity and convection velocity in an acoustic field in the air excited with a sine wave forced source is presented This method turns to be well suitable for real-time measurement of acoustic signals with low modulation level. A SIMULINK(R) program has been written in order to validate the method. Finally, the performance of the estimator is illustrated by Monte-Carlo simulations obtained from synthesized Doppler signals
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Dates et versions

hal-01206931 , version 1 (29-09-2015)

Identifiants

Citer

Alain Le Duff, Sylvain Poggi, Guy Plantier, Jean-Christophe Valière. Real-Time Acoustic Velocity Measurement in the Air by Means of Laser Doppler Velocimetry. IEEE Instrumentation and Measurement Technology Conference - IMTC 2001, May 2001, Budapest, Hungary. pp.234--238, ⟨10.1109/IMTC.2001.928818⟩. ⟨hal-01206931⟩
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