Conference Paper

Correlation Estimators for Two-Point Laser Doppler Anemometry
Benak, M.; Sturm, M.; Tropea, C.; Nobach, H.; Fuchs, W.; Müller, E.
Laser Anemometry: Advances and Applications - Proc. of the 5th International Conference, Proc. SPIE 2052, August 23-27, 1993, Konigshof, Veldhoven, The Netherlands

Using two-point LDA systems, estimates of the integral length scales of turbulent flowfields can be performed by forming the cross-correlation function of the two velocity records for various measurement volume separations. Several estimators for the cross-correlation function are reviewed and their bias and variance are examined as a function of particle density and of chosen processing parameters. The investigations were performed using numerical simulations.

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More about LDV Data Processing (incl. Statistical Bias, Weighting Schemes, Turbulence Spectra, Correlation Functions)
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