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Spectral analysis methods for Poisson sampled measurements

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1 Author(s)
Banning, R. ; Dept. of Appl. Phys., Delft Univ. of Technol., Netherlands

The velocity measurements for turbulent flow regimes obtained with laser Doppler anemometry are not only affected by random noise but are also unevenly spaced in time. The usual spectral estimators rely on evenly spaced data points. It would appear then that the measurement data requires adjustment before it can be passed on to these estimators. In this paper, both an analysis method with a novel adjustment scheme as well as an analysis method which does not rely on the use of adjustment schemes, are presented

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Instrumentation and Measurement, IEEE Transactions on  (Volume:46 ,  Issue: 4 )