Processor operated correlator with applications to laser Doppler signals

C. Bisgaard; B. Johnsen; Ole Hassager

doi:10.1063/1.1137808

Processor operated correlator with applications to laser Doppler signals

C. Bisgaard, B. Johnsen, Ole Hassager

Technical University of Denmark

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Abstract

A 64-channel correlator is designed with application to the processing of laser Doppler anemometry signals in the range 200 Hz to 250 kHz. The correlator is processor operated to enable the consecutive sampling of 448 correlation functions at a rate up to 500 Hz. Software is described to identify a Doppler frequency from each correlation and the system is especially designed for transient flow signals. Doppler frequencies are determined with an accuracy of about 0.1%. Review of Scientific Instruments is copyrighted by The American Institute of Physics.

Original language	English
Journal	Review of Scientific Instruments
Volume	55
Issue number	5
Pages (from-to)	737-742
ISSN	0034-6748
DOIs	https://doi.org/10.1063/1.1137808
Publication status	Published - 1984

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Copyright (1984) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

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title = "Processor operated correlator with applications to laser Doppler signals",

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N2 - A 64-channel correlator is designed with application to the processing of laser Doppler anemometry signals in the range 200 Hz to 250 kHz. The correlator is processor operated to enable the consecutive sampling of 448 correlation functions at a rate up to 500 Hz. Software is described to identify a Doppler frequency from each correlation and the system is especially designed for transient flow signals. Doppler frequencies are determined with an accuracy of about 0.1%. Review of Scientific Instruments is copyrighted by The American Institute of Physics.

AB - A 64-channel correlator is designed with application to the processing of laser Doppler anemometry signals in the range 200 Hz to 250 kHz. The correlator is processor operated to enable the consecutive sampling of 448 correlation functions at a rate up to 500 Hz. Software is described to identify a Doppler frequency from each correlation and the system is especially designed for transient flow signals. Doppler frequencies are determined with an accuracy of about 0.1%. Review of Scientific Instruments is copyrighted by The American Institute of Physics.

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DO - 10.1063/1.1137808

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Processor operated correlator with applications to laser Doppler signals

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