Development and accuracy consideration of a high resolution, wide velocity range multi axis motion analyzer

Peter Jani

doi:10.1117/12.2308836

23 July 1993 Development and accuracy consideration of a high resolution, wide velocity range multi axis motion analyzer

Peter Jani

Author Affiliations +

Proceedings Volume 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology; 1983BL (1993) https://doi.org/10.1117/12.2308836
Event: 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 1993, Budapest, Hungary

Abstract

Time-interval statistics of the trigger impulses, corresponding to photo-electron impulses of certain rate are studied for laser anemometry use. Expressions are given for the frequency distribution of time intervals between trigger impulses. The distribution function of the channel content as probability variable is determined. The results of numerical calculations are presented for the case of two models of illumination patterns of the sample. It is proved in both cases that on the frequency distribution curve there occurs maxima corresponding to the particle velocity. By using the image of a diffraction grating proposed here, the present signal processing can directly measure the velocity distribution of particles with higher precision. The full statistical description presented provides the possibility of the comparison with other signal processing methods.

Citation Download Citation

Peter Jani "Development and accuracy consideration of a high resolution, wide velocity range multi axis motion analyzer", Proc. SPIE 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 1983BL (23 July 1993); https://doi.org/10.1117/12.2308836

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