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  • Title: A method for digital signal processing based laser-Doppler flowmetry.
    Author: Greitans M, Mikelsons A, Möller KO.
    Journal: Technol Health Care; 1999; 7(2-3):125-35. PubMed ID: 10463302.
    Abstract:
    Non-invasive measuring of blood perfusion of tissue is important for establishing the influence of vascular diseases on microcirculation. A signal processing method for laser-Doppler flowmetry is presented in this article. The method is based on the digital filtering. A couple of filters are suggested. One of them is a digital passband filter, second - a digital filter transforming spectrum P(f) of the input signal to fP(f) spectrum. Performance of the suggested method is investigated in comparison with behaviour of the PERIMED instrument as well as with applications based on DFT.
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