: pp.5-10
Lviv Polytechnic National University
Lviv State University of Life Safety

The principle of device operation for determining the quality control of diesel fuel is considered, which helps to
investigate the spectral characteristics of diesel fuel. Basic wavelet transformations are given. IR spectroscopy of diesel fuel from
different producing countries was carried out, and determination of the cetane number through wavelet coefficients and determining
conclusion diesel fuel quality were performed.

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