FIELD: measurement equipment.
SUBSTANCE: in this method before the development of calibration model the normalisation of pre-processed primary properties for a maximum value of primary properties of samples of the calibration set is performed with consequent decrease of dimension of the matrix of primary properties using Fourier- transformation, the calibration model is developed using the methods of mathematical programming with limitation, after development of the calibration model an inverse Fourier-transformation is performed for the optimum matrix of regression coefficients.
EFFECT: improvement of accuracy of determination of analysable properties of the sample.
8 cl, 8 dwg, 5 tbl
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