Non linear multivariate infrared analysis method

Details Non linear multivariate infrared analysis method Non linear multivariate infrared analysis method

G - Physics

01

N

G01N 21/25 (2006.01) G01N 21/35 (2006.01) G01N 33/22 (2006.01)

Patent

CA 2208216

Research octane number (RON), or other physical or chemical properties or composition data, of a test sample is obtained by infrared spectral analysis of the test sample and a calibration sample set. The determination of the above properties is improved by using the spectrum of the test sample, a linear prediction model, and a nonlinear correction to the linear prediction model.

On obtient un indice d'octane recherche (IOR) d'un échantillon de test, ainsi que la définition d'autres propriétés physiques ou chimiques ou de données relatives à sa composition, par une analyse spectrale infrarouge dudit échantillon de test et d'un ensemble d'échantillons d'étalonnage. On obtient une meilleure définition des propriétés susmentionnées grâce à l'aide du spectre de l'échantillon de test et d'un modèle de prédiction linéaire sur lequel on effectue une correction non linéaire.

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