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Inicio » Actividades I+D > Publicaciones 2004 > Performance of an E-Nose in Hops Classif...
artículo con referato
"Performance of an E-Nose in Hops Classification"
A. Lamagna, S. Reich, D. Rodríguez and N.N. Scoccola
Sens. Actuators B 102(2) (2004) 278-283
A prototype of an electronic nose is applied to the analysis of a basic ingredient of beer, the hop. We address two main requirements from the local brewing industry: to detect departures from the hop's quality due to aging processes or lousy storage and to obtain a quick discrimination of the various similar types of pellets usually employed. Different method for the extraction of the features of each sensor response have been studied. A comparison between discrimination obtained with a linear dimensional reduction via Principal Component Analysis and a non linear reduction obtained with Self Organized Maps has also been made.
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