Thermogenesis: Identification by means of pade approximants

J. Ortin, V. Torra, J. Viñals, E. Cesari

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19 Scopus citations


The paper describes how to obtain an analytic approximation to the transfer function of a conduction calorimeter, namely, a procedure to identify the calorimetric system. In this case Pade approximants are used on the Laplace transform of the thermogram. The feasibility of the method is tested on two models which span the frequency range usually attained by actual calorimeters. The influence of random noise and baseline drift have also been analyzed. The results show that three or four time constants are correctly obtained.

Original languageEnglish (US)
Pages (from-to)113-122
Number of pages10
JournalThermochimica Acta
Issue number1-3
StatePublished - Nov 15 1983

Bibliographical note

Funding Information:
The authorsa re gratefult o J. Martorell and S. Klarsfeld for the minimax algorithm used and for fruitful discussionso n the implementationo f the routine.J .O. and J.V. acknowledgeth e University of Palma de Mallorca for financial support.J .V. also acknowledgetsh e SpanishM inistry of Education and Sciencef or the grant of a fellowship within the “Plan National de Formacibnd e Personali nvestigador”.


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