A new four parameter sine fitting technique

M. Fonseca da Silva

doi:10.1016/j.measurement.2003.08.006

2004-03-01

PRE

M. Fonseca da Silva

Pedro M. Ramos

A. Cruz Serra

DOI：10.1016/j.measurement.2003.08.006

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In this paper a new procedure to perform four-parameter sine fitting is presented in a closed form, ready for standardization. This new procedure grants convergence of the algorithm, even in those cases where the traditional techniques tend to converge to local minimums of the error function. This new procedure can also be used to compute the initial values for the traditional four-parameter sine fitting algorithm if very high accuracy is required. (C) 2003 Elsevier Ltd. All rights reserved.