title: Use of apodization in quantitative spectroscopy.
abstract: Apodization, which is a tool frequently used for cosmetic representation and efficient modeling of a spectrum, is now also adopted in techniques for the quantitative retrieval of parameters from observed spectra. Whether apodization can help in quantitative spectroscopy is the subject of debate in the literature. We find that, when the considered spectral range is wide enough to accurately model the instrument line shape, the same results can be obtained with and without apodization of the spectrum. However, when a truncation error is introduced by the limited extension of the modeled spectral interval, apodization can efficiently reduce this error. Therefore it is possible to save computing time by using apodization.
authors: Istituto di Fisica Applicata, Nello Carrara del Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Firenze, Italy. S.ceccherini@ifac.cnr.it
authors: Simone
authors: S
authors: Ceccherini
authors: Claudio
authors: C
authors: Belotti
authors: Bruno
authors: B
authors: Carli
authors: Piera
authors: P
authors: Raspollini