Title

Quality analysis for least-squares transformation of unevenly spaced interferograms

Authors

Authors

H. Weidner;R. E. Peale

Comments

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Abbreviated Journal Title

Appl. Spectrosc.

Keywords

spectroscopy; Fourier; time-resolved; interferogram; Instruments & Instrumentation; Spectroscopy

Abstract

A least-squares method of transforming interferograms into spectra is compared with the traditional fast Fourier transform (FFT) for varying degree of point-spacing unevenness. A Gaussian distribution is assumed for the deviations from even spacing. FFT gives inferior spectra quality above a critical unevenness, which decreases as more interferograms are averaged.

Journal Title

Applied Spectroscopy

Volume

52

Issue/Number

4

Publication Date

1-1-1998

Document Type

Article

Language

English

First Page

587

Last Page

590

WOS Identifier

WOS:000073512700017

ISSN

0003-7028

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