Quality analysis for least-squares transformation of unevenly spaced interferograms

    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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