The analysis of error in trace gas concentration measurements by intermodulated photoacoustic stark spectroscopy (IMPASS).

T. Groot, D. Bicanic, M. van Montfort, P. Torfs, R. Braun, K. van Asselt

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    Abstract

    Data collected in an actual IMPASS experiment with a static gaseous mixture (methyl fluoride/ethylene/nitrogen) of preselected concentrations were analyzed with respect to uni(bi)modality, symmetry, skewness and kurtosis. Bimodal probability distribution function is significantly different from Gaussian suggesting the presence of 'mixed' data in the measurements; the potential cause for this phenomenon is discussed.
    Original languageEnglish
    Pages (from-to)519-522
    JournalJournal de Physique IV France
    VolumeC7
    Publication statusPublished - 1994

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