Suppression of undesired components in the measured spectra of spectrometers
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United States of America Patent
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Aug 26, 2003
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N/A
app pub date -
Jan 9, 2003
filing date -
Aug 28, 1998
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Abstract
The effects of unwanted components such as H.sub.2 O and CO.sub.2 in spectral data measured by a spectrometer such as an FT-IR spectrometer are suppressed by a technique in which data representing high resolution spectra of the unwanted component is acquired, this data is modified so that its resolution matches that of the instrument, the results data is filtered to allow for perturbing effects of the sample and the resulting data is subtracted from the measured sample sectrum to provide corrected output data.
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