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Noise in the common kinds of infrared spectra in use today is considered. Statistics are employed to suggest modified spectra that have more desirable noise properties. A computer-spectrometer system for infrared spectroscopy is described with the novel feature that the computer modifies
the scanning characteristics of the spectrometer as the data are acquired, permitting complete flexibility in programming the spectrometer's task. This system is able to control the spectrometer in the ways required to produce the modified spectra. The nature and operation of the electronic
interface between the computer and the spectrometer are described together with the basic characteristics of the computer software used to program it. Several examples of the modified spectra are shown. Significant improvement in spectrum quality and run time is seen.
Department of Chemistry, Purdue University, West Lafayette, Indiana 47907
Publication date: July 1, 1980
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The Society publishes the internationally recognized, peer reviewed journal, Applied Spectroscopy, which is available both in print and online. Subscriptions are included with membership or can be purchased by institutional or corporate organizations. Abstracts may be viewed free of charge. Previously published as Bulletin (Society for Applied Spectroscopy)