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Proceedings Paper

Signal processing in step-scan FTIR
Author(s): Richard A. Crocombe; John C. Leonardi; David J. Johnson
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Paper Abstract

This paper describes some aspects of signal processing in step-scan FT-IR, with emphasis on: the effects of varying phase modulation amplitude and phase modulation frequencies; operation in different spectral ranges; under-sampling; demodulation of high dynamic range interferograms; separation of frequencies in multiple modulation experiments; multichannel spectroscopy; and in-scan co-adding.

Paper Details

Date Published: 31 January 1994
PDF: 2 pages
Proc. SPIE 2089, 9th International Conference on Fourier Transform Spectroscopy, (31 January 1994); doi: 10.1117/12.166794
Show Author Affiliations
Richard A. Crocombe, Bio-Rad Labs., Inc. (United States)
John C. Leonardi, Bio-Rad Labs., Inc. (United States)
David J. Johnson, Bio-Rad Labs., Inc. (United States)


Published in SPIE Proceedings Vol. 2089:
9th International Conference on Fourier Transform Spectroscopy
John E. Bertie; Hal Wieser, Editor(s)

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