Signal processing in step-scan FTIR

Richard A. Crocombe; John C. Leonardi; David J. Johnson

doi:10.1117/12.166794

31 January 1994 Signal processing in step-scan FTIR

Richard A. Crocombe, John C. Leonardi, David J. Johnson

Proceedings Volume 2089, 9th International Conference on Fourier Transform Spectroscopy; (1994) https://doi.org/10.1117/12.166794
Event: Fourier Transform Spectroscopy: Ninth International Conference, 1993, Calgary, Canada

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.

Citation Download Citation

Richard A. Crocombe, John C. Leonardi, and David J. Johnson "Signal processing in step-scan FTIR", Proc. SPIE 2089, 9th International Conference on Fourier Transform Spectroscopy, (31 January 1994); https://doi.org/10.1117/12.166794

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