Computer Science – Sound
Scientific paper
Apr 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apopt..21.1356p&link_type=abstract
Applied Optics, vol. 21, Apr. 15, 1982, p. 1356-1366.
Computer Science
Sound
27
Absorption Spectroscopy, Atmospheric Sounding, Carbon Dioxide, Fourier Transformation, Infrared Absorption, Interferometry, Molecular Absorption, Spectrum Analysis, Stellar Occultation, Stratosphere
Scientific paper
An analytical method for the analysis of absorption spectra obtained from the interferograms of an interferometer operated in the solar occultation mode, in which an interferogram is smeared with individual interferogram components generated by the passage of rays at different tangent altitudes, is described. The creation of strong sidelobes on absorption lines by the interferogram smearing leads to the recommendation of a strong apodization on the interferogram for the solar occultation experiment. The application of these concepts to the simultaneous retrieval of temperature and pressure from CO2 4.3-micron band stratospheric absorption spectra includes the analysis of the continuum absorptions by the pressure-induced N2 fundamental bands and by far wings of the CO2 v3 band. Agreement is reported between observed and simulated spectra.
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