Accession Number : ADA057506


Title :   FASCODE - Fast Atmospheric Signature Code (Spectral Transmittance and Radiance)


Corporate Author : VISIDYNE INC BURLINGTON MA


Personal Author(s) : Smith, H J P ; Dube, D J ; Gardner, M E ; Clough, S A ; Kneizys, F X


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a057506.pdf


Report Date : 16 Jan 1978


Pagination or Media Count : 143


Abstract : Using the HIRACC algorithm, a rapid running line-by-line transmittance code has been developed for a layered atmosphere. In addition, the atmospheric radiance is also calculated assuming local thermodynamic equilibrium. The Voigt line shape profile is used for the general case but both the Lorentz and Doppler profiles may be chosen for cases where the Voigt shape is not needed.


Descriptors :   *TRANSMITTANCE , *RADIANCE , *ATMOSPHERIC PHYSICS , ALGORITHMS , COMPUTER PROGRAMMING , SHAPE , FLOW CHARTING , MACHINE CODING , DOPPLER EFFECT , SPECTRAL LINES , CONVOLUTION , SPECTRUM SIGNATURES , LORENTZ FORCE


Subject Categories : Atmospheric Physics
      Computer Programming and Software


Distribution Statement : APPROVED FOR PUBLIC RELEASE