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Expansion of Tabulated Scattering Matrices in Generalized Spherical FunctionsAn efficient way to solve the vector radiative transfer equation for plane-parallel turbid media is to Fourier-decompose it in azimuth. This methodology is typically based on the analytical computation of the Fourier components of the phase matrix and is predicated on the knowledge of the coefficients appearing in the expansion of the normalized scattering matrix in generalized spherical functions. Quite often the expansion coefficients have to be determined from tabulated values of the scattering matrix obtained from measurements or calculated by solving the Maxwell equations. In such cases one needs an efficient and accurate computer procedure converting a tabulated scattering matrix into the corresponding set of expansion coefficients. This short communication summarizes the theoretical basis of this procedure and serves as the user guide to a simple public-domain FORTRAN program.
Document ID
20170006588
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
Authors
Mishchenko, Michael I.
(NASA Goddard Inst. for Space Studies New York, NY United States)
Geogdzhayev, Igor V.
(Columbia Univ. New York, NY, United States)
Yang, Ping
(Texas A&M System Univ. College Station, TX, United States)
Date Acquired
July 17, 2017
Publication Date
May 21, 2016
Publication Information
Publication: Journal of Quantitative Spectroscopy and Radiative Transfer
Publisher: Elsevier
Volume: 183
ISSN: 0022-4073
Subject Category
Physics Of Elementary Particles And Fields
Report/Patent Number
GSFC-E-DAA-TN33933
Funding Number(s)
CONTRACT_GRANT: NNX14AB99A
Distribution Limits
Public
Copyright
Other
Keywords
scattering matrix
Stokes parameters
radiative transfer
polarization
generalized spherical functions
electromagnetic scattering

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