Title :
An approach of three-dimensional vector radiative transfer (3-D-VRT) equation for inhomogeneous scatter media
Author :
Jin, Ya-Qiu ; Liang, Zichang
Author_Institution :
Key Lab. of Wave Scattering & Remote Sensing Inf. of the Minist. of Educ., Fudan Univ., Shanghai, China
Abstract :
To solve a three-dimensional vector radiative transfer (3-D-VRT) equation for the model of spatially inhomogeneous scatter media, the finite enclosure of the scatter media is geometrically divided, in both the vertical z and horizontal (x,y) directions, to form very thin multiboxes. The zeroth-order emission, first-order Mueller matrix of each thin box, and an iterative approach of high-order radiative transfer are applied to deriving high-order scattering and emission of whole inhomogeneous scatter media. Numerical results of polarized brightness temperature at microwave frequency from an inhomogeneous scatter model such as vegetation canopy are calculated and discussed.
Keywords :
atmospheric radiation; atmospheric techniques; electromagnetic wave scattering; iterative methods; radiative transfer; remote sensing; 3D-VRT equation; finite enclosure; first-order Mueller matrix; high-order radiative transfer; high-order scattering; iterative approach; microwave frequency; polarized brightness temperature; spatially inhomogeneous scatter media; three-dimensional vector radiative transfer; vegetation canopy; zeroth-order emission; Brightness temperature; Clouds; Equations; Iterative methods; Nonhomogeneous media; Particle scattering; Remote sensing; Solid modeling; Spatial resolution; Vegetation mapping;
Journal_Title :
Geoscience and Remote Sensing, IEEE Transactions on
DOI :
10.1109/TGRS.2003.817686
