Advance of satellite-borne microwave remote sensing programs, such as active SAR, ERS scatterometer etc., during recent decades has promoted study of theoretical modeling, data calibratiodvalidation, image analysis, surface classification, ami parameter inversion for these program~l'*~1. ~n this paper, to simulate polarimetric scattering from tree canopy applicable to SAR imaging at C band, the scattering amplitude functions of randomly oriented, non-spherical particles (e.g. leaves with thii thickness, branches with small radius) are derived in the generalized Rayleign-Gans (GRG) approximation. Numerical results show the
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