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Monte Carlo (MC) numerical simulation has been applied to calculation of scattering and extinction coefficients ks, ke and the effective propagation constant K of random dense particles. These discussions are based on the case for ice grains of snowpack with fv < 0.4. However, correlated scattering from very dense random particles such as fv > 0.4 has not been studied. In this paper, two MC methods (i.e. sequential addition method and random shuffling method) are adopted to generate randomly spatial positions of very dense spherical particles. Numerical approaches for calculations of ks, ke and K for very dense particles fv > 0.4 are developed. Numerical simulations show that random media of very dense particles demonstrate particles clustering and enhance scattering as bigger or clustered particles.
Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings (Volume:4 )
Date of Conference: 4-7 Dec. 2005