As the scatterer size is comparable with the wavelength, a rigorous solution of the T-matrix is used to calculate scattering from the scatterer. When scatterers are clustered, coherence of collective scattering from clustered particles must be taken into account. We employ a multiple scattering formulation of the T-matrix method to present numerical simulations of polarized bistatic scattering from a cluster of scatterers. Numerical results show characteristic effects of polarized scattering by clustered particles and functional dependence on clustering and other parameters. Numerical calculations are well-compared with experimental data of a two-sphere cluster. [References: 9]
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