Abstract:Abstract-An analytic solution to the problem of plane wave scattering by an achiral multilayered sphere in a host chiral medium is obtained in this paper. By applying the radiation-to-scattering transform, the scattering problem can be considered as the specific radiation problems where the radiated source equivalent to the electromagnetic plane wave is located at infinity. The volumetric currents which generate right circular polarization (RCP) and left circular polarization (LCP) plane waves, respectively, a… Show more
“…Understanding the radiation budget of Earth and the atmosphere system, and hence its climate, must begin with an understanding of the scattering and absorption properties of clouds particles [1][2][3][4][5][6][7]. A large number of clouds particles are nonspherical ice crystal.…”
Abstract-The scattering of visible light by hexagonal-shaped column containing densely packed inclusions is simulated by a combination of ray-tracing and Monte Carlo techniques. While the ray tracing program takes care of the individual reflection and refraction events at the outer boundary of the particle, the Monte Carlo routine simulates internal scattering processes. A dense-medium light-scattering theory based on the introduction of the static structure factor is used to calculate the phase function for densely packed inclusions. Numerical results of the phase function for a randomly oriented hexagonal-shaped ice crystal with multiple densely packed inclusions are evaluated.
“…Understanding the radiation budget of Earth and the atmosphere system, and hence its climate, must begin with an understanding of the scattering and absorption properties of clouds particles [1][2][3][4][5][6][7]. A large number of clouds particles are nonspherical ice crystal.…”
Abstract-The scattering of visible light by hexagonal-shaped column containing densely packed inclusions is simulated by a combination of ray-tracing and Monte Carlo techniques. While the ray tracing program takes care of the individual reflection and refraction events at the outer boundary of the particle, the Monte Carlo routine simulates internal scattering processes. A dense-medium light-scattering theory based on the introduction of the static structure factor is used to calculate the phase function for densely packed inclusions. Numerical results of the phase function for a randomly oriented hexagonal-shaped ice crystal with multiple densely packed inclusions are evaluated.
“…Among various integral equation approaches, the surface integral equation (SIE) approach is often used for the analysis of microstrip antennas, where the multilayer medium Green's function is employed to take into account the effect of the dielectric substrate and ground plane [10][11][12][13][14]. The major advantage of the SIE approach is its lower memory requirement, since basis functions are only assigned on conducting patches.…”
Abstract-A novel method based on the hybrid volume-surface integral equation (VSIE) and the impedance matrix interpolation technique is presented for the fast analysis of microstrip antennas in frequency sweeps. A novel impedance matrix interpolation scheme is extended to the impedance matrix associated with VSIE, thus providing high accuracy, high efficiency, and large interpolation bandwidth for metal-dielectric composite problems. To demonstrate the effectiveness and accuracy of the proposed technique, numerical results for typical rectangular patch antennas and a broadband U-slot rectangular patch antenna are presented. Good agreement among the interpolation results, the exact method of moments (MoM) solutions, the finite element method (FEM) solutions, and measured data is observed over the bandwidth. The interpolation bandwidth is further investigated through a scattering problem. Numerical results show that high accuracy is obtainable within 10 : 1 bandwidth.
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