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A modified on-surface discretized boundary equation (OS-DBE) method is proposed for solving scattering problems of conducting cylinders with electrically large concave parts. It utilizes the original OS-DBE to determine the surface current density on the convex part point by point, while obtains the current distribution for the concave area by the OS-DBE in only one operation. Numerical results are...
The application of the method of moments usually requires a minimum degree of differentiability for basis and testing functions. Through the solution of the electric field integral equation (EFIE) for scattering by a perfect conducting cylinder illuminated by a TE wave, however, it is shown that such a restriction can be loosed. Theoretically, pulse basis functions and point matching are usually considered...
The recently developed on-surface discretized boundary equation method for scattering by conducting cylinders was based on scattered field expressions in terms of true electric surface currents. In this paper, an alternative form of the method is derived by making use of virtual magnetic surface currents. Numerical results are presented to demonstrate its validity and applicability. A comparison between...
This paper aims to describe the implementation of shadow suppression algorithm in an intelligent tracking system based on multimedia digital signal processor (DSP). In our application, the fast filling and noise elimination algorithm is added to improve the accuracy of shadow suppression. In order to achieve real-time performance, several optimization techniques have been applied to shadow suppression...
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