This paper has a research on several aspects of it by using two-dimensional Finite Difference Frequency Domain (FDFD) method. Scattering characteristics of complex targets are calculated by using FDFD method, Used the Huygens principle, in the FDFD equations boundary nodes in node plus or minus the incident field, and the plane incident is introduced to the total field area. Computational bistatic RCS of metal pillar array.the numerical results show that the correctness and effectiveness of themethod presented in this Dissertation.
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