| Summary: | This paper investigates the scattering characteristics of periodic open cabinets in nuclear power plants using the mode-matching technique. The concept of a parallel-plate waveguide is adopted, and the power conservations at all junctions are confirmed. The incident power is almost equivalent to the summations of the reflected and transmitted powers at all junctions, and the differences in the power for all cases are almost zero. A multiregion problem is systematically applied to resolve the entire scattered fields, and the resulting contour plots for the field strength according to various modal incidences are displayed. Based on this paper, modal field distributions for multilayer cabinet structures can be extensively analyzed.
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