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We propose the use of a highly-accurate three-dimensional (3D) fully automatic hp-adaptive finite element method (FEM) for the characterization of rectangular waveguide discontinuities. These discontinuities are either the unavoidable result of mechanical/electrical transitions or deliberately introduced in order to perform certain electrical functions in modern communication systems. The proposed...
The accurate analysis and characterization of waveguide discontinuities is an important issue in microwave engineering. In some cases, the discontinuities are an unavoidable result of mechanical or electric transitions which effects have to be minimized; in other cases, the discontinuities are deliberately introduced into the waveguide to perform a certain electric function.This is the first of two...
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