Successive SIW (Substrate Integrated Waveguides) types for width reductions by physical reasoning and formulas by analytical (use of) MoM

Abstract

In this paper, the SIW studied are: beginning from a RWG (regular waveguide of solid walls), to SIW (with sidewalls of vias), then ridged and folded SIWs; for successive narrower waveguide widths. Based on physical reasoning, the analytical formulas derived are accurate with 3 % or less error. 

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