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This paper presented a miniaturization rectangular waveguide which much smaller than hallow rectangular waveguide (HRWG) having same cutoff frequency of dominant mode and a large bandwidth of single dominant mode working (BWSMW) by inserting a suspended dielectric layer which partly covered a metal grounded plane. The numerical simulating shows that the cutoff frequency of dominant mode descended,...
A new kind of waveguide (WG) is presented in this article. The new WG is structured in a metal rectangular WG loaded with a substrate which partly is covered by a short circuit metal patch. The propagation characteristics and electric field Ey's numerical distribution in the transverse section of its dominating mode and high order modes are presented by a novel 2D_FDTD scheme. As an application of...
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