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In recent years a new structure called ridge gap waveguide (RGW) is introduced to implement high efficient and planar microwave component devices specially at millimeter wave applications. A few types of antennas have been implemented by this technology by now. In This paper a new design for H-plane horn antennas is presented using this technology. In proposed antennas, the backward radiation is suppressed...
The SIW (substrate integrated waveguide) technology makes use of metal vias in a dielectric substrate, electrically connecting two parallel metal plates, to make a waveguide. The main advantages of SIW are simple geometry, low manufacture cost and integratability with MMIC (monolithic microwave integrated circuit) or other circuits. It is often required to have E-plane bend components in the whole...
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