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The "Split aperture decoupling" method is applied for the first time to the multi-beam pillbox antenna. This method allows simultaneously a large angular coverage, high crossing level and low side lobes levels (SLLs) for a lossless multi-beam antenna system. To validate the proposed concept a SIW (Substrate Integrated Waveguide) pillbox antenna with two radiating apertures was designed at...
In the present study the “Split aperture decoupling” method is applied to pillbox antennas in order to have low side lobe and high beam crossover levels at the same time. These two constraints cannot be satisfied simultaneously for any passive and lossless multi-beam antenna systems with a single radiating aperture. In order to validate the proposed concept a novel Substrate Integrated Waveguide (SIW)...
A novel dual-layer multibeam pillbox antenna with a slotted waveguide radiating part in substrate-integrated waveguide (SIW) technology is proposed. In contrast to previous works, the design goal is to have a multibeam antenna with arbitrary low sidelobes and at the same time a high crossing level between adjacent radiated beams. These two constraints cannot be satisfied simultaneously for any passive...
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