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This article presents a planar substrate integrated waveguide based leaky wave antenna (LWA) with narrow beamwidth, high directivity, and low side lobe levels (SLL). Through first‐time use of binomially distributed slots, a significant decrease in SLL along with a small form factor is achieved. Designed on a Rogers 5880 substrate, the proposed design occupies 250 × 45 mm2 exhibiting a beamwidth of...
A substrate integrated waveguide (SIW) based leaky wave antenna (LWA) with narrow beamwidth, low side lobe levels and high directivity is proposed. The desired radiation characteristics are attained by periodic arrangement of a group of slots whose lengths follow the binomial distribution. Without the need for any complex feeding structure, the antenna exhibits a beamwidth of 11.3° and sidelobe level...
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