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Non-Uniformly Fed Broadband CTS Array for Side Lobe Level Reduction is E-plane

Abstract : We propose here a new architecture of parallel-fed Continuous Transverse Stub (CTS) antenna array based on nonuniform power dividers. The antenna comprises 16 slots fed in parallel by a parallel plate waveguide (PPW) corporate feeding network and a pillbox PPW coupler. For the first time, this network divides non-uniformly the power among the slots to achieve reduced side lobe levels (SLL) in E-plane. This is made possible by the development of a novel asymmetrical power divider in PPW technology. A CTS array has been designed in E-band (71-86 GHz) and validated by full-wave simulations over the entire bandwidth, with SLL below -28.5dB both in E- and H-planes. The gain remains stable between 71 and 86 GHz and in the range of 25 dBi. © 2018 IEEE.
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Contributor : Laurent Jonchère Connect in order to contact the contributor
Submitted on : Wednesday, April 3, 2019 - 2:43:20 PM
Last modification on : Wednesday, April 27, 2022 - 3:48:57 AM



T. Potelon, M. Ettorre, R. Sauleau. Non-Uniformly Fed Broadband CTS Array for Side Lobe Level Reduction is E-plane. 2018 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting, APSURSI 2018, Jul 2018, Boston, United States. pp.819-820, ⟨10.1109/APUSNCURSINRSM.2018.8609160⟩. ⟨hal-02089126⟩



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