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Optimization of Antenna ARMA (Agile Matrix Antenna radiating by pixel elaborated with Meta-material) For beam forming for the RFID and Radar Applications

Abstract : This thesis is based on a patent done at XLIM RF-Systems. Previous thesis focuses on the ARMA theoretical part and some validation in linear polarization. In this thesis we aimed to introduce the system ARMA to the circular polarization applications in general and to space applications especially. In the entire thesis circularly polarized ARMA with different architecture are achieved with the design of polarization circuits and power dividers. Beam forming of the wide Isoflux pattern with the axial ratio are presented, also scanning beams are achieved for far angles with good axial ratio. All the results are compared with the classical array antenna AESA. Manufacturing of circularly polarized ARMA and the polarization circuits and the power divider are done and the corresponding measurements are presented. Then in the perspectives different challenges are expected to be in a future work for enhancement of the whole ARMA system.
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Ali Siblini. Optimization of Antenna ARMA (Agile Matrix Antenna radiating by pixel elaborated with Meta-material) For beam forming for the RFID and Radar Applications. Electronics. Université de Limoges, 2017. English. ⟨NNT : 2017LIMO0061⟩. ⟨tel-01698830⟩

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