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Low-profile, Ultra Wideband and Dual Polarized Antennas and Feeding Systems

Abstract : The main objective of this thesis is to obtain a wideband feeding system compatible with compact wideband antenna geometries with dual polarization properties. These feeding systems are designed according to the antenna performance and their structural nature. Therefore we were encountered with two main problems: first of all investigating new balun configurations which can operate in wideband frequency. In other words, we had to achieve balun configurations presenting good impedance and fields matching in wide frequency bandwidth. Moreover, the aim of this balun design was to arrive to an integrated structure embracing these two properties- wideband characteristic and dual polarization properties. The second problem was to propose and develop wideband antenna architectures with compact form and conformal design. Also it was desired to have dual polarization abilities. In the designing procedure the main obstacle was that configurations embracing all these properties were rarely proposed in academic researches. In other words in the literature, it was presented rarely an integrated wideband balun connected to compact dual polarized antennas. In this thesis two types of wideband feeding systems are proposed and developed:
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Submitted on : Friday, June 18, 2010 - 8:00:00 AM
Last modification on : Friday, July 31, 2020 - 10:44:05 AM
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  • HAL Id : pastel-00006086, version 1



Mohammad Vahdani. Low-profile, Ultra Wideband and Dual Polarized Antennas and Feeding Systems. domain_other. Télécom ParisTech, 2008. English. ⟨pastel-00006086⟩



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