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Conception et caractérisation d’une Rectenna à double polarisation circulaire à 2.45 GHz

Abstract : The work presented in this thesis is within the subject of wireless power transmission, power applied to the remote sensors, networks of sensors and actuators with low power consumption. This study focuses on the design, characterization, and measurement of a rectenna circuit (rectifying antenna) with dual circular polarization at 2.45 GHz, and optimisation of the conversion efficiency. A global analysis tool, based on the iterative method was developed and used to validate the feasibility of this concept by this method. The Schottky diode was modeled using surface impedance. The dual circular polarization rectenna with microstrip technology has been optimized and characterized experimentally operating at 2.45 GHz. It includes the property of harmonic rejections. Two accesses can receive either direction LHCP or RHCP sense. The conversion efficiency of 63% has been measured with a power density of 0.525 mW/cm². A DC voltage of 2.82V was measured across an optimum load of 1.6 kohm
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Submitted on : Tuesday, March 27, 2012 - 11:37:22 AM
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  • HAL Id : tel-00682898, version 1


Zied Harouni. Conception et caractérisation d’une Rectenna à double polarisation circulaire à 2.45 GHz. Autre. Université Paris-Est, 2011. Français. ⟨NNT : 2011PEST1026⟩. ⟨tel-00682898⟩



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