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Fast Analysis of a Broad-Band Microwave Rectenna Using 3-D FEM and Padé Approximation

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3 Author(s)
Essakhi, B. ; Univ. de Paris-Sud, Gif-sur-Yvette ; Pichon, L. ; Akoun, G.

In this paper, a computationally efficient model of a broad band microwave rectenna is presented. A rectenna is a microwave power receiver: it includes a rectifying circuit and an antenna. In this paper, the combination of a 3-D edge finite-element method with a Padeacute rational approximation procedure allows a fast characterization of the antenna over the wide frequency band. Then an equivalent circuit of the whole device including distributed parts and lumped nonlinear components is easily obtained. A global circuit time domain simulation of the rectenna with PSPICE is thus available

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Magnetics, IEEE Transactions on  (Volume:43 ,  Issue: 4 )