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Accurate and efficient study of substrate-integrated waveguide devices using iterative wave method

Published online by Cambridge University Press:  27 August 2015

Jamel Ben Romdhan Hajri ,
Hafedh Hrizi  and
Noureddine Sboui
Jamel Ben Romdhan Hajri*
Affiliation:
Sciences Faculty of Tunis, University of Tunis El Manar 2092 Tunis, Tunisie
Hafedh Hrizi
Affiliation:
Sciences Faculty of Tunis, University of Tunis El Manar 2092 Tunis, Tunisie
Noureddine Sboui
Affiliation:
Sciences Faculty of Tunis, University of Tunis El Manar 2092 Tunis, Tunisie
*
Corresponding author: J. Ben Romdhan Hajri Email: hajri.jamel83@gmail.com
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Abstract

This paper proposes an efficient and fast analysis of substrate integrated waveguide (SIW) components using a new approach of the iterative method called WCIP, i.e. “Wave Concept Iterative Process”. This method is based on the iterative resolution of waves between two domains. The first is the spectral domain. We use the Floquet–Bloch decomposition to describe all modes in the spectral domain. The second describes the configuration of the circuit in the spatial domain. It allows taking the exact structure according to the appropriate boundary conditions. This method permits to reduce numerical complexity. The convergence of this approach is always guaranteed. The theoretical suggested study is validated by the simulation of two different examples of SIW circuits. The obtained results are in good agreement with those of measurement and with software HFSS simulations, which prove the advantage of this method.

Keywords

SIW circuitsWCIPFloquet–Bloch transformation2D-FFTSpatial domainSpectral domain
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 9 , Issue 1 , February 2017 , pp. 85 - 91
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2015 

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