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Accurate modelling of microwave structures using shape-preserving response prediction

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2 Author(s)
Koziel, S. ; Eng. Optimization & Modeling Center, Reykjavik Univ., Reykjavik, Iceland ; Szczepanski, S.

An improved technique for accurate modelling of microwave structures is presented. It is a modification of a recently introduced approach exploiting shape-preserving response prediction (SPRP) procedure that estimated the response of the CPU-intensive EM-simulated microwave structure using an auxiliary and computationally cheap model of the structure and a single reference design. Here, the response is estimated using multiple reference designs, which allows better utilisation of available training data. It is demonstrated that the proposed approach offers excellent modelling accuracy, which is not only better than the accuracy provided by space mapping but also better than the accuracy of the original modelling using SPRP. The authors approach is particularly suitable to build low-cost models useful to perform design tasks such as parametric optimisation and statistical analysis.

Published in:

Microwaves, Antennas & Propagation, IET  (Volume:5 ,  Issue: 9 )

Date of Publication:

June 27 2011

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