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A technique for computationally efficient multi-objective design optimization of compact RF/microwave components is presented. Our approach exploits response surface approximation (RSA) models of the basic building blocks of the structure of interest and their cascade connection as a fast low-fidelity model of the entire structure. The set of Pareto-optimal solutions (corresponding to the best possible...
An efficient methodology for creating fast and accurate surrogate models of microwave filters is presented. Instead of approximating S-parameters of the filter structure under consideration directly, the proposed approach is based on response surface modeling of its coupling matrix coefficients. The dependence between designable parameters (filter dimensions) and coupling matrix coefficients is considerably...
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