Automated Modeling of Microwave Structures by Enhanced Neural Networks
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The paper describes the methodology of the automated creation of neural models of microwave structures. During the creation process, artificial neural networks are trained using the combination of the particle swarm optimization and the quasi-Newton method to avoid critical training problems of the conventional neural nets. In the paper, neural networks are used to approximate the behavior of a planar microwave filter (moment method, Zeland IE3D). In order to evaluate the efficiency of neural modeling, global optimizations are performed using numerical models and neural ones. Both approaches are compared from the viewpoint of CPU-time demands and the accuracy. Considering conclusions, methodological recommendations for including neural networks to the microwave design are formulated.
Document typePeer reviewed
Document versionFinal PDF
SourceRadioengineering. 2006, vol. 15, č. 4, s. 71-75. ISSN 1210-2512
- 2006/4