A Rigorous Numerical Comparison for Parameter Extraction Using Classical and Kullback-Leibler Formulations Illustrated with Full-Wave EM and Equivalent Circuit Models for Microstrip Filters
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IEEE
Resumen
Numerical circuit parameter extraction (PE) is a key sub-process of space mapping (SM), which is used to efficiently optimize full-wave EM responses of microwave structures exploiting faster but inaccurate physics-based auxiliary models. Any improvement in PE has a positive impact on SM design optimization. In this paper, we apply for the first time a PE formulation based on the Kullback-Leibler distance to microstrip filters using their full-wave EM responses as targets. We perform a rigorous numerical comparison of PE based on the K-L formulation against PE using classical norms. Our results confirm a better PE performance using the Kullback-Leibler formulation than those obtained with traditional PE formulations.
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Chebyshev, EM, Euclidean, Kullback-Leibler, Manhattan, Filter, Microstrip, Norm, Applied Mathematics::Optimization and Systems Theory, Parameter Extraction, Space Mapping
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R. Loera-Díaz, J. E. Rayas-Sánchez and E. R. Villa-Loustaunau. A rigorous numerical comparison for parameter extraction using classical and Kullback-Leibler formulations illustrated with full-wave em and equivalent circuit models for microstrip filters, in IEEE MTT-S Latin America Microwave Conf. (LAMC-2025), San Juan, Puerto Rico, Jan. 2025, pp. 93-96.