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We present a novel parameterized model order reduction technique applicable to the Partial Element Equivalent Circuit analysis that provides parametric reduced order models, stable and passive by construction, over a user defined design space. We treat the construction of parametric reduced order models on scattered design space grids. This new parameterized model order reduction technique is based...
This paper introduces a constrained vector fitting algorithm which can directly identify a passive driving point function (impedance or admittance) from frequency domain data. The proposed positive fractions vector fitting (PFVF) algorithm formulates the residue identification step as a convex programming problem, while the pole identification step follows the unaltered standard Vector Fitting procedure...
A simple rule of thumb is proposed for automatic model order estimation of the rational macromodels for passive components and systems. Based on an analysis of the dynamic behavior of the (measured or simulated) frequency domain scattering parameters, upper and lower bounds for the number of poles are proposed. Several interconnection examples with different complexity are presented to illustrate...
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