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Stability and Passivity Enforcement of Parametric Macromodels in Time and Frequency Domain

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2 Author(s)
Deschrijver, D. ; Inst. of Broadband Technol. (IBBT), Dept. of Inf. Technol. (INTEC), Ghent Univ., Ghent ; Dhaene, T.

This paper presents a robust technique for the macromodeling of time-domain and frequency-domain responses, which are parameterized by one or more design variables. The representation of the multivariate macromodel ensures that stability of the transfer function poles is enforced by construction. Passivity of the parametric macromodel can be enforced in a post-processing step by perturbation of barycentric weights.

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:56 ,  Issue: 11 )