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Accurate and Accurate and Efficient SSN Modeling

Accurate and Accurate and Efficient SSN Modeling

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S-parameter S parameter H<strong>and</strong>ling<br />

State State-Space Space (Default)<br />

Convolution<br />

� Much faster for long transients<br />

� Passivity enforcement<br />

� Causality enforcement<br />

� Up front cost building model<br />

� Does not extrapolate<br />

� May not achieve fit on noisy<br />

data<br />

�� Cannot model long delays, delays ~22<br />

λ<br />

� More options for convergence<br />

� Can h<strong>and</strong>le long delays<br />

� Data filtering options<br />

� Extrapolates well<br />

� Sim time increases<br />

quadratically with tran time<br />

� Requires linearly spaced data

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