Time again for another gEEk SpEEK Webinar titled: Causality Enforcement or
No Causality Enforcement? That is the Question.
Presented by Stefaan Sercu.
Stefaan is an R&D engineer at Samtec and one of the smartest people that i
know. As in Shakespeare, the nature of reality is tenuous at best. Stefaan
will discuss the implication of uncertain measurements and simulations
using s-parameters, and their impact on the reality in the time domain.
The quality of time domain simulation results, using Fourier
transformations (e.g. COM simulations), depends highly on the quality of
the Sâparameter models used. Causality is shown to be an important
parameter limiting the usefulness of a model. In this webinar we show that
causality problems can be classified as mathematical and physical in origin.
Mathematical non-causalities are caused by discretization and truncation of
S-parameters models while physical non-causalities are caused by
simulations and/or measurement inaccuracies and noise. Causality
enforcement algorithms can be used to make S-parameter models causal. While
improving the quality of a model, these enforcement algorithms have also an
impact on the accuracy of the simulated results. The webinar will learn
when it is save to use causality enforcement algorithms and when not.
Register here:
https://samtec.zoom.us/webinar/register/4116080535756/WN_aAjlXkYHTtiLeUfjJ69JSA
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