Improvement In Lumped Element Analysis?

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Alec Reed 2018-5-22

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https://ww2.mathworks.cn/matlabcentral/answers/401984-improvement-in-lumped-element-analysis

编辑： Alec Reed 2018-6-6

I am modeling a twisted pair of wires in Simulink as a lumped element model and then pushing a square wave through and analyzing the output. Given the Lumped elements are frequency dependent, I run a sweep at a high frequency and then another sweep at a low frequency and aggregate and weight the outputs to create an accurate output wave.

It seems like there should be a way to pass your input square wave through a Laplace or Fournier transform and then run the calculations. Increasing accuracy of your simulation by calculating at all frequencies rather than just 2. Is there a better way to run this Sim that would both increase our accuracy and increase the speed of results? Maybe using Z-Transforms or S-parameters? Or passing the input/output wave through some sort of transfer function?