Transfer function fit estimate

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HWIK
HWIK 2021-4-12
评论： Star Strider 2021-4-12
I generated a transfer function based on some data using the tfest, and I obtained a 97% fit. But when plotted together to compare I obtain the following:
Where the simulation line is the original data and TF_est is the estimated transfer function. To me that doesn't seem like a 97% fit, am I missing something?

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Star Strider
Star Strider 2021-4-12
I’m not certain exactly what you’re plotting. I always use the compare function to see how closely the estimated system matches the data used to characterise it.

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