Is there a linear filter whose step-response (or ramp-response) is an S-curve?
I think the properties I'm looking for here are (1) time-reversal symmetry, and (2) at least a continuous first derivative.
Is there a linear filter whose step-response (or ramp-response) is an S-curve?
I think the properties I'm looking for here are (1) time-reversal symmetry, and (2) at least a continuous first derivative.
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