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What is the formula s = J 2 π f? What is its physical meaning?
What you asked is not very clear ~ I can only say my understanding
I don't know if you are talking about Laplace transform, where 2 π f = ω
So it becomes s = J ω
It seems that it should be the relationship between Laplace transform and sinusoidal steady state. It's a circuit thing. It's a bit troublesome to say. You can look for related books. But the equal sign needs to be considered. It's just the corresponding relationship, not equal
But I don't know if it's the answer you want~
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