- #1
jendrix
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Homework Statement
Given that r(t) = L^-1 (Inverse laplace) *H(S) and by making the link between the time-domain and frequency-domain responses of a network, explain in detail why the ideal “brick-wall” lowpass filter is not realisable in practice. [/B]
Homework Equations
The Attempt at a Solution
Is r(t) any input signal or is it a specific type? I am completely stumped by this.
Regards