So yeah, I have $f(t)=e^{-t}H(t-\frac{1}{2})$ and I want to calculate its energy and what $\omega$ range holds 95% of the signal's total energy. I know that I'm probably going to use Parseval and time shift to make the function integral range from $0$ to $inf$, but I'm not quite sure as to how.
2026-05-03 03:18:43.1777778323
Using parseval's theory to calculate energy of signal $f(t)=e^{-t}H(t-\frac{1}{2})$
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