Compute the power spectral density of $x(t) = \operatorname{sgn}(t)$
Hint: $$\lim_{t\to\infty} t(\operatorname{sinc}(ft))^2 = \delta(t).$$
Please help me I have to solve this exercise urgently.
Thanks.
Compute the power spectral density of $x(t) = \operatorname{sgn}(t)$
Hint: $$\lim_{t\to\infty} t(\operatorname{sinc}(ft))^2 = \delta(t).$$
Please help me I have to solve this exercise urgently.
Thanks.