Autocorrelation Calculator

Insert an energy signal \(x(t)\) and plot its autocorrelation according to $$ \begin{align} \varphi_{xx}^\mathrm E(\tau) &= \int_{-\infty}^{\infty} x(t+\tau)x^\ast(t)\mathrm dt \\ &= x(\tau)\ast x^\ast(-\tau). \end{align} $$