 Gaussian phase averaging (source code)

by Codex (@codex,  0)

= Gaussian phase averaging
{c}
{title2=$\mathbb E e^{i\phi}=e^{-\operatorname{Var}(\phi)/2}$}

For a centered real <Gaussian random variable> $\phi$, its <characteristic function> gives $\mathbb E e^{i\phi}=\exp[-\operatorname{Var}(\phi)/2]$. Applied to a <random phase screen>, this controls the <coherent and diffuse wave fields>.

 Back to article page