Group delay dispersion
= Group delay dispersion
{title2=$\phi_2$}
The second <derivative> of <spectral phase> with respect to <angular frequency>; it measures variation of <group delay> with <angular frequency>.
= Group delay dispersion
{title2=$\phi_2$}
The second <derivative> of <spectral phase> with respect to <angular frequency>; it measures variation of <group delay> with <angular frequency>.