skrf.network.Network.group_delay

Network.group_delay

The group delay

Usually used as a measure of dispersion (or distortion).

Defined as the derivative of the unwrapped s-parameter phase (in rad) with respect to the frequency.

-d(self.s_rad_unwrap)/d(self.frequency.w)

https://en.wikipedia.org/wiki/Group_delay_and_phase_delay