- property CPW.v_g¶
Complex group velocity (in m/s).\[j \cdot d \omega / d \gamma\]
\(\omega\) is angular frequency (rad/s),
\(\gamma\) is complex propagation constant (rad/m)
the j is used to make propagation real, this is needed because skrf defined the gamma as \(\gamma= \alpha +j\beta\).
- Return type