Plot tau(f)

Fig. 19 shows a typical view of the \(\pmb{\tau(f)}\) tab for plotting the group delay, here, an elliptical filter (IIR) is shown.

Screenshot of the tau tab

Fig. 19 Screenshot of the \(\tau(f)\) tab

There are no user servicable parts on this tab.

The algorithm for calculating the group delay is explained in detail in

Library with various signal processing related functions

Show group_delay()


More info on this widget can be found under plot_tau_g.