2.8 S-Parameters
If the current post-processing is S-Parameters post-processing, the 
button in Results tab of QW-Simulator opens Results window with S-parameters results of this current post-processing. The current post-processing can be changed with 
button in Run tab of QW-Simulator and Run->Next Postprocessing command from QW-Simulator main menu. The name of the current post-processing is displayed in the status bar of the Results window.
The 
button in Results tab of QW-Simulator Ribbon invokes Results window with S-parameters results in XY coordinates.
The 
button in Results tab of QW-Simulator Ribbon invokes Results window with S-parameters results in Polar coordinates.
The 
button in Results tab of QW-Simulator Ribbon invokes Results window with S-parameters results in Smith chart.
The Results->S-Parameters Results command from QW-Simulator main menu invokes Results window with S-parameters results with display settings taken from the environment history for the first not used Results window.
When we see that refreshing the Results window does not cause significant changes of the displayed S-parameter curves, we can assume that convergence of the process has been achieved and we can decide to terminate the calculations
With S-parameters results we can observe: