When the process phase for small frequencies starts in values less than 180 degrees (for example -270 degrees), the program interprets this as a positive angle (+90 degrees for this example). Thus, the gain and phase margins in the bode diagram are not properly displayed.
When the process phase for small frequencies starts in values less than 180 degrees (for example -270 degrees), the program interprets this as a positive angle (+90 degrees for this example). Thus, the gain and phase margins in the bode diagram are not properly displayed.