Nyquist Diagram

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Nyquist Diagram

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The Nyquist command computes the Nyquist plot of a system.

NyquistDiagram

 

20-sim automatically generates a range of real and imaginary parts, based on the system dynamics. With the Plot Properties command (right mouse menu), you can change this horizon and recalculate the Nyquist diagram (click the Nyquist command again).

Plot Options

Using the right mouse menu, you can use several options:

Plot Properties: Set the plot properties.
Numerical Values: Inspect numerical values.
Phase/Gain Margins: Display the gain and phase margins.
Modulus Margin: Display the Modulus Margin.
Copy to Clipboard: Copy the plot to the windows clipboard.
Print: Print the plot.
Zoom in: Show a detail of the plot.
Zoom out: Show a larger portion of the plot.
Zoom Normal: Show the complete plot.