Relations to Other Port Variables
For Port nodes, the outcoupling variables are related to S-parameter expressions as shown in TableĀ 2-16 below.
Related Port Expression
emw.portM.etaOut
In the variables and expressions in TableĀ 2-16, portM is the tag of the port and N is the value of the Port name parameter. It is assumed that the excited port has Port name set to 1.