calculation of s11 for a nonlinear circuit using ADS

hi everybody
I want to calculate S11 for a nonlinear circuit using harmonic balance ADS (s-param analyzes linear )
how can I do it?

What do you want to mean by "s-param analyzes linear " ?

What S11 do you wan to evaluate ?

(1) S11 based on DC operation analysis.
(2) S11 based on Large Signal Periodic Steady State Analysis
(3) Large Signal S11

SP Analysis for (1)
HB1tone-SmallSignal Analysis for (2)
HB1tone Analysis for (3)

(1) and (2) are small signal S11.
(3) is a large signal S11.