With Wiener model it is possible to decompose the input-output relationship into two inter-connected blocks where the dynamics are represented by a linear dynamic block (linear system) and the non-linearties are captured by using a non-linear function of the output of the linear system.
Any other time-domain or frequency-domain techniques for the same purpose. Please help!!
Are you wanting to describe/model the behavior of something (i.e. system identification)?
Could you represent your non-linear system using a parallel bank of linear models, with some kind of mixing to capture the non linear or changing behavior?
@ Hugh Lachalan Kennedy
Thanks for your response. Yes I have used Wiener model to describe a non-linear system which has decomposed the system into two blocks: one linear and a non-linearity which satisfy requirements like having an inverse and having continuous derivatives etc.
This may be relevant ...
Conference Paper Sequential Monte Carlo Methods for System Identification
@Włodzimierz Greblicki
Thanks sir. your suggestion is of immense help to me.
@ Włodzimierz Greblicki
Sir can you kindly send ebook W. GREBLICKI, M. PAWLAK, Nonparametric System Identification, Cambridge University Press, Cambridge 2008.
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