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Subject: Re: Convert frequency response data to simulink block
Date: Thu, 4 Sep 2008 18:58:02 +0000 (UTC)
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"Rajiv Singh" <rajiv_singh@msn.com> wrote in message
<g9p1i4$3ge$1@fred.mathworks.com>...
> Hi Ben,
> Could you outline your steps with using System
Identification Toolbox? It 
> should be possible to represent your data using IDFRD
object and then create 
> a transfer function from it using functions such as PEM
and OE.
> 
> Rajiv
> 
> "Ben Wu" <wushizhang@gmail.com> wrote in message 
> news:g9p0rm$o6j$1@fred.mathworks.com...
> >> maybe firls could be of help
> >
> > thanks.
> > you mean the function "firls"? 
> 
> 


Sure. Thanks for reply.
I have three vectors: magnitude, phase, frequency. I import
these data as freq.frequency(amp/phase). Then I estimate it
by using spectral model. Finally, I get IDFRD model and do
not what to do next.