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Thread Subject:
Least-Squares Approximation of FIR by IIR Digital Filters

Subject: Least-Squares Approximation of FIR by IIR Digital Filters

From: Kenneth Faller II

Date: 2 Apr, 2010 14:59:09

Message: 1 of 3

Hello,

I am trying to implement an algorithm described in the following paper:

H. Brandenstein and R. Unbehauen, Least-squares approximation of FIR by IIR digital filters, IEEE Trans. Signal Process. 46 (1998), pp. 21–30.

I found part of the code on the author's university website (http://www.acoustics.hut.fi/software/kautz/kautz.htm). There is a file called braun1.m that codes Section IV from the paper. Can't figure out the other part (Section III of the paper).

Any help would be appreciated.

John

Subject: Least-Squares Approximation of FIR by IIR Digital Filters

From: CHANDRA

Date: 10 Nov, 2010 01:17:05

Message: 2 of 3

Hi Kenneth,

My name is Chandra. I have been working on the same problem as you. While I have developed my own method of obtaining denominator, I have so far not been able to get the numerator for the IIR. I find the write up in the papers I have seen to be very confusing. Any pointers?

Chandra


"Kenneth Faller II" <jfaller30.nospam@mathworks.com> wrote in message <hp50nt$p0b$1@fred.mathworks.com>...
> Hello,
>
> I am trying to implement an algorithm described in the following paper:
>
> H. Brandenstein and R. Unbehauen, Least-squares approximation of FIR by IIR digital filters, IEEE Trans. Signal Process. 46 (1998), pp. 21–30.
>
> I found part of the code on the author's university website (http://www.acoustics.hut.fi/software/kautz/kautz.htm). There is a file called braun1.m that codes Section IV from the paper. Can't figure out the other part (Section III of the paper).
>
> Any help would be appreciated.
>
> John

Subject: Least-Squares Approximation of FIR by IIR Digital Filters

From: Steve

Date: 13 May, 2013 22:56:12

Message: 3 of 3

"CHANDRA" wrote in message <ibcrqg$n0n$1@fred.mathworks.com>...
> Hi Kenneth,
>
> My name is Chandra. I have been working on the same problem as you. While I have developed my own method of obtaining denominator, I have so far not been able to get the numerator for the IIR. I find the write up in the papers I have seen to be very confusing. Any pointers?
>
> Chandra
>
>
> "Kenneth Faller II" <jfaller30.nospam@mathworks.com> wrote in message <hp50nt$p0b$1@fred.mathworks.com>...
> > Hello,
> >
> > I am trying to implement an algorithm described in the following paper:
> >
> > H. Brandenstein and R. Unbehauen, Least-squares approximation of FIR by IIR digital filters, IEEE Trans. Signal Process. 46 (1998), pp. 21–30.
> >
> > I found part of the code on the author's university website (http://www.acoustics.hut.fi/software/kautz/kautz.htm). There is a file called braun1.m that codes Section IV from the paper. Can't figure out the other part (Section III of the paper).
> >
> > Any help would be appreciated.
> >
> > John

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