ECG filtering based on AR modeling (using Kalman filter)

Hi All,
Can I know from an experienced and/or knowledgable guy out there---
1). What is the good choice of "Short-time-stationary" window length in
the ECG case?
2). What is the sufficient no. of AR parameters to model ECG well enough
for filtering?
3). Besides instrumentation noise which other artefacts can be modeled as
"white".
Anticipating enlightening responses, 
                                              Kulshreshtha M. 

"Mohit" <gurusiyag@yahoo.com> wrote in message
news:qvednYkxPvJoplvYnZ2dnUVZ_r2onZ2d@giganews.com...
> Hi All,
> Can I know from an experienced and/or knowledgable guy out there---
> 1). What is the good choice of "Short-time-stationary" window length in
> the ECG case?

Dunno
 2). What is the sufficient no. of AR parameters to model ECG well enough
> for filtering?
Ten should be ample.
mentation noise which other artefacts can be modeled as
> "white".

Nothing really.
enlightening responses,
>                                               Kulshreshtha M.
>
>



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