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Re: Digital Filters or Z-Tranform indicators



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Further,

What "state space" models exist - if any... "State Space" indicators?...

Rolf L. Quam wrote:

> I am interested, are there many Z-Transform indicators available? For
> filters, I would like to be able to specify things like cutoff frequency
> / 3db points and be able to convolute them to provide "notch" filters...
> Any Kalman filters out there? It would be best if classified by type of
> filter:
>
>     All pass
>     Band pass
>     Hi/Low pass
>     biquad
>     bridged
>     bridged-T
>     notch
>     Butterworth
>     lead
>     lag
>     Kalman (predictive)
>     etcetera... (or, perhaps, by "order")
>
>     Any good "cross correlation, auto correlation?"
>     What about "wavelets" - something I know little about...
>     Also - chaos, strange attractors...
>
>         RQ