[Scilab-users] Envelop of a noisy curve

[Tim Wescott]

It sounds like he's looking for the digital equivalent of what would
come out of a diode detector in an AM radio -- the Hilbert transform
isn't going to help much, there.

On Fri, 2015-04-24 at 13:36 +0100, Mike Page wrote:
> Hi Paul,
> 
> 
> Usually the envelope is calculated via the magnitude of the Hilbert
> transform.  Check out Hilbert in the help.  As usual there are some
> caveats, but often this is close enough without further work.
> 
> 
> HTH,
> 
> Mike.
> 
> 
> 
> On 24 April 2015 at 13:05, <paul.carrico at free.fr> wrote:
>         Dear All,
>         
>         I am absolutly not familiar with "signal processing" field, so
>         my question is probably naïve: how can I proceed to get the
>         envelop curve (maximum values) of a non periodic noisy
>         signal ?
>         
>         Thanks for any suggestion
>         
>         Have a good WE
>         
>         Paul
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> 
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-- 

Tim Wescott
www.wescottdesign.com
Control & Communications systems, circuit & software design.
Phone: 503.631.7815
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