Re: Butterworth filter
- To: mathgroup at smc.vnet.net
- Subject: [mg108442] Re: Butterworth filter
- From: Tyler <hayes.tyler at gmail.com>
- Date: Thu, 18 Mar 2010 04:31:17 -0500 (EST)
- References: <hnkfa8$po0$1@smc.vnet.net> <hnl0ln$6uq$1@smc.vnet.net>
On Mar 15, 6:03 am, "Nasser M. Abbasi" <n... at 12000.org> wrote: > "Luigi B" <l.balz... at gmail.com> wrote in message > > news:hnkfa8$po0$1 at smc.vnet.net... > > > Dear All, > > I have a table {{x,y}} of measured data with significant noise. > > I am not into signal processing and I would like to filter this table > > with a Butterworth type of filter. > > Does anyone have a suitable routine? (That would allow changin the > > order of the filter as well, like the function 'butter' in another > > system). > > > Thanks, Luigi > > This is not much help to you now, but there used to be a Mathematica add-= on > application called signals and systems which had this and more filters: > > http://documents.wolfram.com/applications/signals/FilterAnalysisandDe... Wow. Just checked that package out. It really IS a shame it is no longer offered. I would've loved to have that package at my disposal....