Or a simple rolling average. -- Jay Daley
> On 9/05/2021, at 1:56 PM, Todd Martin <todd.martin...@gmail.com> wrote: > > Maybe adapt a median filter to Delphi. > http://rosettacode.org/wiki/Median_filter > > On Sun, May 9, 2021 at 1:24 PM Marshland Engineering > <marshl...@marshland.co.nz> wrote: > I'm reading a noisy signal and need to filter the data. I've tried many home > grown techniques but none are any good enough. > > Here is a sample of the data. I'm working on acceleration which is the rate of > change of speed. The change of speed between samples (30hz) is quite small so > the result is quite noisy as you can see. > > http://www.marshland.co.nz/ftp/Delphi/Plot.jpg > > Anyone found something that I can use ? > > Thanks Wallace > > _______________________________________________ > NZ Borland Developers Group - Delphi mailing list > Post: delphi@listserver.123.net.nz > Admin: http://delphi.org.nz/mailman/listinfo/delphi > Unsubscribe: send an email to delphi-requ...@listserver.123.net.nz with > Subject: unsubscribe > _______________________________________________ > NZ Borland Developers Group - Delphi mailing list > Post: delphi@listserver.123.net.nz > Admin: http://delphi.org.nz/mailman/listinfo/delphi > Unsubscribe: send an email to delphi-requ...@listserver.123.net.nz with > Subject: unsubscribe _______________________________________________ NZ Borland Developers Group - Delphi mailing list Post: delphi@listserver.123.net.nz Admin: http://delphi.org.nz/mailman/listinfo/delphi Unsubscribe: send an email to delphi-requ...@listserver.123.net.nz with Subject: unsubscribe
