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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">I’d get a better sensor …<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:#60A800">David Moorhouse (BCom) | Development Manager</span></b><b><span style="color:#60A800"><o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="color:#60A800">Regional HealthOne Programme<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="color:#60A800">P: 03 353 0871<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#60A800">E: <a href="mailto:david.moorhouse@pegasus.org.nz">
<span style="color:#60A800;text-decoration:none">david.moorhouse@pegasus.org.nz</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#60A800">401 Madras St, Christchurch 8013<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#60A800">PO Box 741, Christchurch 8140<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> delphi-bounces@listserver.123.net.nz <delphi-bounces@listserver.123.net.nz>
<b>On Behalf Of </b>Todd Martin<br>
<b>Sent:</b> Sunday, 9 May 2021 1:56 PM<br>
<b>To:</b> Marshland Engineering <marshland@marshland.co.nz>; NZ Borland Developers Group - Delphi List <delphi@listserver.123.net.nz><br>
<b>Subject:</b> Re: [DUG] Chart Smoothing<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Maybe adapt a median filter to Delphi. <a href="http://rosettacode.org/wiki/Median_filter">
http://rosettacode.org/wiki/Median_filter</a><o:p></o:p></p>
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<p class="MsoNormal">On Sun, May 9, 2021 at 1:24 PM Marshland Engineering <<a href="mailto:marshland@marshland.co.nz">marshland@marshland.co.nz</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">I'm reading a noisy signal and need to filter the data. I've tried many home<br>
grown techniques but none are any good enough. <br>
<br>
Here is a sample of the data. I'm working on acceleration which is the rate of<br>
change of speed. The change of speed between samples (30hz) is quite small so<br>
the result is quite noisy as you can see.<br>
<br>
<a href="http://www.marshland.co.nz/ftp/Delphi/Plot.jpg" target="_blank">http://www.marshland.co.nz/ftp/Delphi/Plot.jpg</a><br>
<br>
Anyone found something that I can use ? <br>
<br>
Thanks Wallace <br>
<br>
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