Subject	Re: Attn: data junkies- Dyno graph derivatives! :)
Posted by	kuah@splparts.com on August 30, 2006 at 10:24 PM
	This message has been viewed 46 times.
In Reply To	Attn: data junkies- Dyno graph derivatives! :) posted by CaliguyPurdue on August 30, 2006 at 06:44 PM
Message	I think the artifacts could be due to the way you handled the data. I assume the dyno data is put in every x rpm. In effect this discrete data is a step function every x rpm. When the derivative is taken that becomes a delta function. Which would explain the regularity of those spikes.
Follow Ups	Attn: data junkies- Dyno graph derivatives! :) - CaliguyPurdue 18:44:20 08/30/06 Sweet =). (n/m) - Kenny 19:42:37 08/30/06 Nice work! That would definitely make comparisons much - Dustin 20:32:25 08/30/06 Exactly! - CaliguyPurdue 21:09:57 08/30/06 I see where you are going in spirit .. I don't think that is - The Devils Z 22:20:27 08/30/06 According to the filepathways on Ash's post, - CaliguyPurdue 03:54:52 08/31/06 Re: Attn: data junkies- Dyno graph derivatives! :) - kuah@splparts.com 22:24:45 08/30/06 Yes - it explaines the regularity of the spikes but not the - The Devils Z 22:37:14 08/30/06 Re: Yes - it explaines the regularity of the spikes but not the - kuah@splparts.com 00:50:27 08/31/06 Its not that the curves follow the same general pathway, - CaliguyPurdue 03:48:30 08/31/06 Re: Its not that the curves follow the same general pathway, - kuah@splparts.com 09:10:15 08/31/06 2nd that. Done that in lots of control system analysis! (n/m) - MixManMash 11:26:29 08/31/06 Interesting point . So you theroize that taking the - The Devils Z 11:30:36 08/31/06 Re: Interesting point . So you theroize that taking the - kuah@splparts.com 13:37:03 08/31/06 yes we are saying the same thing .. I just explained it - The Devils Z 14:29:34 08/31/06 But a spike has an up and a down... - CaliguyPurdue 15:08:41 08/31/06 beautiful... really interesting (n/m) - mousersix 23:00:59 08/30/06 I remember that thread, vividly. (n/m) - Zluster(Abudan) 23:10:35 08/30/06 Me too. - red TT (STL) 03:00:13 08/31/06 relating to how you handle the data - The-FActor 23:57:42 08/30/06 I prepared this post back in May and forgot about it... - CaliguyPurdue 04:00:43 08/31/06 I agree that we need to look at dyno curve stressing - The Devils Z 08:42:02 08/31/06 Re: Attn: data junkies- Dyno graph derivatives! :) - Russell@Z1 18:54:49 08/31/06
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