EST observations (kinda long)
Shannen Durphey
shannen at grolen.com
Tue Feb 23 14:43:56 GMT 1999
For some reason, I missed the earlier post. What is this about?
Shannen
Tedscj at aol.com wrote:
>
> In a message dated 2/23/99 1:34:06 AM Eastern Standard Time, Tedscj at aol.com
> writes:
>
> >
> > What I saw: I am going to try to represent what I saw with text. I hope
> > this
> > works.
> >
> > Pretend that the "I"s are shaped like 'cone shaped hats', they are spikes
> > that
> > go up or down.
> >
> > RPM Reference Pulse from module to ECM:
> >
> > at @1200 RPM
> >
> > ________I_________I_________I_________I
> > I I I I
> >
> > at @ 3000 RPM
> >
> > ___I___I___I___I___I
> > I I I I I
> >
>
> > And the EST signal from ECM to module:
> >
> > at @1200 RPM
> >
> > ________I________I________I________I
> > I I I I
> >
> > at @3000
> >
> > ___I___I___I___I___I
> > I I I I I I
> >
> >
> > Next come the assumptions:
> > First, I am assuming the upward spikes represent the 'rising edges' and the
> > downward spikes represent the 'falling edges' that you would see on a
> scope.
> >
> > Ex.
> >
> > ____I____I____I____I on my tape recorder
> > I I I I
> > would be:
> > -]__[-]__[-]__[-]__[ on a scope
> >
> > Does this make sense?
> >
>
> Well, my ASCII drawings didn't come out right.
> If your interested, here's a JPG of a drawing I made of what I saw:
>
> http://members.aol.com/tedscj/EST.JPG
>
> Ted
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