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Corey,
I think it's coming along fine...
The phase does go negative because of the statement
"if Phase > 345 then = Phase = Phase -360". Actually Ehlers uses
315, which would drive the phase more negative, but should have no effect on
Sine and leadSine.
More important, the Sine / LeadSine IS
crossing so far ahead of the input wave, that they seem to
lag.
That's why I was doing the burst mode of testing,
with just a few cycles in each burst of waves. In fact just looking at your last
cycle, I would say the sine/leadsine cross is about 8 bars before the input wave
peak!!!.
If you change the Period to 20, you will notice the
8 bar advance will fade to about zero.
I used your code from before and my phase
transition happens 3 bars before yours.... don't know if that's good or bad ....
yet.... but progress is happening
<BLOCKQUOTE dir=ltr
>
----- Original Message -----
<DIV
>From:
Corey
Saxe
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Monday, April 05, 2004 1:33
AM
Subject: Re: [amibroker] AFL - John
Ehlers Trade Station Code - Attn Corey
Okie Dokie, Ara...
I'm getting closer.
I changed the plotting colors to what you had in your
graph.
The phase (yellow) comes out about perfect. Resets every 25
bars in a 25 bar cycle and shows a good sawtooth, but it falls into negative
numbers at troughs. Wheels seem to fall off in trying to
get sine (blue) and leadsine (green) to cross just prior to a peak and
trough.
<IMG alt="" hspace=0 src="png00010.png"
align=baseline border=0>
Will continue on this azmuth through the
swamp...
-CS
<BLOCKQUOTE dir=ltr
>
----- Original Message -----
<DIV
>From:
Ara Kaloustian
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Sunday, April 04, 2004 5:38
PM
Subject: Re: [amibroker] AFL - John
Ehlers Trade Station Code - Attn Corey
Corey,
Here is picture of the code directly as is in
the book. Notice how far advanced the Sine/LeadSine are ... that part of the
filtering he is doing .... because he's considering anything over 20 periods
pretty irrelevant for cycle work .. I like the tight filtering ... and
want to keep its benefits but
I dont agree with him, ... and it is
correctible once we get over this phase generation hurdle.
The display is for Period = 25.
Red = Sinewave input (from SW
Generator)
Yellow = Phase
Blue = SineWave
Green = LeadSine.
The chart display is irrelevant. It's there
just to display the bars.
The phase, as you see, is a nice sawtooth here
as it should be. If you don't get that, then the Sine & Leadsine will
certainly not work at all... so phase generation is primary
issue.
I do not have any TS software... Am using
friend,s copy of on line version just for test and development. Not
sure if anyone I know has 2000i, but I'll look around.
I will get back to AB code later today ... or
tomorrow...
<FONT face=Arial
size=2>Ara
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