[sdiy] Generating acyclic waveforms?

David G. Dixon dixon at interchange.ubc.ca
Tue Mar 23 02:26:52 CET 2010


What's with all these acrylic waveforms?  Today's music sound too much like
plastic already!

Oh, aCYClic waveforms!

Nevermind.

-- Emily Latella


> At 04:07 PM 3/22/2010, Jerry Gray-Eskue wrote:
> >Theta - the "phase angle"
> >Schaum's Outlines Electric Circuits 4th edition pg 103 6.3
> >
> >a sinusoidal voltage v(t) is given by
> >
> >         v(t)= Vo cos(wt+ phase angle)
> 
> Oh dear, that's too very sloppy.  The phase angle of the wave is the total
> argument of the sinusoid:
> 
> phase angle = wt + const,
> 
> in this case.
> 
> What they call  " the phase angle" is really a phase shift angle.  You can
> call it "a" phase angle if you like, but it is not "the" phase angle of
> the
> wave.
> 
> >*2 to double the frequency. 2w I expect is a more standard
> representation.
> 
> Uh, yeah.  You can't just throw mathematical factors around willy-nilly
> like that!
> 
> 
>    Ian
> 
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