"Timo A. Nieminen" <timo@physics.uq.edu.au> wrote in message
 news:Pine.WNT.4.64.0702222046130.1384@serene.st...
> On Thu, 21 Feb 2007, mainargv@yahoo.com wrote:
> 
>> can someone give examples (natural phenomena) of multiplication of
>> signals or multiplication of two time series. I can think of examples
>> for additions, like two weights adding, but I can't think of examples
>> for multiplcation. thanks.
> 
> Amplitude modulation. A carrier signal A(t) is modulated by a lower 
> frequency information signal B(t), the actual waveform is then A(t)*B(t).


AM is A(t) + B(t). You are an incompetent fuckhead.