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*To*: tesla@xxxxxxxxxx*Subject*: Re: Re: Racing Spark Prediction*From*: "Tesla list" <tesla@xxxxxxxxxx>*Date*: Wed, 24 May 2006 10:26:24 -0600*Delivered-to*: testla@xxxxxxxxxx*Delivered-to*: tesla@xxxxxxxxxx*Old-return-path*: <vardan01@xxxxxxxxxxxxxxxxxxxxxxx>*Resent-date*: Wed, 24 May 2006 10:12:27 -0600 (MDT)*Resent-from*: tesla@xxxxxxxxxx*Resent-message-id*: <3UW6VKzl3vM.A.6CF.rXIdEB@chip1>*Resent-sender*: tesla-request@xxxxxxxxxx

Original poster: "Gerry Reynolds" <gerryreynolds@xxxxxxxxxxxxx> I too believe they dont modulate, but when you say:

But a beat waveform can also be considered to be a sin waveamplitude modulated by an other sin wave ie sinA+sinB = SinA * sinB

So I was trying to explain that you can look at it in one of two ways. Two seperate frequency components that beat. This is the usual maths way.or consider it as one frequency that is modulated by the transfer ofenergy between the primary and secondary.But not both ways at the same time.

Gerry R.

Original poster: <a1accounting@xxxxxxxxxxxxx> Hi Gerry, > > From: "Tesla list" <tesla@xxxxxxxxxx> > Date: 2006/05/23 Tue AM 11:16:15 EDT > To: tesla@xxxxxxxxxx > Subject: Re: Re: Racing Spark Prediction > > Original poster: "Gerry Reynolds" <gerryreynolds@xxxxxxxxxxxxx> > > Very informative explanation of the two modes. Are the two > frequencies just present (sinA + sinB) Yes they are just present. They add and therefor beat.But a beat waveform can also be considered to be a sin waveamplitude modulated by an other sin wave ie sinA+sinB = SinA * sinB>or do they modulate > (sinA*sinB) and produce side bands.No they do not modulate which is the equivlaent of multiplication.The voltage you measure is the sum, the addition of sinA and sinB.So I was trying to explain that you can look at it in one of two ways. Two seperate frequency components that beat. This is the usual maths way.or consider it as one frequency that is modulated by the transfer ofenergy between the primary and secondary.But not both ways at the same time.

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