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How to find out the fundamental period for 2 discrete waveforms?

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SherlockBenedict

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I have a waveform which is the sum of two discrete frequencies-

y = sin ( 2Πf1n) + sin( 2Πf2n)

where f1 and f2 are discrete frequencies.

How to find out the fundamental period for this? I have forgotten the procedure for this

Thanks in advance.
 

The greatest-common-divisor of f1 and f2 is the fundamental frequency; the least-common-multiple is the fundamental period.

I think the first example is what you're looking for: **broken link removed**
 

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