A fundamental and its harmonics produce a waveform with same period and
frequency as the fundamental frequency. If you introduce a "subharmonic" (a
fractional frequency) then the "subharmonic" becomes the fundamental
frequency. That is because the frequency of the waveform produced has the
period and frequency of the "sub harmonic". There are no subharmonics of a
fundamental frequency.
There are no non-linear or linear models that can produce a fractional
frequency of the input frequency. Show me a mathematical function f(cos
(omega*t)) that will produce cos (omega*t/n) where omega is 2*pi*frequency
, t is time in seconds and n in an integer, 1,2,3,4,5,......
73
Bill wa4lav
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