There is just one surprising element of the parallel FM equation. Given that we are able to fiddle with the Preliminary phases on the modulating signal's factors,
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arrived up with a rather more complicated Model: But the height amplitude of the components is hard to predict; we might alternatively Possess a sum of cosines: so we are able to use
we could repair up Every single modulating sinusoid (equally in amplitude and First stage), but here We've no this kind of
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There exists a guideline, Mr Carson's rule, about the overall bandwidth with the resultant spectrum (it follows from our description of the Bessel capabilities): Around Talking, you will discover fm-index+one important sidebands on either side with the carrier, so our total bandwidth is more or less
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