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#11
December 23rd 05, 08:07 PM
posted to rec.aviation.owning,sci.electronics.design,alt.solar.photovoltaic
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Wind/Solar Electrics ???
wrote in message
... Joel Kolstad wrote: 1) It's the bandwidth of the signal that matters, not the highest frequency present... One might say "the highest frequency present" is the highest frequency non-zero component of the power spectrum. Sure, but the point is that you can sample a signal that's has all (of a good approximation thereof, e.g., 99%) of its energy between 144-148MHz (this is the 2m amateur radio band) at 10MSps and recover everything. I.e., the bandwidth of the signal is only 4MHz, so you only have to sample at something 8MSps. 
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