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#10
July 15th 07, 08:54 AM
posted to rec.audio.tech,sci.astro,sci.physics,rec.radio.amateur.antenna,rec.radio.amateur.space
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George Dishman says Karl Uppiano is wrong about AM radio, carrier-frequencies,and aliasing. Who should I believe? Why?
This looks like a good time to point out that equivalent-time and random
sampling oscilloscopes display waveforms having bandwidths in the tens of GHz which were captured by sampling at rates from a hundred kHz to a few MHz, and have done so for decades. Roy Lewallen, W7EL Ron Capik wrote: Radium wrote: ......snip.. So is it possible for me to receive a 10 KHz audio sine-wave tone on a 1 Hz AM radio receiver? If not, why? My guess is it violates Nyquist/ Shannon. Right? Don't guess, read the papers and do the math! Later... RC -- |
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