| Re: Do magnetars emit audible LW AM radio waves that can be heard on receivers? |
|
 |
|
 |
|
 |
|
 |
Group: sci.astro.amateur · Group Profile
Author: George DishmanGeorge Dishman Date: Jul 14, 2007 01:17
> Isn't it true that the carrier-frequency must be at least 2x the
> highest intended frequency of the modulator signal?
No.
> I am not talking about sample rates. I am talking about carrier
> frequency. From the answers to my previous questions regarding carrier
> frequencies, I thought it was established that you mathematically
> can't have a modulator frequency more than 0.5x the carrier-frequency.
No. You can't have a sampling rate less than twice the highest
frequency in the source without aliasing, but that refers only
to sampling.
> What happened?
At a guess, you misunderstood the context of the answers to
your previous questions, or those who answered misunderstood
the context of your questions.
HTH
George
| 
