Re: Complex to 2x real - how?

On Oct 9, 7:30 pm, cincy...@[EMAIL PROTECTED]
 wrote:

> ...
>
> John's method tells how to transform a complex signal to a real signal
> at twice the sample rate that represents the same spectral content
> (although duplicated in the negative frequencies due to the conjugate
> symmetry in frequency for a real signal). Whether this is something
> that anyone should ever want to do is another question. I'm not sure
> what value it would have, but that wasn't the original query.
>
> Jason

Such signals are commonly generated in any dynamic signal analyzer
that does non-baseband processing. The conversion back to real can be
used to listen to the translated bands. Applications include upper and
lower sideband demodulation.

Dale B. Dalrymple
http://dbdimages.com