Re: Complex to 2x real - how?

On Oct 9, 8:07 pm, John <sampson...@[EMAIL PROTECTED]
> wrote:

> > Hi,
> > I'm struggling with how to convert a complex data stream into a real
> > stream with the same bandwidth and twice the sample rate.

> 1. Interpolate by 2
> 2. Mix to new sample rate / 4
> 3. output = real part of (2)

Yes.

Hopefully when implementing it, the poster will notice and exploit
that certain parts of the component calculations can be optimized away

For example, the "local oscillator" at new FS/4 required in step 2 has
interesting properties...