9 Jan
2007
9 Jan
'07
10:52 p.m.
Matt Ettus wrote:
Typically you only take a model like this down to about 1Hz. Below 1 Hz it can be considered flat or even zero. We don't much care about the phase noise below 1 Hz since the symbol rates are so much higher than this.
...which amounts to saying that it *is* as good as zero-mean, then, or at least that any DC drift is so slow as not to matter compared to the symbol rates.
Frank