[evlatests] EVLA tests September 1
Barry Clark
bclark at aoc.nrao.edu
Fri Sep 2 12:17:56 EDT 2005
>From ksowinsk:
> > I also did the soure/system measurement with
> > the rms detector on the link. A little harder to do because of
> > the short integration time, but the answers were about .033 for
> > IF A and 0.031 for IF B. The link power seems to be dominated
> > by noise that doesn't connect to the sky.
>
> Since that is a measure of voltage shoult it be squared
> to compare with a power deflection? However if it is
> dominated by non-sky noise that would help explain the
> depressed correlation coefficient.
>
> Ken
>
Oops, I forgot about that. Should be doubled, not squared, so about
.06, whereas the in-band portion seen by the T5 is about .11. So half
the power on the link doesn't connect to the sky.
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