[daip] DTSIM - AIPS

[Leonia Kogan]

Alessandra,

Having looked into the DTSIM's codes I found subroutine ADNOIZ which 
produce noisy  data....
I'll look more tomorrow

Leonia


Alessandra Bertarini wrote:
> Hello Leonia,
>
>  I am trying to estimate the error on the D-term calculation on my VLBI
>  dataset and I was thinking to use DTSIM to simulate a UVData set since, to
>  my understanding, DTSIM is the only AIPS simulation task allowing for
>  D-terms.
>
>  Is there any way to add gaussian noise to the simulated set?
>
>  Btw, there might be a "feature" in DTSIM: I have generated a 1.6 Jy
>  unpolarized point source with D-terms causing flux in RL and LR using
>  three IFs. In IF1 everything looks reasonable (RL and LR are as expected,
>  apart from the absence of noise), but in IF2 and IF3 they are set to
>  zeros for the whole array. Is that "feature" expected or is it a bug?
>  Feel free to pass this e-mail to the "designated aip" :).
>
>  Thanks in advance.
>
>  Regards,
>  Alessandra
>