[Pafgbt] BYU backend correlator output
Rick Fisher
rfisher at nrao.edu
Thu Apr 11 14:22:30 EDT 2013
Brian,
The data that Richard sent me from the stream-to-disk mode was also
"nonsensical", but it was extremely useful in understanding the data
packet format. I'm sure that the same will be true for the real-time
correlator mode, although, of course, we look forward to the "sensical"
data.
Thanks,
Rick
On Thu, 11 Apr 2013, Brian Jeffs wrote:
> Bill and all,
>
> Yes, we can provide examples of correlator output data from both the
> real-time correlator and our post-processor correlator which operates on
> streamed-to-disk frequency channelizied data. I will have Richard black
> send you some.
>
> The difficulty is that at this point we can send you only nonsensical
> data sets that will just illustrate the data structure and formatting.
> To date we have only produced files with just a few channels driven with
> a function generator. We are gearing up to do a more comprehensive
> end-to-end test with an array, all the (room temperature) LNAs,
> downconverter cards, and ROACH ADCs, with the array on the roof of our
> engineering building, but this will not be complete until the end of the
> month.
>
> Brian
>
>
> On Apr 10, 2013, at 2:53 PM, Bill Shillue wrote:
>
>> Changing the topic for the moment from the PAF hardware issues to BYU backend
>>
>> This is another topic that came up in our meeting on Tuesday:
>>
>> Can BYU provide a sample of their correlator output data for Rick Fisher?
>>
>>
>>
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