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difx:difxfilterbank [2015/10/21 10:08] (current)
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|+||====== difxfilterbank ======|
|+||difxfilterbank is a simple program designed to catch UDP multicast messages from DiFX which contain autocorrelations. |
|+||The autocorrelations contained in the binary messages which difxfilterbank catches are produced by DiFX if it receives a certain control message telling it to start producing dump data. The autocorrelations come the short-term accumulations (STAs) held at the Core nodes in DiFX. This allows quite good time resolution to be obtained - tens of ms in DiFX1.5, and sub-ms in DiFX2.0 (see [[difx2.0transients|this link]] for an explanation of the difference).|
|+||The reason for squirting these STA values to an external program to DiFX is for the purposes of transient searching. |