WIDAR Real-Time Data Display D. Del Rizzo EVLA Correlator Software f2f April 3-6, 2006.

WIDAR Real-Time Data DisplayD. Del Rizzo

N ational R esearch C ounci lC anada

C onsei l national de recherchesC anada

EVLA Correlator Software f2f April 3-6, 2006

D Del RizzoApril 4, 2006

EVLA Correlator Software f2f – WIDAR Real-Time Data Display 2

Overview• What is the Real-Time Data Display (RTDD)?

A diagnostic tool, used primarily in prototype testing, to allow correlator developers the ability to efficiently probe various parts of the system and visualize output correlator data.

• Utilized extensively in prototype testing• Utility likely to extend well into correlator operation

3

RTDD Environment

• Java

– Platform independent

– Self-contained application

– Remote access to system from any desktop

– Multiple sessions run simultaneously

• Utilizes Java 2D Graph package (USQ Dept. of Mathematics)


EVLA Correlator Software f2f – Widar Real-Time Data Display

4D Del RizzoApril 4, 2006




RTDD Display Control



Input Chip Panel



Wideband Correlator Chip Panel



Output Chip Panel



Filter Chip PanelOutput State Counts



Filter Chip PanelRe-quantizer



Filter Chip PanelRFI Blanker



Filter Chip PanelClip Counter



Filter Chip PanelTone Extractor



Correlation CoefficientsWideband Lag/Frequency



Correlation CoefficientsSingle Lag/Frequency

16

Outstanding Issues

• Data format for transfer?– ASDM?– Internal format (XML?)

• Connectivity/integration with correlator software• Access & permissions via distributed network



17

Summary

• A powerful tool for real-time correlator diagnostics – both during prototype testing and operations

• Finalizing data transfer formats essential • Early in design phase

– Input & suggestions welcome!



WIDAR Real-Time Data Display D. Del Rizzo EVLA Correlator Software f2f April 3-6, 2006.

Documents

Transcript of WIDAR Real-Time Data Display D. Del Rizzo EVLA Correlator Software f2f April 3-6, 2006.