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Engineering Working Group (EWG)

Signal processing Task Force

Terms of reference:

• Advise the ISPO and ISSC, via the EWG Chair, on signal processing and related engineering aspects of the SKA project, including:
- Signal processing topologies (e.g. signal flow and aggregration)
- Role of analog and digital systems
- Precision and accuracy requirements in signal processing
- Processing for imaging and non-imaging observing modes
- Implementation of DSP systems, including the role of High Performance Computing

• Function as an impartial commentary and review body for demonstrator and pathfinder projects in the areas listed above.

• Act as a forum for the exchange of ideas between SKA engineering groups, and between the SKA project and external collaborators (including collaborators from industry and other scientific projects).

• Produce a whitepaper for the signal processing sub-system for consideration by the SKA community and by external engineering assessors charged with evaluating the SKA project. The draft whitepaper will be available by December 31 2005, with the final version completed by March 31 2006. The whitepaper will be prepared according to agreed EWG guidelines and will address issues such as:
- Common cost and performance descriptors across SKA concepts
- Dependence of the signal processing design on key SKA specifications
- Critical enabling technologies, and their likely development path
- Risk assessment for various technologies
- Large-scale production issues
- Reliability and maintainability issues
- Contribution of current and new-generation demonstrators
- Key technologies or techniques to be demonstrated in a large-scale SKA international pathfinder
- Possible links with industry in pre-competitive and procurement phases of the SKA project.

Members :
- Albert-Jan Boonstra (chair), ASTRON, The Netherlands
- John Bunton, CSIRO, Australia
- Roger Cappallo, Haystack Observatory, USA
- Larry D'Addario, JPL, USA
- Dick Ferris, CSIRO, Australia
- Mike Jones, University of Oxford, United Kingdom
- Andre Gunst, ASTRON, The Netherlands
- Alan Langman, SKA Project Office, South Africa
- Mohamed Missous, University of Manchester, UK
- Sergei Pogrebenko, JIVE, The Netherlands
- Jonathan Weintroub, Harvard-Smithsonian Center for Astrophysics, USA
- Dan Werthimer, Berkeley Space Sciences Laboratory, USA


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