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Ensuring Performance Verification of Dishes in the Dish Verification Program (DVP)

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10 diapositives · 213 Views · Aug 22, 2014

The Dish Verification Program (DVP) focuses on validating the performance of dishes in the system hierarchy. Dishes are equipped with clearly defined interfaces for power, signal transport, monitoring, and control, ensuring they can manage all necessary feeds for dish-based science. Goals include risk reduction and meeting all science and operational requirements within the SKA system. The program emphasizes designing and testing antennas for optimal sensitivity and cost, while aiming to converge on production-ready designs documented for mass manufacturing.

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  1. DVA1 as Part of the Dish Verification Program (DVP)Washington, DCP. DewdneyJun 4, 2010

  2. System Hierarchy (Part 1) DVP

  3. Dish Verification Program (DVP) • Process to verify performance of dishes for the Dish Array in the System Hierarchy. • Element level. • Dishes equipped with well defined interfaces to other system elements: • Power • Signal transport • Monitor and Control • Other infrastructure • Verified to be capable of handling all feeds and receivers needed to carry out the dish-based science. • May not be so-equipped at initial roll-out.

  4. Dish Sub-System

  5. DVP Goals • Risk reduction • When built up into the SKA system, show that dishes will meet all the science requirements; • Also meet all other requirements needed to integrate into a system and operate in the field. • Design, produce and test one or more SKA antennas; • with the greatest system sensitivity (Ae/Tsys and/or Survey Speed) per unit system cost (total cost of ownership); • As well as possible, ensure that the contribution of antenna-related systematic errors is within acceptable limits; • Designs/testing programs converging to a detailed design that is manufacturable in production quantities. • Understand the costs. • Converge to a production-ready, documented antenna design (production data-pack).

  6. DVP Work Flow DVA-1 CPG

  7. The SPDO Role in DVA1 • Oversee the program as part of the DVP. • Carry out DVP design reviews. • Set specifications for the antenna that optimize overall SKA performance and cost. • Set acceptance/test criteria for the completed antenna. • Development of specifications and tests are done by the SPDO in collaboration with the groups actually carrying out the design/construction of the DVA antenna. • The DVA antenna will be accepted by the SPDO, representing the SKA. • Note that ownership is a different matter. • Continued evaluation and testing of this antenna will continue beyond the TDP programme.

  8. Time Scale See Next Slide

  9. Time Scale • Review dates are preliminary. • Need to rationalize the work flow and reviews (TBD).

  10. End