The Payload Data Handling and Telemetry Systems of Gaia

Details The Payload Data Handling and Telemetry Systems of Gaia The Payload Data Handling and Telemetry Systems of Gaia

2005-04-12

arxiv.org/abs/astro-ph/0504285v1

Astronomy and Astrophysics

Astrophysics

4 pages, 7 figures, to appear in the Proceedings of the Symposium "The Three-dimensional Universe with Gaia", 4-7 October 2004

Scientific paper

The Payload Data Handling System (PDHS) of Gaia is a technological challenge, since it will have to process a huge amount of data with limited resources. Its main tasks include the optimal codification of science data, its packetisation and its compression, before being stored on-board ready to be transmitted. Here we describe a set of proposals for its design, as well as some simulators developed to optimise and test these proposals.

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