Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..599..955s&link_type=abstract
X-RAY ASTRONOMY: Stellar Endpoints,AGN, and the Diffuse X-ray Background. Edited by Nicholas E. White, Giuseppe Malaguti, and G
Astronomy and Astrophysics
Astronomy
Observation And Data Reduction Techniques, Computer Modeling And Simulation, X- And Gamma-Ray Telescopes And Instrumentation
Scientific paper
The Imager on Board of INTEGRAL (IBIS) has to cope with very high data rates (>15.000 events/sec) from two detector layers (ISGRI and PICsIT). Because the available telemetry rate is only about 1/30 of the expected maximum data rate an on-board data reduction and pre-processing is necessary. This task is performed by a tailored fast Hardware Event Preprocessor (HEPI) and a slow programmable Data Processing Electronics (DPE). Several processing modes can be combined to adapt the instrument IBIS to the aims of the observers. The functions and methods of the digital on-board data processing (hardware and software) are described. .
Dreischer C.
Goehler E.
Kendziorra Eckhard
Krusentiern N. V.
Risse Patrick
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