The RHESSI Spacecraft Instrument Data Processing Unit |
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| Authors: | Curtis D.W. Berg P. Gordon D. Harvey P.R. Smith D.M. Zehnder A. |
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| Affiliation: | (1) University of California Space Sciences Laboratory, Berkeley, CA, 94720-7450, U.S.A;(2) ELF Electronics, Brookline, MA 02446, USA;(3) Laboratory for Astrophysics, Paul Scherrer Institut, CH 5232 Villigen PSI |
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| Abstract: | The Ramaty High-Energy Spectroscopic Imager (RHESSI) spacecraft is a NASA Small Explorer (SMEX) class mission. RHESSI is designed to image solar X-rays and gamma rays with high-energy resolution. The Instrument Data Processing Unit (IDPU) serves as the central RHESSI instrument on-board data-processing element. It controls and monitors the instrument operations, and provides a flexible telemetry collection and formatting system. The system responds autonomously to optimize science data collection over a wide dynamic range of conditions, handling up to 40 Mbps of telemetry during solar flares. This paper presents an overview of the IDPU hardware and software design. |
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