Computer Science – Performance
Scientific paper
May 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aas...180.1404f&link_type=abstract
American Astronomical Society, 180th AAS Meeting, #14.04; Bulletin of the American Astronomical Society, Vol. 24, p.751
Computer Science
Performance
Scientific paper
A general approach for compression of diverse data from large scientific projects has been developed and this paper addresses the appropriate system and scientific constraints together with the algorithm development and test strategy. This framework has been implemented for the COsmic Background Explorer spacecraft (COBE) by retrofitting the existing VAX-based data management system with high-performance compression software permitting random access to the data. Algorithms which incorporate scientific knowledge and consume relatively few system resources are preferred over ad hoc methods.COBE exceeded its planned storage by a large and growing factor and the retrieval of data significantly affects the processing, delaying the availability of data for scientific usage and software test. Embedded compression software is planned to make the project tractable by reducing the data storage volume to an acceptable level during normal processing. The COBE data analysis is managed by the Goddard Space Flight Center for NASA's Office of Space Science and Applications.
Boggess E.
Freedman Ian
Seiler Erhard
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