On-line computing for the Compact Array

Details On-line computing for the Compact Array On-line computing for the Compact Array

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992jeeea..12..199k&link_type=abstract

Journal of Electrical and Electronics Engineering, Australia (ISSN 0725-2986), vol. 12, no. 2, p. 199-204.

Computer Science

Operating Systems

Antenna Arrays, Computer Systems Design, Control Systems Design, Data Processing, Data Sampling, Assembly Language, Data Management, Operating Systems (Computers), Real Time Operation, Vax Computers

Scientific paper

The Australia Telescope Compact Array is made up of six 22-m antennas at Narrabri, NSW. The control system of the Compact Array has to deal with antennas and hardware distributed over 6 km. It needs to maintain synchronization of the sampling of astronomical data to a precision of better than 1 ns, coordinate the activities at the central site (data collecting, processing and archiving), and provide extensive monitoring of the data quality and the hardware status. These goals are achieved through a combination of distributed computing and special-purpose hardware.

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