70 likes | 281 Views
Simplified Data Pipeline. X xxx. FASR-A 6 Gb/s x 2 x 100 0.1 GB/s 400 GB/day 50 GB/day ~1 GB/day. FASR Data Analysis Plan 22-May-2005. Simplified Data Pipeline. Digital Data Processing Real-time conversion of broadband RF from 100 antennas to 10000 semi-calibrated visibilities
E N D
Simplified Data Pipeline X xxx FASR-A 6 Gb/s x 2 x 100 0.1 GB/s 400 GB/day 50 GB/day ~1 GB/day FASR Data Analysis Plan 22-May-2005
Simplified Data Pipeline • Digital Data Processing • Real-time conversion of broadband RF from 100 antennas to 10000 semi-calibrated visibilities • Implemented with DSPs • No scientific compromise in time- or frequency-resolution • Output data rate is 0.1 Gbytes/sec X xxx FASR-A 6 Gb/s x 2 x 100 0.1 GB/s 400 GB/day 50 GB/day ~1 GB/day
Interim Database • Semi-calibrated visibilities, housekeeping data, etc • Time and frequency resolution are scientifically uncompromised • 400 Gbytes / day • Transient – designed to be overwritten every 24 - 48 hrs. • TBD -- offline archiving ? Simplified Data Pipeline X xxx FASR-A 6 Gb/s x 2 x 100 0.1 GB/s 400 GB/day 50 GB/day ~1 GB/day
Simplified Data Pipeline X xxx FASR-A 6 Gb/s x 2 x 100 0.1 GB/s 400 GB/day 50 GB/day ~1 GB/day Interim Application Databases FREQUENCY TIME Magnetography bursts general purpose etc
Simplified Data Pipeline X xxx FASR-A 6 Gb/s x 2 x 100 0.1 GB/s 400 GB/day 50 GB/day ~1 GB/day • Application Databases • Set of parallel databases for magnetography, bursts, etc • Time and frequency resolution tailored to specific applications • Fully calibrated • Starting point for generation of high level data products • ~50 Gbytes / day
Simplified Data Pipeline X xxx FASR-A 6 Gb/s x 2 x 100 0.1 GB/s 400 GB/day 50 GB/day ~1 GB/day • High Level Data Products • Includes images, light curves, dynamic spectra, etc • Also includes parametric maps (eg coronal magnetograms, temperature maps, etc derived from imaging spectroscopy) • Common set of software tools for: • Quick look (latency of minutes) • Summary data products with automatically-determined parameters (at end of day) • Custom products In response to user-specified parameters • OR analysis at user’s site
Simplified Data Pipeline X xxx • User Interface • Details TBD • Will support: • Browsing of high level data products • Automated and interactive downloading of high level data products • Generation of user-specified high level data products • Downloading of user-selected subsets of application databases • No user software requirements (except when user chooses to create custom high level data products offsite) FASR-A 6 Gb/s x 2 x 100 0.1 GB/s 400 GB/day 50 GB/day ~1 GB/day