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System Health in Locally Autonomic Radio-Telescopes

Authors: Martijn van Veelen;

System Health in Locally Autonomic Radio-Telescopes

Abstract

The extreme sensitivity and flexibility of the LOFAR radio telescope is achieved through a large reception area (10,000-1,000,000 m2), wideband (0.2-4 GHz) signal processing and digital beam forming. The trend towards more local autonomy and resource sharing in the infrastructure and on-line real-time distributed calibration provides conditions for emergent behavior. However, scientific instruments need to be dependable and highly accurate. Hence potential undesirable emergent behavior must be controlled. The paper discusses computational intelligence to achieve early detection of emergent behavior. Locally autonomous computing will then validate the instrument stability based on a solid design theory from a consistent combination of non-deterministic models of computation, exact dynamic instrument models, and data-driven system health.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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