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E-Vlbi Using a Software Correlator

  • N. Kruithof
Part of the Signals and Communication Technology book series (SCT)

Abstract

Very long baseline interferometry (VLBI) is a technique in astronomy where several distant radio telescopes observe the same source and the received signals are recorded and later correlated to produce an image with a larger resolution. An e-VLBI experiment is a VLBI experiment where the data are transferred directly over the Internet and correlated in real time.

The primary task of JIVE is the correlation of data from the EVN telescopes [2] all around Europe. A special purpose-built hardware correlator is used for data processing. We are currently investigating the capabilities of a next-generation software correlator using Grid processing power. In this chapter we describe the design of this software correlator.

Keywords

Output Node Time Slice Very Long Baseline Interferometry Control Message Data Node 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • N. Kruithof
    • 1
  1. 1.Joint Institute for VLBI in Europe (JIVE)7990 AA DwingelooThe Netherlands

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