Computer Science – Performance
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufm.g11b0636s&link_type=abstract
American Geophysical Union, Fall Meeting 2010, abstract #G11B-0636
Computer Science
Performance
[1200] Geodesy And Gravity
Scientific paper
The development of the new VLBI2010 network with smaller and fast-slewing antennas observing at broader bandwidths is progressing rapidly with several new radio telescopes being installed right now or planned for the near future. We take realistic VLBI networks and carry out simulations with the Vienna VLBI Software (VieVS). Generating artificial wet delays, clock errors, and white noise representing the thermal noise of the instruments allows the assessment of the performance of the networks in terms of position accuracy, Earth orientation parameters, and scale. Furthermore, we take different session schedules to evaluate what is the best observing strategy for the next generation VLBI network. These schedules differ in terms of the number of observations and scans, the slew time intervals, the sky coverage at the individual stations as well as the coverage of the celestial sphere with sources. We also consider multiple antennas at sites as planned for several stations.
Boehm Janko
Nilsson Thomas
Pany Andrea
Schuh Haral
Sun Juanjuan
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