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Development of correlator model for differential VLBI observations of satellites

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3 Author(s)
Feng-chun Shu ; Shanghai Astronomical Observatory, Chinese Academy of Sciences, 200030, China ; Xiu-zhong Zhang ; Tetsuro Kondo

The VLBI correlator is a key data processor of VLBI system. According to the correlator model parameters, complex cross correlations are performed and interferometric fringes are obtained. By analysis of radio signal flow through S/X dual bands and multi-channel receiving system, an advanced correlator model has been developed for differential VLBI observations of satellites. The accuracy of correlator model for satellites and radio sources has been verified respectively with other independent software. The whole VLBI correlation system incorporated with the correlator model has been working smoothly and successfully in the real time tracking of Chang'e 1 lunar satellite.

Published in:

Microwave and Millimeter Wave Technology, 2008. ICMMT 2008. International Conference on  (Volume:1 )

Date of Conference:

21-24 April 2008