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J. Gruber, J. Böhm, A. Nothnagel, M. Schartner:
"A simulator to generate VLBI baseband data in Matlab";
Talk: 24th Meeting of the European VLBI Group for Geodesy and Astrometry, Gran Canaria, Spain; 2019-03-17 - 2019-03-19.

VLBI radio telescopes represent a sophisticated interconnection of electronic devices.The final product of each observation by a radio telescope is the baseband dataset. In this presentation, we show a software tool as part of VieVS which generates simulated VLBI baseband data. The simulator is implemented in Matlab and contains a telescope model which is based on the parametrization of real antenna key characteristics. Moreover, source characteristics such as the signal structure of satellites and spatial velocities of source and receiver are taken into account in the model creation. Advanced digital signal processing (DSP) algorithms of Matlab are applied to model the antenna system. We will present the various model components of the simulator and discuss the potential of applications of such a tool. Furthermore, we will show first results of simulation experiments, such as the simulation of VLBI observations to artificial satellites and mixed mode observations.

http://www.oan.es/evga2019/EVGA2019_PDF/O110_EVGA2019_Gruber.pdf