ISBN: 978-981-11-0008-6 DOI: 10.18178/wcse.2016.06.097
Interferometry Techniques with Heterogeneous VLBI Data
Abstract— Very-long-baseline interferometry (VLBI) is a powerful technique in radio astronomical
observations. However, data recorded by different digital back ends in different observatories could be
heterogeneous and are not able to be processed directly. This paper discusses a VLBI data transformer for
heterogeneous data processing in the general situation. Furthermore, a direct-FX correlator architecture is
proposed to perform correlation between heterogeneous data directly. Both method has been verified by
computer simulations and quasar observations.
Index Terms— VLBI, data transformer, correlator.
Tianyi Zhang, Qiao Meng, Wei Liu, Quantao Yu
Southeast University, CHINA
Weimin Zheng, Li Tong
Shanghai Astronomical Observatory, Chinese Academy of Sciences, CHINA
Cite: Tianyi Zhang, Qiao Meng, Weimin Zheng, Wei Liu, Li Tong, Quantao Yu, "Interferometry Techniques with Heterogeneous VLBI Data," Proceedings of 2016 6th International Workshop on Computer Science and Engineering, pp. 571-574, Tokyo, 17-19 June, 2016.