The new progress of Chinese VLBI network correlator

Details The new progress of Chinese VLBI network correlator The new progress of Chinese VLBI network correlator

Jun 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001pabei..19..312z&link_type=abstract

Progress in Astronomy, Vol. 19, No. 2, p. 312 - 316 (2001). In: Proceedings for the First National Academic Conference of the Ch

Astronomy and Astrophysics

Astronomy

Vlbi, Correlator

Scientific paper

This paper presents the principle and the structure of the 2-station "FX" VLBI correlator of the Chinese VLBI network. The correlator takes only 16 μs to do 2048-point FFTs of two channels and other mathematic operations, which equates more than 13.8G float multiplications and 30.9G additions every second. It supports six different FFT sizes (64 to 2048 points) with the maximum data rate up to 648MBit/s. Some results of the correlator are presented in this paper.

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