Gigabit digital filter for radio astronomy observations

Details Gigabit digital filter for radio astronomy observations Gigabit digital filter for radio astronomy observations

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4015..641k&link_type=abstract

Proc. SPIE Vol. 4015, p. 641-648, Radio Telescopes, Harvey R. Butcher; Ed.

Astronomy and Astrophysics

Astronomy

Scientific paper

The gigabit digital filter prototype has been developed with the FPGA (FIeld Programmable Gate Array) for the radio astronomical observation. The digital filtering techniques enables a variety of observing modes defined on the data acquisition system, even with a fixed sampling frequency A/D converter. In this study, the principle of gigabit digital filter design is described in detail, parallel processing design of a FIR (Finite Inpulse Response) filter is presented, and the results of the test manufacturing are shown.

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