Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004pabei..22...95x&link_type=abstract
Progress in Astronomy (ISSN 1000-8349), Vol. 22, No. 2, p. 95 - 103 (2004)
Astronomy and Astrophysics
Astronomy
Astronomical Facilities And Techniques, Digital Filtering, Review, Radio Astronomy, A/D Sampling, Fpgas (Field Programmable Gate Array Circuits)
Scientific paper
With the rapid technological advances in digital devices, circuits and systems, it is available for real-time processing to use high speed digital filtering with FPGAs (Field Programmable Gate Array Circuits). In this paper, we briefly review the theory of digital filtering and analyse the two kinds of implementation in designing of digital filters. Compared with analog filters, digital filters offer outstanding advantages which are described in the paper. The applications in radio astronomy are introduced as well.
Xiang Ying
Zhang Xiu-Zhong
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