Gigabit digital filter for radio astronomy observations

Kazuyuki Kawakami; Kensuke Ozeki; Noriyuki Kawaguchi; Satoru Iguchi; Tamio Hashimoto

doi:10.1117/12.390463

3 July 2000 Gigabit digital filter for radio astronomy observations

Kazuyuki Kawakami; Kensuke Ozeki; Noriyuki Kawaguchi; Satoru Iguchi; Tamio Hashimoto

Author Affiliations +

Proceedings Volume 4015, Radio Telescopes; (2000) https://doi.org/10.1117/12.390463
Event: Astronomical Telescopes and Instrumentation, 2000, Munich, Germany

Abstract

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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Kazuyuki Kawakami, Kazuyuki Kawakami, Kensuke Ozeki, Kensuke Ozeki, Noriyuki Kawaguchi, Noriyuki Kawaguchi, Satoru Iguchi, Satoru Iguchi, Tamio Hashimoto, Tamio Hashimoto, } "Gigabit digital filter for radio astronomy observations", Proc. SPIE 4015, Radio Telescopes, (3 July 2000); doi: 10.1117/12.390463; https://doi.org/10.1117/12.390463

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