HIPSR: A Digital Signal Processor for the Parkes 21-cm Multibeam Receiver-Reference-Cited by-同舟云学术

HIPSR: A Digital Signal Processor for the Parkes 21-cm Multibeam Receiver

Published:2016-12 Issue:04 Volume:05 Page:1641007
ISSN:2251-1717
Container-title:Journal of Astronomical Instrumentation
language:en
Short-container-title:J. Astron. Instrum.

Author:

Price D. C.¹²,Staveley-Smith L.²³,Bailes M.³⁴,Carretti E.⁵,Jameson A.³⁴,Jones M. E.¹,van Straten W.⁴⁶,Schediwy S. W.¹²

Affiliation:

1. Oxford Astrophysics, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom

2. International Centre for Radio Astronomy Research, University of Western Australia, Crawley, WA 6009, Australia

3. ARC Centre of Excellence for All-sky Astrophysics (CAASTRO), Australia

4. Swinburne University of Technology, Centre for Astrophysics and Supercomputing Mail H39, PO Box 218, VIC 3122, Australia

5. CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW, 1710, Australia

6. Institute for Radio Astronomy & Space Research, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand

Abstract

HIPSR (HI-Pulsar) is a digital signal processing system for the Parkes 21-cm Multibeam Receiver that provides larger instantaneous bandwidth, increased dynamic range, and more signal processing power than the previous systems in use at Parkes. The additional computational capacity enables finer spectral resolution in wideband HI observations and real-time detection of Fast Radio Bursts during pulsar surveys. HIPSR uses a heterogeneous architecture, consisting of FPGA-based signal processing boards connected via high-speed Ethernet to high performance compute nodes. Low-level signal processing is conducted on the FPGA-based boards, and more complex signal processing routines are conducted on the GPU-based compute nodes. The development of HIPSR was driven by two main science goals: to provide large bandwidth, high-resolution spectra suitable for 21-cm stacking and intensity mapping experiments; and to upgrade the Berkeley–Parkes–Swinburne Recorder (BPSR), the signal processing system used for the High Time Resolution Universe (HTRU) Survey and the Survey for Pulsars and Extragalactic Radio Bursts (SUPERB).

Publisher

World Scientific Pub Co Pte Lt

Subject

Astronomy and Astrophysics,Instrumentation

Link

https://www.worldscientific.com/doi/pdf/10.1142/S2251171716410075

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