Pulsar Coherent De-dispersion Experiment at Urumqi Observatory

Details Pulsar Coherent De-dispersion Experiment at Urumqi Observatory Pulsar Coherent De-dispersion Experiment at Urumqi Observatory

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006chjas...6b..53l&link_type=abstract

Chinese Journal of Astronomy and Astrophysics, Supplement, Volume 6, Issue S2, Proceedings of the 2005 Lake Hanas International

Astronomy and Astrophysics

Astrophysics

Techniques: Parallel Computing, Instrumentation: Mark5A &Amp, Cluster, Methods: Coherent De-Dispersion

Scientific paper

A Pulsar coherent de-dispersion experiment has been carried out using the 25-m Nanshan radio telescope at Urumqi Observatory. It uses a dual polarization receiver operating at 18 cm and a VLBI back-end: Mark5A, the minimum sampling time is 5 ns. The data processing system is based on a C program on Linux and a 4-node Beowulf cluster. A high quality data acquisition system and a cluster with more processors are needed to build an on-line pulsar coherent de-dispersion system in future. The main directions for the instrument are studies of pulsar timing, scintillation monitoring, etc.

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