The S2 VLBI Correlator: A Correlator for Space VLBI and Geodetic Signal Processing | Zendy

Brent Carlson | Zendy; P. E. Dewdney | Zendy; T. Burgess | Zendy; R. V. Casorso | Zendy; W. T. Petrachenko | Zendy; W. H. Can | Zendy

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The S2 VLBI Correlator: A Correlator for Space VLBI and Geodetic Signal Processing

Author(s) -

Brent Carlson,

P. E. Dewdney,

T. Burgess,

R. V. Casorso,

W. T. Petrachenko,

W. H. Can

Publication year - 1999

Publication title -

publications of the astronomical society of the pacific

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.294

H-Index - 172

eISSN - 1538-3873

pISSN - 0004-6280

DOI - 10.1086/316415

Subject(s) - very long baseline interferometry , geodetic datum , computer science , real time computing , geodesy , geology

We describe the design of a correlator system for ground and space-basedVLBI. The correlator contains unique signal processing functions: flexible LOfrequency switching for bandwidth synthesis; 1 ms dump intervals, multi-ratedigital signal-processing techniques to allow correlation of signals atdifferent sample rates; and a digital filter for very high resolutioncross-power spectra. It also includes autocorrelation, tone extraction, pulsargating, signal-statistics accumulation.Comment: 44 pages, 13 figure

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