Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979muni.iafcr....h&link_type=abstract
International Astronautical Federation, International Astronautical Congress, 30th, Munich, West Germany, Sept. 17-22, 1979, 12
Astronomy and Astrophysics
Astronomy
Extraterrestrial Intelligence, Project Seti, Signal Detectors, Central Processing Units, Computer Storage Devices, Data Processing Equipment, Digital Data, Polarization (Waves), Signal To Noise Ratios, Spectrum Analysis
Scientific paper
The design of an on-line postprocessor for a search for extraterrestrial intelligence (SETI) system is described. Signal processing tasks of the postprocessor include: (1) analysis of power level, phase coherence, and state of polarization of single-channel signals in a search for significant signals; (2) grouping or aggregation of adjacent channel data, time averaging of data; and (3) the detection of drifting and modulated signals. Control functions include multichannel spectrum analyzer frequency and clock control, system calibration and self-diagnostic, control of data flow to and from short-term and long-term (archival) memories, and operation of detection subsystems, such as a visual display and a tunable receiver.
Healy T. J.
Seeger Ch. L.
Stull Mark A.
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