Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979muni.iafcr....t&link_type=abstract
International Astronautical Federation, International Astronautical Congress, 30th, Munich, West Germany, Sept. 17-22, 1979, 20
Astronomy and Astrophysics
Astronomy
Astronomical Observatories, Extraterrestrial Intelligence, Fast Fourier Transformations, Nasa Programs, Project Seti, Signal Detection, Tape Recorders, Data Processing, Fourier Transformation, Light Transmission, Photographic Film, Power Spectra, Radio Telescopes, Spectrum Analysis, Statistical Analysis, Very Long Base Interferometry
Scientific paper
The paper reports the two observing programs conducted to compare two techniques which have been proposed as methods for performing the requisite Fourier transformations in very large multichannel spectrum analysers (MCSA): the direct digital FFT and optical transform processor. The details of the observations at NRAO utilizing a direct digital FFT are given. A description of the NAIC, Arecibo observations utilizing an optical processor at the Environmental Research Institute of Michigan (ERIM) and a microdensitometer at Electromagnetics System Laboratories (ESL) is presented. For both observing programs, statistical analysis of the power spectra produced by the nonreal-time MCSAs (or post-processing) was accomplished.
Black David
Clark Tom
Cuzzi Jeff
Drake Frank
Stull M.
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