NASA NTRS · 19730050893
Astigmatism in reflector antennas.
Abstract
Astigmatic phase error in large parabolic reflector antennas is discussed. A procedure for focusing an antenna and diagnosing the presence and degree of astigmatism is described. Theoretical analysis is conducted to determine the nature of this error in such antennas.
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Cogdell, J. R., Davis, J. H.. 1973-07-01. Astigmatism in reflector antennas.. https://ntrs.nasa.gov/citations/19730050893
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