New dual-reflector feed system for the Nancay radio telescope

Details New dual-reflector feed system for the Nancay radio telescope New dual-reflector feed system for the Nancay radio telescope

Sep 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997itap...45.1366g&link_type=abstract

IEEE Transactions on Antennas and Propagation, vol. 45, p. 1366

Computer Science

Performance

1

Feed Systems, Radio Telescopes, Antenna Feeds, Antennas, Reflectors, Horn Antennas, Antenna Radiation Patterns, Directional Antennas, Mathematical Models

Scientific paper

A new compact dual-reflector Gregorian feed system has been designed to improve the overall performance of the Nancay radio telescope. To operate continuously within the 1.0-3.5-GHz band, two wideband compact corrugated horns are used. The new feed system improves the sensitivity of the telescope by a factor between 2 and 3. To verify the theoretical design, a 1/20th-scale model was constructed and tested. The measured results were in excellent agreement with the predicted values.

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