A wide-band prime-focus horn for low-noise receiver applications

Details A wide-band prime-focus horn for low-noise receiver applications A wide-band prime-focus horn for low-noise receiver applications

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990itap...38.1898t&link_type=abstract

IEEE Transactions on Antennas and Propagation (ISSN 0018-926X), vol. 38, Nov. 1990, p. 1898-1900.

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Applications

2

Antenna Radiation Patterns, Broadband, Cross Polarization, Horn Antennas, Ground Stations, Low Noise, Radio Telescopes, Standing Wave Ratios

Scientific paper

A horn suitable for a prime-focus antenna requiring low cross-polarization, wide bandwidth, and low spillover is described. The design is particularly suited for low-noise applications such as high-quality satellite earth-station antennas and radio telescopes. The horn has a return loss substantially better than 20 dB, a cross-polar sidelobe level better than -20 dB, a beamwidth variation of 40 percent and negligible phase center shift.

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