Statistics – Applications
Scientific paper
May 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976itap...24..304m&link_type=abstract
IEEE Transactions on Antennas and Propagation, vol. AP-24, May 1976, p. 304-309.
Statistics
Applications
1
Antenna Design, Antenna Radiation Patterns, Corrugating, Horn Antennas, Sidelobe Reduction, Wave Diffraction, Apertures, Backlobes, Broadband, Electromagnetic Fields, Low Noise, Pyramidal Bodies
Scientific paper
Information on the aperture fields is used, in combination with the aperture integration method and diffraction theory, to predict the radiation patterns of corrugated horn antennas. Internal fields and aperture fields of an x-band corrugated horn were probed in order to confirm the assumptions underlying the aperture field calculations. The radiation pattern near the main beam (near-axial or main-beam pattern) is computed via conventional aperture integration techniques, the contribution of the H-plane edges is obtained via slope diffraction analysis, and the E-plane edge contributions are found by considering a horn with magnetically conducting E-plane walls (and electrically conducting H-plane walls) and a horn with E-plane corrugated walls. The corrugated horn antenna, with its low sidelobe and low backlobe levels, is recommended for medium- to broad-beam low-noise applications and as a feed for narrow-beam low-noise reflector antennas. The corrugated pyramidal horn antenna can handle arbitrary polarization (corrugations on all four horn walls).
Mentzer C. A.
Peters Jr. L.
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