Corrugated Horns for Microwave Antennas
Introduction to hybrid-mode feeds. Propagation and radiation characteristics of cylindrical corrugated waveguides. Propagation and radiation characteristics of conical corrugated waveguides. Design of cylindrical and conical corrugated horns. Manufacture and testing of corrugated horns. Rectangular and elliptical corrugated horns.
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Introduction to hybridmode feeds
Propagation and radiation characteristics of cylindrical corrugated
Propagation and radiation characteristics of conical corrugated wave
Design of cylindrical and conical corrugated horns
Manufacture and testing of corrugated horns
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admittance amplitude anechoic chamber aperture fields approximation attenuation azimuthal balanced-hybrid condition bandwidth beamwidth Bessel functions boresight characteristic equation circular waveguide Clarricoats computed conical corrugated horn conical horn copolar and crosspolar copolar pattern copolar radiation patterns corrugated feed corrugated waveguide corrugation geometry crosspolar patterns crosspolar radiation pattern curves cut-off efficiency EHi2 mode electric field far-field flange flare angle horns frequency Gaussian beam guide wavelength H plane HEi2 mode HEn mode higher order modes hybrid mode large aperture Mathieu functions measured mode conversion narrow flare angle near-field obtained open-ended corrugated waveguide paraboloid parameters phase centre phase pattern polarisation prediction radiated field radiation characteristics radius range reflector antennas ridge width semi-flare angle horn shown in Fig sidelobe slot depth slot width smooth-wall waveguide space harmonics spherical reflector spillover surface impedance taper test antenna test horn theoretical transverse VSWR wall wavelength wavenumber wide flare angle zero
Page 216 - Coaxial feeds for high aperture efficiency and low spillover of paraboloidal reflector antennas," IEEE Trans., Antennas Propag.