| 摘要 |
FIELD: antenna engineering. ^ SUBSTANCE: antenna horn has latticed side walls, excitation unit in the form of H-waveguide, and two exponential H-shaped projections whose width S increases toward horn aperture to size S = 10t, where t is H-waveguide projection width; latticed side walls are made in the form of bars in diameter D = (0.01 - 0.11) lambdamax, where lambdamax is maximal wavelength of operating band; bar-to-bar distance d varies from first bar disposed in horn aperture obeying geometrical progression law using denominator tau = 0.7 - 0.73 and bar length l varies obeying same law using denominator g = 0.895 - 0.905, that is, dn + 1 = dntau and ln + 1 = lng, where n is bar ordinal number. Top and bottom surfaces of horn are bent at attachment points of bars. ^ EFFECT: ability of regulating directivity pattern width in operating frequency band. ^ 1 cl, 2 dwg |
