Title :
Experimental variable beamwidth horn
Author :
Parker, Edward A. ; Philips, B. ; Langley, Richard J.
Author_Institution :
Electron. Eng. Labs., Kent Univ., Canterbury
fDate :
8/31/1995 12:00:00 AM
Abstract :
An H-plane sectoral horn contains ferrite powder dispersed in a solid low-loss dielectric medium. The permeability of the medium is varied by an externally applied magnetic field to alter the phase distribution across the horn aperture to produce a variable beamwidth horn
Keywords :
antenna radiation patterns; dielectric-loaded antennas; horn antennas; magnetic permeability; H-plane sectoral horn; externally applied magnetic field; ferrite powder; horn aperture; microwave antenna; permeability; phase distribution; solid low-loss dielectric medium; variable beamwidth horn;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19951068