Corrugated antenna feed horn with means for radiation pattern control

摘要

A horn feed for use with a reflector for generating a narrow beam of radiated energy in a radar system. The horn includes surface corrugations and provides a unique configuration of horn flare angle, length of the corrugation pattern along the horn inside surface in the direction of radiation and the cross-sectional dimension of the horn at the beginning of the corrugation pattern, for the minimization of sidelobe generation and optimum illumination of the reflector.