Computer aided design of corrugated horns

The conical corrugated horn has become the prime choice for use as a feed for high performance reflector antennas in communications, radar and remote sensing systems. This is partly because the radiation characteristics are ideal with good copolar pattern symmetry and low levels of cross polarisation. It is also because corrugated horns can be designed, using a computer, with a high degree of reliability. The paper describes the computer aided design of corrugated horns and discusses the methods used to design horns in terms of their accuracy, reliability and ease of use. The methods of validation are considered and the present position of the CAD of corrugated horns examined