Inventors:
Michael A. Starr - Charlottesville VA
Dale W. Jessen - Charlottesville VA
Peter J. Klotz - York PA
Thomas E. Wood - Charlottesville VA
Jerald E. Archambault - Richfield Springs NY
Assignee:
Sperry Marine Inc. - Charlottesville VA
International Classification:
G01S 502, G01S 1300
Abstract:
A beam sharpened, low sidelobe antenna is obtained by segmenting the antenna to provide two sub-antennas, one of which is arranged as an interferometer. The output signals of the two antennas are added and subtracted to provide sum and difference signals. The sum and difference signals and the output signals are then utilized to provide the desired beam sharpened, low sidelobe antenna.