FIELD: physics; electricity.
SUBSTANCE: invention can be used as transceiving antenna in measuring systems of radar matrix of various objects dispersion in selected polarising basis. Horn radiator contains square or round waveguide and horn with gear structured edge. The horn is pyramidal of square cross-section, or conic of round cross-section. Between wave guide and horn throat there is matching pyramidal horn of square cross-section or conic one of round cross-section. The length of matching horn generator is equal to quarter of average length of propagating wave. Square side size of matching horn or throat cross-section diameter is equal to wave guide cross-section size. Teeth of gear structure are made in the form of rectangles, their height, width and distance between them being equal to odd number of quarters of wave length in free space.
EFFECT: reduced radiator value.
2 dwg
