FIELD: physics.
SUBSTANCE: proposed central element represents expanding electrically-conducting horn with its narrow section connected to coaxial feeder braiding while feeder central conductor extends along horn axis to its aperture. Feeder central conductor inside aforesaid horn may be made up of expanding electrically-conducting horn.
EFFECT: reduced effects of reflections and rereflections, adequate matching between feeder and antenna, and between antenna with free space.
2 cl, 7 dwg
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