FIELD: antenna.
SUBSTANCE: invention relates to antenna technology. Wide-band linked-ring antenna element covering two adjacent sub-bands is used in K-band. Antenna element comprises a linked-ring conductive resonator that is electromagnetically coupled to at least one feed line. Conductive resonator and feed line are further surrounded by a Faraday cage that is conductively coupled to an electromagnetically-shielding ground plane and operable to shield conductive resonator and feed line.
EFFECT: technical result is providing wide-angle scanning in a conical angle greater than 60° from axis of antenna, maintaining a good elliptic coefficient of circular polarisation in preset frequency ranges, low weight and small thickness of antenna elements.
25 cl, 5 dwg
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