Circularly polarized waveguide slot antenna
A slot antenna, circularly polarized wave technology, applied in waveguide-type devices, antenna grounding switch structure connection, resonator and other directions, can solve the problems of low antenna efficiency, low circular polarization purity, etc., to achieve simple structure, high purity, The effect of a large ratio
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[0061] as attached Figure 1-3 As shown, this implementation provides a circularly polarized waveguide slot antenna, including a rectangular waveguide 1, a coupling structure 2, a spherical resonator 3, a first coaxial feed connector 4, a second coaxial feed connector 5, and an antenna base 6 and the same-phase one-point-two coaxial cable connector; the spherical resonant cavity 3 is centered on the top of the rectangular waveguide 1, and the spherical resonant cavity 3 and the rectangular waveguide 1 are connected by a coupling structure 2; the coupling structure 2 is set between the rectangular waveguide 1 and the rectangular waveguide 1 Between the spherical resonators 3, the upper end of the coupling structure 2 is connected to the bottom end of the spherical resonator 3, and the lower end is connected to the top end of the rectangular waveguide 1; the first coaxial feed joint 4 is arranged at the bottom of the wide side of the rectangular waveguide 1, and the second The t...
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