Circular polarization probe antenna structure
An antenna structure and circular polarization technology, which is applied in the direction of antenna grounding switch structure connection, antenna grounding device, radiation element structure, etc., can solve the problems of small probe antenna size and high gain, so as to improve antenna gain and reduce antenna size , Improve the effect of polarization purity
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[0029] Embodiment 1: A circularly polarized probe antenna structure, comprising:
[0030] The power feeding part 3 , the power feeding part 3 is disc-shaped, and a rectangular waveguide 33 ( 34 ) is arranged in the center of the disc-shaped power feeding part 3 .
[0031] The metal shell 2 is wrapped around the cylindrical portion 15 and the waveguide stepped portion, and its internal space shape is completely matched with the 15 waveguide stepped portions of the cylindrical portion, and its shape is cylindrical.
[0032] The dielectric filling part 1 includes a conical frustum 11, a cylindrical part 15 and a waveguide step part connected in sequence; the waveguide step part includes at least two waveguide steps, and the top of the waveguide step part is provided with a rotating waveguide joint 14, and the rotating waveguide joint 14 and The shape of the rectangular waveguide 33 (34) is matched and inserted into the rectangular waveguide 33; the waveguide steps are more than t...
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