Circularly polarized phased-array antenna unit
A phased array antenna and circular polarization technology, which is applied in the direction of antenna grounding switch structure connection, radiation element structure, etc., can solve the problems of penetration accuracy affecting antenna performance, etc., achieve good wide-angle scanning performance, reduce aperture, wide The effect of good corner matching performance
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[0025] The present invention will be further described below in conjunction with the drawings. Not as a restriction.
[0026] The present invention is mainly composed of a metal waveguide 3, a polyimide dielectric material 2, a matching structure 4, a connector 1, a circular polarizer 5. Reference figure 1 .
[0027] The metal waveguide 3 is made of metal materials, such as light metals such as copper and aluminum. Its shape is an inverted L shape, the top 31 of the L shape is a square shape, which is a radiating part; the side 32 is a rectangle, which is a feeding part.
[0028] The polyimide dielectric material 2 is filled with the metal waveguide 3, and the polyimide dielectric block 2 protrudes from the metal waveguide 3. The polyimide dielectric material 2 is used to reduce the antenna aperture, and its protruding part improves the antenna axial ratio. Such as Figure 5 Shown.
[0029] The connector 1 is a waveguide feed structure, which feeds the antenna. It is a rectangula...
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