Broadband low-RCS antenna based on polarization transformation surface
A polarization conversion and antenna technology, which is applied to antennas, antenna parts, antenna grounding devices, etc., can solve problems such as the inability to achieve antenna scattering effects, and achieve the effect of radar cross-section reduction
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[0020] The specific examples and effects of the present invention will be further described below in conjunction with the accompanying drawings.
[0021] Reference figure 1 This example includes a dielectric plate 1, a polarization conversion surface 2, a metal floor 3, a metal patch 4, and a coaxial metal column feeder 5. The polarization conversion surface 2 is printed on the dielectric plate 1 in a regular checkerboard pattern. On the periphery of the upper surface, the metal patch 4 is printed on the center of the upper surface of the dielectric board 1, the metal floor 3 is printed on the lower surface of the dielectric board 1, and the coaxial metal column feeder 5 is located 2.4mm from the center of the metal patch 4 . The dielectric plate 1 adopts a rectangular plate of 78mm×78mm×3mm, and its relative permittivity ε'=2.65; the side length c of the metal patch 4 is 8.95mm-9.05mm. This example takes but is not limited to c=9mm. There is a metal through hole in the center o...
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