Broadband double circularly polarized end-fire array antenna based on gap waveguide
A technology of gap waveguide and dual circular polarization, applied to antenna unit combinations, waveguides, antennas and other directions with different polarization directions, can solve the problems of loss, difficult processing, complex structure, etc., to achieve low loss, simple and compact structure, easy to use. integrated effects
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[0022] The present invention will be further described in detail below in conjunction with the drawings.
[0023] See Figure 1-3 , The antenna of the present invention includes an upper metal cover layer 11, a gap waveguide layer 12, and a lower metal cover layer 13 that are sequentially stacked from top to bottom. The gap waveguide layer 12 is connected to the upper metal cover layer 11 and the lower metal cover layer 11, respectively. The metal cover layer 13 is combined to form an upper and lower gap waveguide structure, and the upper and lower gap waveguide structures are fed through the first input port 14 and the second input port 15 respectively. The first input port 14 is the input port of the upper gap waveguide, and the second input port 15 is the input port of the lower gap waveguide. The first input port 14 is arranged between the metal partition 21 and the upper metal cover layer 11, and the second input port 15 is arranged between the metal partition 21 and the lo...
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