Capacitor-loaded stepped impedance type tri-polarization half-slot antenna
A technology of step impedance and capacitive loading, applied in antennas, slot antennas, antenna coupling, etc., can solve the problems of difficulty in impedance matching of slot antenna feed transmission lines, reduction of spectral efficiency and channel capacity, and deterioration of antenna port isolation. Achieve the effect of miniaturization, improved isolation, and reduced electrical size
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[0015] The present invention will be further described below in conjunction with drawings and embodiments.
[0016] The embodiment that the present invention adopts is: the three-polarized half-slot antenna of capacitive loading step impedance comprises the capacitive loading step impedance antenna 13 of three mutual vertical placements; The capacitive loading step of each single polarization The impedance antenna 13 includes a dielectric substrate 1, a metal ground 2, a radiation slot 3, and a microstrip feeder 4 arranged on the dielectric substrate 1; one side of the dielectric substrate 1 is a metal ground 2, and the other side of the dielectric substrate 1 is a microstrip feeder 4 conduction band 5; there is a radiation slot 3 on the metal ground 2, the shape of the radiation slot 3 is a rectangle, and the radiation slot 3 is located at the center of the metal ground 2; one end of the radiation slot 3 is short-circuited, and the other end 6 is open; in the radiation The sl...
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