Planar horn antenna with impedance calibration function
A horn antenna, impedance calibration technology, applied in the direction of waveguide horn, circuit, etc., can solve the problems that affect the return loss and radiation performance of the antenna, can not improve the inconsistency between the horn antenna and free space wave impedance, and the horn antenna gain is low
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[0016] The present invention will be further described below with reference to the drawings and embodiments.
[0017] The implementation adopted by the present invention is: the impedance-calibrated planar horn antenna includes a microstrip feeder 1, a substrate integrated waveguide horn antenna 2 and an embedded metalized via 3, all of which are integrated on the same dielectric substrate 4. One end of the microstrip feeder 1 is the input / output port 5 of the antenna, the other end of the microstrip feeder 1 is connected to the narrow port 6 of the substrate integrated waveguide horn antenna 2, and the conduction band 7 of the microstrip feeder 1 is connected to the substrate integrated waveguide horn The first metal plane 8 of the antenna is connected, the ground plane 9 of the microstrip feeder 1 is connected with the second metal plane 10 of the substrate integrated waveguide horn antenna; the substrate integrated waveguide horn antenna 2 is composed of two metal planes 8 and ...
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