S/X double-band circularly polarization feed source
A circularly polarized, dual-band technology, used in devices, electrical components, waveguide horns, etc. that make the antenna work in different bands at the same time, which can solve the problems of difficult to meet application requirements and difficult to achieve high gain performance.
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[0040] The present invention adopts high gain to the dual-frequency coaxial feed source, and the structure is as follows figure 1 , 2 , 3, including S-band speaker 1, caliber conversion section 2, S-band coupling hub 3, S-band circular polarization forming network, X-band speaker 4, X-band circular polarizer 5, cable assembly and waveguide assembly, the same The outer cavity of the axial cavity is composed of the outer cavity of the S-band horn 1, the aperture conversion section 2 and the S-band coupling hub 3, and the inner cavity of the coaxial cavity is composed of the X-band horn 4 and the inner cavity of the S-band coupling hub 3.
[0041] The high-gain directional antenna is a compact double-reflector form, which has the advantages of high radiation efficiency and so on. High-gain directional antennas need to use S / X dual-band feeds with higher gain for excitation to achieve a reasonable edge irradiation level of the antenna. For the design of S / X dual-band feeds, the ...
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