Horn antenna
A technology of horn antenna and horn, which is applied in the direction of antenna, waveguide horn, electrical components, etc., can solve the problem that the phase inconsistency cannot be fundamentally eliminated, and achieve the effect of simple structure, small half-power angle and good directivity
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[0030] The present invention will be described in further detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0031] Such as figure 1 Shown is a horn antenna, including a feed 1 and a horn 2, and the horn 2 is filled with a multi-layer metamaterial medium 3.
[0032] The horn antenna emits electromagnetic wave signals from the feed source 1, and enters the metamaterial medium 3 through the horn 2 for electromagnetic wave convergence, and through the refractive index distribution inside the metamaterial medium 3, the horn antenna has the characteristics of high gain and good directivity .
[0033] In order to make the horn antenna have the above-mentioned characteristics, that is to say, to ensure that the electromagnetic waves have the same phase when the electromagnetic waves are emitted from the horn mouth surface, that is, equal phase transmission, it is usually realized by ...
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