HORN ANTENNA
First Claim
1. A horn antenna, comprising a frequency selective surface (FSS), a connection structure, and a waveguide tube, whereinthe connection structure comprises a first dielectric slab, a second dielectric slab, and a dielectric wall, a first surface of the first dielectric slab is a hyperboloid whose surface is protruding, a second surface of the first dielectric slab is connected to the dielectric wall, a spacing between the first surface and the second surface of the first dielectric slab is a thickness of the first dielectric slab, the dielectric wall has a tubular structure, a first surface of the dielectric wall is covered by the first dielectric slab, a second surface of the dielectric wall is covered by the second dielectric slab, a spacing between the first surface and the second surface of the dielectric wall is a height of the dielectric wall, an area of the first surface of the dielectric wall is not less than an area of the second surface of the dielectric wall, the second dielectric slab has a hole at a middle position of the second dielectric slab, and the first dielectric slab, the dielectric wall, and the second dielectric slab jointly form a hollow structure;
- the FSS covers the first surface of the first dielectric slab; and
a part of the waveguide tube is inserted into the hole of the second dielectric slab.
1 Assignment
0 Petitions
Accused Products
Abstract
The present application discloses a horn antenna, including a frequency selective surface (FSS), a connection structure, and a waveguide tube. The connection structure includes a first dielectric slab, a second dielectric slab, and a dielectric wall, which jointly form a hollow structure. A first surface of the first dielectric slab is a hyperboloid whose surface is protruding, a second surface of the first dielectric slab is connected to the dielectric wall. The dielectric wall has a tubular structure, a first surface of the dielectric wall is covered by the first dielectric slab, a second surface of the dielectric wall is covered by the second dielectric slab. There is a hole at a middle position of the second dielectric slab. The FSS covers the first surface of the first dielectric slab. A part of the waveguide tube is inserted into the hole of the second dielectric slab.
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Citations
7 Claims
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1. A horn antenna, comprising a frequency selective surface (FSS), a connection structure, and a waveguide tube, wherein
the connection structure comprises a first dielectric slab, a second dielectric slab, and a dielectric wall, a first surface of the first dielectric slab is a hyperboloid whose surface is protruding, a second surface of the first dielectric slab is connected to the dielectric wall, a spacing between the first surface and the second surface of the first dielectric slab is a thickness of the first dielectric slab, the dielectric wall has a tubular structure, a first surface of the dielectric wall is covered by the first dielectric slab, a second surface of the dielectric wall is covered by the second dielectric slab, a spacing between the first surface and the second surface of the dielectric wall is a height of the dielectric wall, an area of the first surface of the dielectric wall is not less than an area of the second surface of the dielectric wall, the second dielectric slab has a hole at a middle position of the second dielectric slab, and the first dielectric slab, the dielectric wall, and the second dielectric slab jointly form a hollow structure; -
the FSS covers the first surface of the first dielectric slab; and a part of the waveguide tube is inserted into the hole of the second dielectric slab. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A dual-band parabolic antenna, comprising a high frequency feed, a primary reflector a horn antenna, wherein the horn antenna comprises a frequency selective surface (FSS), a connection structure, and a waveguide tube, and wherein
the connection structure comprises a first dielectric slab, a second dielectric slab, and a dielectric wall, a first surface of the first dielectric slab is a hyperboloid whose surface is protruding, a second surface of the first dielectric slab is connected to the dielectric wall, a spacing between the first surface and the second surface of the first dielectric slab is a thickness of the first dielectric slab, the dielectric wall has a tubular structure, a first surface of the dielectric wall is covered by the first dielectric slab, a second surface of the dielectric wall is covered by the second dielectric slab, a spacing between the first surface and the second surface of the dielectric wall is a height of the dielectric wall, an area of the first surface of the dielectric wall is not less than an area of the second surface of the dielectric wall, the second dielectric slab has a hole at a middle position of the second dielectric slab, and the first dielectric slab, the dielectric wall, and the second dielectric slab jointly form a hollow structure; -
the FSS covers the first surface of the first dielectric slab; and a part of the waveguide tube is inserted into the hole of the second dielectric slab.
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Specification