A Common Aperture Tri-band Multi-mode Horn Antenna

A horn antenna, common aperture technology, applied in the direction of antenna, antenna coupling, waveguide horn, etc., can solve the problem of complex structure of full corrugated horn, achieve the effect of light weight, excellent performance, and reduce complexity

Active Publication Date: 2021-10-22
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the complex structure of the multi-band full-corrugated horn, the present invention proposes a common-aperture three-band multi-mode horn antenna

Method used

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  • A Common Aperture Tri-band Multi-mode Horn Antenna
  • A Common Aperture Tri-band Multi-mode Horn Antenna
  • A Common Aperture Tri-band Multi-mode Horn Antenna

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Embodiment Construction

[0023] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:

[0024] The invention realizes beam equalization and high polarization isolation of S and C bands through the form of partial ripple excitation, and reduces gain fluctuation in the band. The rational design of the radius of the corrugated excitation section and the location of the port takes into account the mutual isolation of the three frequency bands, and can simultaneously transmit and receive signals in the three frequency bands of L, S, and C. Its composition includes: an orthogonal mode coupler (OMT) 1, a corrugated excitation section 2, a light wall horn section 3, and an L-band feed section 4.

[0025] In the scheme, the orthogonal mode coupler 1 is in the form of a rectangular waveguide; it includes a through port, a coupling port and an output port, the through port is a C-band feed port, adopts the form of a rectangular waveguide, and transitions to T...

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Abstract

The invention relates to a common-caliber three-frequency multi-mode horn antenna, which belongs to the field of electronic science and technology. It consists of OMT, corrugated excitation section, optical wall horn section, and L-band feed section. The orthogonal mode coupler is located at the lowermost end of the antenna; the corrugated excitation segment is located above the OMT, the input end of the corrugated excitation segment is connected to the output end of the OMT, and the output port of the corrugated excitation segment is connected to the input end of the optical wall horn segment; the optical wall The horn section is located above the corrugated excitation section; the L-band feeding section is connected to the side wall of the light-wall horn section through a coupling port; the present invention adopts an orthogonal mode coupler to realize the S and C-band feeding, wherein the C-band passes through the straight-through port. Feeding, the S-band is fed through the coupling port on the sidewall, and the polarizations of the two ports are orthogonal. The high-order mode of the S / C band is excited by the partial corrugated excitation section with double groove depth, and the optical wall horn section is connected to form a multi-mode horn, which improves the polarization isolation of the S / C band and the beam equalization of the pattern, and reduces the In-band gain fluctuation, the performance is better than the optical arm horn antenna.

Description

technical field [0001] The invention belongs to the field of electronic science and technology, and in particular relates to a common-aperture three-frequency multi-mode horn antenna and a wireless communication system thereof. It can realize multi-channel high polarization isolation communication at the same time, and reduce the interference between communication systems. It can be applied to multi-band high polarization isolation wireless communication systems, such as satellite communication systems. Background technique [0002] With the development of electronic technology, the requirements for space utilization of electronic components and supporting equipment are getting higher and higher. Realizing multiple polarizations or multiple frequency bands through a single antenna can effectively increase channel capacity and reduce system footprint. At present, the multi-frequency forms of the horn antenna generally include the nested type and the common port type. In th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q13/02H01Q5/20H01Q1/52H01Q1/50
CPCH01Q1/50H01Q1/52H01Q13/0216H01Q13/025H01Q5/20
Inventor 傅光俞海丰
Owner XIDIAN UNIV
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