Broadband high-gain metal lens antenna based on four-ridge waveguide

A metal lens, lens antenna technology, applied in antennas, waveguide horns, electrical components and other directions, can solve the problems of difficult wide bandwidth, high efficiency and high gain, complicated design, complex structure and so on

Active Publication Date: 2021-12-28
CHENGDU PINNACLE MICROWAVE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the insertion loss and high Q value introduced by the addition of lumped elements, this type of lens antenna has the disadvantage of low efficiency for narrow bandwidth apertures
Metasurface lenses use new artificial materials to achieve phase regulation, but their structures are often complex and the design is cumbersome. Like multilayer frequency selective surface lenses, they have the disadvantages of narrow bandwidth and ohmic loss and dielectric loss.
Through the review and analysis of the existing technology, the current lens antenna is difficult to achieve wide bandwidth, high efficiency, and high gain at the same time

Method used

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  • Broadband high-gain metal lens antenna based on four-ridge waveguide
  • Broadband high-gain metal lens antenna based on four-ridge waveguide
  • Broadband high-gain metal lens antenna based on four-ridge waveguide

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Embodiment Construction

[0024] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0025] A broadband high-gain metal lens antenna based on a four-ridge waveguide, such as Figure 6 As shown, the lens antenna includes a lens 1 composed of a plurality of lens units and a feed horn 2 located at the focal plane of the lens, wherein each lens unit includes a square waveguide 3 and four Central ridge 4.

[0026] In this embodiment, a four-ridge waveguide is used as a lens unit. The four-ridge waveguide is com...

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Abstract

The invention discloses a broadband high-gain metal lens antenna based on four-ridge waveguide. The antenna comprises a lens formed by a plurality of lens units and a feed source horn positioned on a focal plane of the lens, and each lens unit consists of a square waveguide and four ridges positioned in the centers of four walls of the square waveguide. The problem that a traditional lens antenna is difficult to realize wide gain bandwidth and high aperture efficiency at the same time is solved; the antenna disclosed by the invention is high in gain and wide in working gain bandwidth, and can meet the requirement of millimeter wave long-distance communication; and according to the antenna, far-field high-gain radiation is achieved, meanwhile, dual-polarization scanning is achieved in two dimensions, and the antenna is suitable for the application scene of millimeter wave multi-beam scanning.

Description

technical field [0001] The invention relates to the technical field of antennas, in particular to a wide-band high-gain metal lens antenna based on a four-ridge waveguide. Background technique [0002] With the rapid development of mobile communication technology, the requirements of various systems for antennas are also increasing. On the one hand, due to the continuous improvement of the working frequency band of the antenna, its transmission loss has increased compared with the traditional low-frequency antenna. Therefore, in this case, a high-gain antenna with high directivity and long-distance transmission characteristics must be used. On the other hand, modern antennas need to cover a larger spatial range to meet multi-beam application scenarios, so beam scanning antennas have also attracted much attention. High-gain beam scanning antennas are widely used in millimeter-wave communication fields such as satellite communication, radar detection, and space communication....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q15/02H01Q15/24H01Q13/02H01Q19/06
CPCH01Q15/02H01Q15/24H01Q13/02H01Q19/06
Inventor 董元旦王熙程洋马增红
Owner CHENGDU PINNACLE MICROWAVE CO LTD
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