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Phase gradient metasurface antenna of microstrip-line-like feed structure

A technology of microstrip line feeding and phase gradient, which is applied in the direction of antenna grounding switch structure connection, antenna, antenna grounding device, etc., can solve the problem that the metasurface antenna cannot take into account low profile and high performance, and achieve high degree of freedom and enhanced Orientation, the effect of realizing the degree of freedom

Pending Publication Date: 2021-12-03
GUILIN UNIV OF ELECTRONIC TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] What the present invention aims to solve is the problem that the existing metasurface antenna cannot take into account both low profile and high performance, and provides a phase gradient metasurface antenna similar to a microstrip line feeding structure

Method used

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  • Phase gradient metasurface antenna of microstrip-line-like feed structure
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  • Phase gradient metasurface antenna of microstrip-line-like feed structure

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific examples.

[0029] refer to Figure 1 to Figure 4 , a phase gradient metasurface antenna similar to a microstrip line feed structure, which consists of two parts: a microstrip line feed structure and a radiator of a phase gradient metasurface.

[0030] The microstrip-like feeding structure includes an SMA coaxial connector 11, a rectangular waveguide 12, a horn waveguide 13 and a similar microstrip line. The rectangular waveguide 12, the horn waveguide 13 and the quasi-microstrip line are all made of metallic copper. Both the rectangular waveguide 12 and the horn waveguide 13 are hollow cavity structures with closed upper and lower side walls and front and rear side walls. The left side wall of the rectangular waveguide 12 is closed, while the right side wall is opened. The left s...

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Abstract

The invention discloses a phase gradient metasurface antenna of a microstrip-line-like feed structure. The phase gradient metasurface antenna is composed of the microstrip-line-like feed structure and a radiating body of a phase gradient metasurface. The microstrip line feed structure comprises an SMA coaxial connector, a rectangular waveguide, a horn waveguide and a similar microstrip line; wherein the similar microstrip line is composed of an upper metal strip, a lower metal plate and a metal connecting band. The radiating body of the phase gradient metasurface comprises more than two metamaterial units, a dielectric substrate and a metal ground. The antenna profile can be reduced, a feasible scheme is provided for the design of a low-profile antenna needing to generate any radiation beam in 5G communication network application, and the phase gradient metasurface is used for adjusting and controlling the direction of a directional diagram, so that the defects that a parabolic antenna is large in size and the feeding of an array antenna is complex can be overcome, and the advantage of high degree of freedom can be achieved.

Description

technical field [0001] The invention relates to the technical field of antennas, in particular to a phase gradient metasurface antenna of a microstrip line feeding structure. Background technique [0002] The metasurface antenna is a new type of antenna structure that has emerged in recent years. The characteristics of the metasurface structure arbitrarily regulating the electromagnetic wave make many traditional high-performance antennas can be replaced by the metasurface antenna, and has a smaller volume and a simpler structure. At present, most metasurface antennas focus on designing a reflectarray antenna or a lens antenna. Although such antennas have good performance, they have a high profile, which is not conducive to the development of antenna miniaturization. Some scholars proposed to place the antenna feed structure and the metasurface structure in the same horizontal plane, thereby reducing the antenna cross section, but due to the change of the electromagnetic wav...

Claims

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Application Information

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IPC IPC(8): H01Q15/00H01Q1/50H01Q13/08H01Q1/36H01Q1/48H01Q13/02
CPCH01Q15/0086H01Q1/50H01Q13/08H01Q1/36H01Q1/48H01Q13/02
Inventor 周陬郑飞李婷婷
Owner GUILIN UNIV OF ELECTRONIC TECH
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