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Miniaturized multi-beam vortex beam generation device

A generation device, multi-beam technology, applied in the direction of antenna grounding device, antenna, specific array feeding system, etc., can solve the problems of vortex beam influence, complexity increase, and less control parts, etc., to achieve expanded coverage, Effect of reducing feed loss and reducing mutual coupling problems

Active Publication Date: 2020-12-11
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the uniform circular array contains a large number of array elements, and the number of array elements increases with the increase of the vortex wave mode, resulting in an increase in the size and complexity of the array; the reflective array or the transmission array is the feed source There are strict requirements on the position relative to the front, and further feeds may affect the generated vortex beams
The vortex wave generating devices in the above two array forms are often bulky, which is not conducive to practical application
[0004] The existing single-antenna vortex wave generating device has a small volume and has the characteristics of miniaturization. However, due to the simple form of a single antenna, there are few parts that can be adjusted, so it can only generate simple vortex beams.
And because the antenna aperture of a single antenna is small, the divergence characteristics of vortex waves are more obvious, which further reduces its transmission effect, and the performance degradation is more serious when using it to generate high-order modal vortex waves
Therefore, it is difficult for the single-antenna vortex wave generating device to effectively control the vortex beam, reflecting its limitations in practical application.

Method used

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  • Miniaturized multi-beam vortex beam generation device
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Embodiment Construction

[0041] Embodiments of the present invention will be described in detail below in conjunction with examples, but those skilled in the art will understand that the following examples are only used to illustrate the present invention, and should not be considered as limiting the scope of the present invention.

[0042] refer to Figure 1-Figure 3 , a kind of miniaturized multi-beam vortex beam generation device provided by the present invention, comprises: floor 2, dielectric substrate 1 and K microstrip antenna units, each microstrip antenna unit comprises elliptical annular microstrip antenna patch 3 and M A feeding port 4, each feeding port 4 is made up of a coaxial feeder 41 and an input port 42;

[0043]The lower surface of the dielectric substrate 1 is attached to the surface of the floor 2, and K elliptical annular microstrip antenna patches 3 are printed on the upper surface of the dielectric substrate 1, and the position centers of the K elliptical annular microstrip ant...

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Abstract

The invention discloses a miniaturized multi-beam vortex beam generation device. The device comprises a floor, a dielectric substrate and K microstrip antenna units, each microstrip antenna unit comprises an elliptical annular microstrip antenna patch and M feed ports, and each feed port consists of a coaxial feed line and an input port; k elliptical annular microstrip antenna patches are printedon the dielectric substrate, and the position centers of the elliptical annular microstrip antenna patches are located on an outer ellipse; and M input ports in each microstrip antenna unit are respectively etched on the floor, and the M coaxial feeders in each microstrip antenna unit are vertically embedded into the dielectric substrate. According to the invention, array design is carried out byusing a small number of miniaturized antenna units, so that multi-beam vortex waves are realized; and the defects of numerous array elements of the existing array antenna and the problem of limited beam regulation and control capability of a single antenna are avoided, and the device has the characteristics of miniaturization and wide beam coverage.

Description

technical field [0001] The invention relates to the technical field of antennas, in particular to a miniaturized multi-beam vortex beam generating device, which can be used in communication and radar systems. Background technique [0002] Radio technology has brought profound changes to all aspects of human life because it can realize the rapid transmission of information, and its related products have become an indispensable part of people's daily life. At the same time, the ever-increasing communication services make non-renewable spectrum resources increasingly scarce, and the communication rate tends to the limit of Shannon's theorem, posing challenges for further communication performance improvement. For this reason, radio-related technologies urgently need to make breakthroughs to solve the above problems, and electromagnetic waves as information carriers have also been extensively studied. Studies in recent years have shown that vortex electromagnetic waves (referre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/38H01Q1/48H01Q1/50H01Q1/52H01Q21/00H01Q21/06H01Q21/29
CPCH01Q1/38H01Q1/48H01Q1/50H01Q1/523H01Q21/0006H01Q21/065H01Q21/296
Inventor 李龙薛皓林屹峰徐鹏冯强
Owner XIDIAN UNIV
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