Low-profile omnidirectional circularly polarized antenna with wide axial-ratio beam on pitching surface

A circularly polarized antenna, low-profile technology, applied in antennas, resonant antennas, electrical short antennas, etc., can solve the problems of large volume, 3dB axial ratio narrow beam, etc., and achieve the effect of narrow beam, ingenious design, and reasonable structure

Inactive Publication Date: 2017-08-29
SHANXI UNIV
View PDF4 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of narrow 3dB axial ratio beam and large volume of existing circularly polarized antennas, the pr

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Low-profile omnidirectional circularly polarized antenna with wide axial-ratio beam on pitching surface
  • Low-profile omnidirectional circularly polarized antenna with wide axial-ratio beam on pitching surface
  • Low-profile omnidirectional circularly polarized antenna with wide axial-ratio beam on pitching surface

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the drawings and embodiments.

[0028] Such as figure 1 , 2 As shown, a low-profile omnidirectional circularly polarized antenna with a wide-axis ratio beam on the elevation plane includes: a dielectric substrate, a circular monopole radiator, and a hexagonal radiator; the circular monopole radiator The radiator is located in the center of the antenna, and the hexagonal radiator is located around the circular monopole radiator.

[0029] The circular monopole radiator includes: an upper circular monopole metal patch 2 and a lower circular monopole metal patch 3, the upper circular monopole metal patch 2 and a lower circular monopole metal patch 2 The pole metal patches 3 are respectively mounted on the upper surface and the lower surface of the dielectric substrate 1, and are opposite to each other;

[0030] Between the center of the upper surface of the upper cir...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to an omnidirectional circularly polarized antenna, in particular to a low-profile omnidirectional circularly polarized antenna with a wide axial-ratio beam on a pitching surface. The low-profile omnidirectional circularly polarized antenna comprises a dielectric substrate, a round monopole radiator and a hexagonal radiator, wherein the round monopole radiator is arranged in the center of the antenna and comprises an upper-layer round metal patch and a lower-layer round metal patch, the upper-layer round metal patch and the lower-layer round metal patch are right opposite to each other and are surface-mounted at two sides of the dielectric substrate, six metal patch short-circuit via holes are formed between the upper-layer round metal patch and the lower-layer round metal patch in a penetrating way, dual-L shaped gaps are formed in two edges of the via holes, the hexagonal radiator is arranged around the round monopole radiator and comprises an upper layer and a lower layer, the upper layer and the lower layer are surface-mounted at the two sides of the dielectric substrate, each layer comprises six groups of S-shaped matching transmission lines, a rectangular metal patch and a round metal sheet, and the hexagonal radiator penetrates through the dual-L shaped gaps and are connected with the via holes of the round monopole radiator. By the low-profile omnidirectional circularly polarized antenna, the problems of narrow 3dB axial-ratio beam and large volume of an existing circularly polarized antenna are solved. The low-profile omnidirectional circularly polarized antenna is suitable for wireless communication.

Description

Technical field [0001] The invention relates to an omnidirectional circularly polarized antenna, in particular to a low-profile omnidirectional circularly polarized antenna with a wide-axis ratio beam on the elevation plane. Background technique [0002] Circularly polarized antennas are widely used in radar, electronic countermeasures, satellite communications and other fields because of their advantages of suppressing rain and fog and anti-multipath reflection. In mobile communications, the use of omnidirectional circularly polarized antennas can achieve better radiation characteristics within a 360° horizontal plane, expand the coverage of antenna sectors, and reduce the number of base station antennas. [0003] At present, a lot of research has been done on omnidirectional circularly polarized antennas at home and abroad, and a variety of omnidirectional circularly polarized antennas have appeared. In 2013, Wei Wei Li and others published "Omnidirectional Circularly Polarized ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H01Q1/38H01Q9/04
CPCH01Q1/38H01Q9/0407H01Q9/0414H01Q9/0428H01Q9/40
Inventor 张文梅莫文东陈新伟韩国瑞马润波
Owner SHANXI UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap