Circularly polarized dipole antenna for satellite communication

A dipole antenna, satellite communication technology, applied in the field of satellite mobile communication, to achieve the effect of improving gain, easy installation and good circular polarization performance

Active Publication Date: 2019-12-27
UNIV OF ELECTRONIC SCI & TECH OF CHINA
View PDF7 Cites 27 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The object of the present invention is to provide a circularly polarized dipole antenna for satellite communications against the defects of existing satellite communications antennas, w

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
  • Circularly polarized dipole antenna for satellite communication
  • Circularly polarized dipole antenna for satellite communication
  • Circularly polarized dipole antenna for satellite communication

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0025] This embodiment provides a circularly polarized dipole antenna for satellite communications, and its structural diagram is as follows figure 1 As shown, its side view is shown as figure 2 As shown, its top view is as image 3 As shown; specifically includes: a dielectric substrate 3, a metal reflector 5, four electric dipole antenna radiation arms 1, four parasitic patches 2, four metal conductive walls 4, and a coaxial feeder 7; wherein:

[0026] The four electric dipole antenna radiating arms are arranged in a "ten" shape, any two adjacent electric dipole antenna radiating arms are arranged on the upper surface of the dielectric substrate, and the other two adjacent electric dipole antennas radiate The arms are arranged on the lower surface of the dielectric substrate, and between two adjacent electric dipole antenna radiation arm...

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 belongs to the field of satellite mobile communication and relates to a circularly polarized antenna design, in particular to a circularly polarized dipole antenna for satellite communication. The circularly polarized dipole antenna has the advantages of wide band, wide wave beam and good low-elevation angle circular polarization performance. The circularly polarized dipole antenna comprises a dielectric substrate, a metal reflecting plate, four dipole antenna radiation arms, four parasitic patches, four metal conductive walls and a coaxial feeder; the conductive walls capable ofbroadening lobes are applied to the circularly polarized crossed dipole antenna in a combined manner; the metal reflecting ground plate, the conductive walls and the parasitic patches jointly form magnetic dipole antennas; lobe broadening is carried out on the basis of the complementation of the radiation patterns of the magnetic dipoles and the electric dipoles, so that gain at a low elevation angle can be improved; and thus, the circularly polarized dipole antenna for satellite communication has the advantages of wide band, wide wave beam, low elevation angle, good circular polarization performance, simple structure and easiness in installation, and is more suitable for satellite communication.

Description

technical field [0001] The invention belongs to the field of satellite mobile communication and relates to the design of a circularly polarized antenna, in particular to a wide-band, low-elevation, high-gain, wide-beam circularly polarized dipole antenna for satellite communication. Background technique [0002] The types of circularly polarized antennas commonly used in satellite mobile communications mainly include four-arm helical antennas, microstrip antennas, and crossed dipole antennas. In the satellite navigation and positioning system, in order to receive as many satellite signals as possible and obtain a better signal-to-noise ratio, the satellite navigation and positioning system requires the antenna not only to have wide-angle circular polarization coverage, but also to have high low-elevation gain and Wide beamwidth. [0003] The literature "Bu Dewen, Chen Xi, Fu Guang. An ultra-wide bandwidth beam circularly polarized antenna [C]. Proceedings of the 2017 Nation...

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): H01Q1/36H01Q1/50H01Q3/30H01Q9/28H01Q19/10
CPCH01Q1/36H01Q1/50H01Q3/30H01Q9/28H01Q19/10
Inventor 唐璞王雪冯梅田径雷世文杨伟陈波何子远包永芳林志鹏姚远邓道聃
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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