Dual-polarized waveguide slot feed source lens antenna with symmetric dielectric filling columns

A technology of dielectric filling and waveguide slots, which is applied in the direction of slot antennas, antennas, and individually powered antenna arrays. The effect of loss

Active Publication Date: 2016-05-04
山东星岭科技有限公司
View PDF7 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned lens antenna can only achieve a single polarization, and the scanning range of the elevation plane is limited

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
  • Dual-polarized waveguide slot feed source lens antenna with symmetric dielectric filling columns
  • Dual-polarized waveguide slot feed source lens antenna with symmetric dielectric filling columns
  • Dual-polarized waveguide slot feed source lens antenna with symmetric dielectric filling columns

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] In the present invention, at the same operating frequency, when the height of the parallel plate waveguide is constant, different medium thicknesses will result in different propagation wavenumbers. We control the relative refractive index of the lens by selecting different medium thicknesses to make it conform to Generalized Lunbert's law distribution can realize compact lens antennas for various purposes. At the same time, in order to achieve the best antenna aperture efficiency, the dual-polarized feed antenna should be placed at the focal point of the cylindrical lens. The directional pattern of this dual-polarized waveguide slot-fed symmetric dielectric-filled cylindrical lens antenna is similar to that of a traditional cylindrical lens antenna. It can achieve a narrow beam in the horizontal plane and a very wide beam in the elevation plane. At the same time, due to the symmetry of the structure, this antenna can be used to generate multi-beam scanning, the scannin...

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 discloses a dual-polarized waveguide slot feed source lens antenna with symmetric dielectric filling columns. The lens antenna comprises a metal disc-shaped parallel-plate waveguide, two mediums and a dual-polarized feed source antenna, wherein the metal disc-shaped parallel-plate waveguide comprises an upper metal disc and a lower metal disc, the two mediums are of same structure, one surface of each medium is a plane, the planes are respectively in close contact with the upper metal disc and the lower metal disc of the metal disc-shaped parallel-plate waveguide, the other surface of each medium is a cambered surface, a cavity between the upper metal disc and the lower metal disc of the metal disc-shaped parallel-plate waveguide and the mediums jointly form a dual-polarized lens with the symmetric dielectric filling columns, and the dual-polarized feed source antenna is fixed at the edge of the metal disc-shaped parallel-plate waveguide. The dual-polarized feed source antenna is a horizontally-polarized waveguide slot antenna and an array thereof or a vertically-polarized waveguide slot antenna and an array thereof or the dual-polarized waveguide slot antenna and an array thereof.

Description

technical field [0001] The invention relates to an antenna, in particular to a dual-polarization waveguide slot feed source symmetrical dielectric-filled cylindrical lens antenna. Background technique [0002] Dielectric lens antennas are widely used in satellite communications, radar detection, and electronic countermeasures. Dielectric lens technology includes thin lens, ball lens, and cylindrical lens antenna. The biggest feature of these lens antennas is their simple structure, wide scanning range, and low-loss broadband operation. In 2001, the uniform spherical lens antenna jointly developed by the University of Toronto and the University of Michigan achieved multi-beam scanning with a coverage of 180° at 77GHz for the first time. The spherical lens antenna is fed by a horizontal semicircular array composed of 33 tapered slot antennas. Each unit generates a 3dB beam width of 5.5°, which can cover a horizontal scanning range of 33×5.5=181.5°. The feeding array can be c...

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): H01Q19/06H01Q15/02H01Q15/08H01Q13/10H01Q21/08
CPCH01Q13/10H01Q15/02H01Q15/08H01Q19/06H01Q21/08
Inventor 吴锡东杨帆
Owner 山东星岭科技有限公司
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