Divided sub-array feed VICTS satellite communication antenna

A technology of dismantling sub-arrays and feeding power, applied in antennas, antenna arrays, space feed arrays and other directions, can solve the problems of small utilization area of ​​feeding cavity and low efficiency of antenna aperture, and achieve easy beam control, simple structure, high efficiency, etc. Effect of Caliber Efficiency

Inactive Publication Date: 2017-07-28
10TH RES INST OF CETC
View PDF2 Cites 11 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the defect that the prior art VICTS antenna adopts a single feeding cavity structure, and the area of ​​the feeding cavity is smal

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
  • Divided sub-array feed VICTS satellite communication antenna
  • Divided sub-array feed VICTS satellite communication antenna
  • Divided sub-array feed VICTS satellite communication antenna

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] refer to Figure 1-Figure 4 . In the example described below, a kind of sub-array feeding VICTS satellite communication antenna includes an upper metal turntable 1 and a lower metal disc 2, and is characterized in that: the upper metal turntable 1 disk surface is shaped on the radial direction, according to the line array The long air slots 12 arranged at equal intervals in black lines, the bottom of each long air slot 12 is formed with an air gap blind slot 13 for impedance matching, and the lower metal disc 2 corresponds to the bottom surface of the upper metal turntable 1, and is formed with a symmetrical diameter Axially arranged waveguide cavities 22, each waveguide cavity is filled with a medium 23, the upper metal turntable 1 is coaxially assembled above the lower metal disc 2, and each waveguide cavity 22 is used as the feed network of the antenna sub-array through The feed line source 24 on the inner wall of the cavity generates a quasi-TEM wave with approxima...

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 proposes a divided sub-array feed VICTS satellite communication antenna, and aims to provide a low-profile high-gain satellite communication antenna with a wide beam scanning angle and a strong radiation capability. The invention is achieved by the following technical scheme: air long slots equally spaced along a radial direction according to a linear array string are made in the surface of an upper metal rotary table, the bottom of a separator of each air long slot is provided with an air gap blind slot for impedance matching, waveguide cavities arranged symmetrically to the diameter axis are made on the lower bottom of the lower metal circular disc, which corresponds to the upper metal rotary table, each waveguide cavity serves as a feed network for an antenna sub-array through a feed line source of the inner wall thereof, a quasi-TEM wave traveling from the left to the right with an approximately equal amplitude and the same phase at a feed end is generated from the left end of each cavity, the quasi-TEM wave electric field flows into each air long slot from each of the waveguide cavities, and the upper metal rotary table uses each air long slot as a radiation sub-array unit, combines the radiation unit sub-arrays into a large array for radiating an antenna into a natural space, and radiates the antenna into the natural space.

Description

technical field [0001] The invention relates to a VICTS (VariableInclination Continuous Transverse Stub Arrays) variable inclination continuous section segment array array antenna, in particular to a low-profile, low-cost, high-performance sub-array feeding VICTS satellite communication antenna. Background technique [0002] Satellite communication systems require antennas with characteristics such as low profile, high gain, wide frequency band, and high scanning angle. Nowadays, in many satellite communication antennas, such as parabolic antennas, phased array antennas, etc., there are some deficiencies. The parabolic antenna has the best beam scanning performance, stable gain, and high scanning angle, but it has the largest volume, high requirements on the servo turntable, and slow scanning rate (millisecond level). The largest of the antennas. [0003] As the popularity of phased array antennas gradually increases, their applications in the field of satellite communicat...

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): H01Q1/36H01Q1/50H01Q3/12H01Q21/00
CPCH01Q1/36H01Q1/50H01Q3/12H01Q21/0018H01Q21/0037
Inventor 刘熠志刘小亮
Owner 10TH RES INST OF CETC
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