Combined double wideband circularly-polarized antenna unit

A circular polarization antenna and dual broadband technology, applied in the field of navigation antenna and satellite communication, can solve the problems of mutual interference of multiple antennas, narrow frequency band of communication antenna, large occupied volume, etc., and achieve wide lobe width and circular polarization characteristics Good, low cost effect

Inactive Publication Date: 2016-03-23
西安红叶通讯科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a combined dual broadband circularly polarized antenna unit, which solves the problem of narrow frequency band, narrow beam, complex system, large occupied volume, and serious mutual interference of multiple antennas in the prior art. question

Method used

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  • Combined double wideband circularly-polarized antenna unit
  • Combined double wideband circularly-polarized antenna unit
  • Combined double wideband circularly-polarized antenna unit

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Embodiment Construction

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

[0025] The present invention is a combined double broadband circularly polarized antenna unit, the structure of which is as follows figure 1 As shown, it includes a self-supporting grounding integrated structure 1 and a cross matrix 2, a slotted outer conductor 3 is vertically arranged at the center of the self-supporting grounding integrated structure 1, and a cross matrix 2 is placed on the top of the slotted outer conductor 3, wherein ,Such as figure 2 As shown, the self-supporting grounding integrated structure 1 specifically includes four antennas with curved and tapered elements 4, the small end of each antenna with curved and tapered elements 4 is respectively connected to one end of the metal post 5, and each antenna with curved and tapered elements 4 The large end of the antenna is directly connected to the floor, and the backs of ...

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Abstract

The invention discloses a combined double wideband circularly-polarized antenna unit which comprises a self-supporting and grounding integrated structure and a crisscross array, wherein a slotted outer conductor is vertically arranged at the central position of the self-supporting and grounding integrated structure; the crisscross array is arranged at the top end of the slotted outer conductor; the self-supporting and grounding integrated structure specifically comprises four antenna bent and gradient arrays; a small head end of each antenna bent and gradient array is connected by a metal column; the large head end of each antenna bent and gradient array is directly connected with a floor board; power divider units 6 are arranged on the back sides of four antenna bent and gradient arrays 4 by adopting a back-to-back mode; the power divider units 6 are connected with the other ends of the corresponding metal columns 5. According to the combined double wideband circularly-polarized antenna unit disclosed by the invention, the problems that an communication antenna is narrow in frequency band and in wave beam, the system is complex and is large in occupied area, and a plurality of antennae are integrated together to cause serious mutual interference existing in the prior art are solved.

Description

technical field [0001] The invention belongs to the technical field of satellite communication and navigation antennas, and in particular relates to a combined double broadband circularly polarized antenna unit. Background technique [0002] The current circularly polarized antennas mainly include microstrip patch, helical antenna, cross oscillator and other structures. [0003] The microstrip patch antenna has a wide beam width and good performance at low elevation angles, but limited by the thickness of the dielectric plate, the bandwidth is limited. Usually, the bandwidth of a single-layer microstrip antenna is only 1-2%. Even if many layers of microstrip plates are stacked, it can be widened Limited bandwidth, up to one octave, but high cost, usually used for wide-beam narrow-band wireless signal transmission. [0004] The beam width of the helical antenna is narrow, the low elevation angle performance is not good, and it occupies a large volume, which is not conducive ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/36H01Q1/48H01Q1/52
CPCH01Q1/36H01Q1/48H01Q1/52
Inventor 云宇韩志远杨坚黄炜卢晓波吕强
Owner 西安红叶通讯科技有限公司
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