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Double-frequency circularly polarized Beidou antenna

A technology of circular polarization and Beidou, which is applied in the field of dual-frequency circularly polarized Beidou antennas, can solve the problems of high manufacturing process requirements, complex design, complex multi-layer antenna structure, etc., and achieve reduced size, simple structure, and easy Processing effect

Active Publication Date: 2014-05-14
昆山亿趣信息技术研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the antenna in this document is fed through the feed network, and the design is relatively complicated
The search also found that in August 2005, R. Shavit et al. published "Dual frequency circularly polarized microstrip antenna (dual frequency circular Polarized Microstrip Antenna)", the paper realizes the performance of dual-frequency circularly polarized antenna, but the antenna structure of this paper is a complex multi-layer structure, which requires high manufacturing process

Method used

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  • Double-frequency circularly polarized Beidou antenna

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Embodiment Construction

[0024] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings: this embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following the described embodiment.

[0025] Such as figure 1 As shown, this embodiment includes: a supporting dielectric plate 1, an excitation port 8

[0026] Such as figure 2 As shown, the front side of the dielectric board 1 includes: a ring-shaped ground 2, a first ring-shaped patch 3, a second ring-shaped patch 4, a first gap 5, and a second gap 6;

[0027] Such as image 3 The reverse side of the shown dielectric board has: microstrip transmission line 7;

[0028] The excitation port 8 is connected to one end of the microstrip transmission line 7; the first annular patch 3 is located inside th...

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Abstract

The invention belongs to the technical field of communication, and particularly relates to a double-frequency circularly polarized Beidou antenna. The antenna comprises a dielectric slab performing a supporting function and a feed port. An annular floor, a first annular patch, a second annular patch, a first clearance and a second clearance are arranged on the front face of the dielectric slab, and the first clearance and the second clearance are formed in the first annular patch and the second annular patch respectively. Microstrip transmission lines are arranged on the back face of the dielectric slab. According to the double-frequency circularly polarized Beidou antenna, the double-frequency circularly polarized characteristics of the Beidou antenna are achieved by adding a parasitic element and forming clearances in a radiating element.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a dual-frequency circularly polarized Beidou antenna. Background technique [0002] The Beidou satellite navigation system is a global satellite positioning and communication system independently developed by my country. Together with the US GPS, Russia's GLONASS, and the EU's Galileo system, it is known as the world's four major satellite navigation systems. At present, the United Nations has confirmed these four systems together as the core suppliers of the global satellite navigation system. It has changed the long-term lack of high-precision and real-time positioning means in my country, broken the monopoly position of the United States and Russia in this field, and can provide a variety of business guarantees for various military and civilian uses of land, sea, air and space in my country. In particular, it is of great significance to improve the moderniza...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/36H01Q5/00H01Q13/08H01Q5/10H01Q5/20H01Q5/307
Inventor 王小毅杨国敏钟永卫
Owner 昆山亿趣信息技术研究院有限公司
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