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Single-feed Axial Ratio Bandwidth Enhanced Circularly Polarized Microstrip Antenna

A microstrip antenna and circular polarization technology, which is applied in the direction of antenna, antenna grounding device, antenna grounding switch structure connection, etc., can solve the problem of narrow axis ratio bandwidth of circularly polarized microstrip antenna

Active Publication Date: 2021-05-14
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the embodiment of the present invention provides a circularly polarized microstrip antenna with single-feed axis ratio bandwidth enhancement, which can solve the problem of narrow axis ratio bandwidth of the circularly polarized microstrip antenna under the existing single-feed condition

Method used

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  • Single-feed Axial Ratio Bandwidth Enhanced Circularly Polarized Microstrip Antenna
  • Single-feed Axial Ratio Bandwidth Enhanced Circularly Polarized Microstrip Antenna
  • Single-feed Axial Ratio Bandwidth Enhanced Circularly Polarized Microstrip Antenna

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Embodiment Construction

[0029] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0030] It should be clear that the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0031] Figure 1a It is a top view of a single-feed axis-ratio bandwidth-enhanced circularly polarized microstrip antenna according to an embodiment of the present invention; Figure 1b It is a side view of a circularly polarized microstrip antenna with a single-feed axis-ratio-bandwidth-enhanced embodiment of the present invention. Combined description below.

[0032] Such as Figure 1a , 1b As shown, it is a single-feed axial ratio bandwidth-enhanced circularly polarized microstrip antenna shown in the present in...

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Abstract

The embodiment of the present invention discloses a circularly polarized microstrip antenna with a single-feed axis ratio bandwidth enhancement, including: a dielectric material plate, a radiation patch, a radiation floor, a short-circuit pin and a coaxial line; on the dielectric material plate The radiation patch is printed on the surface, the radiation floor is printed on the lower surface of the dielectric material plate, the coaxial line passes through the dielectric material plate, and communicates with the radiation patch and the Radiation floor; two rectangular grooves of the same size are arranged on the radiation patch; two short-circuit pins are arranged between the radiation patch and the radiation floor, and the two short-circuit pins communicate with the radiation patch and the radiant floor.

Description

technical field [0001] The invention belongs to the technical field of antennas, and in particular relates to a circularly polarized microstrip antenna with single-feed axis ratio bandwidth enhancement. Background technique [0002] According to the polarization characteristics, the antenna can be divided into three types: linear polarization, circular polarization and elliptical polarization. Because the circular polarization antenna can suppress rain and fog interference, resist multipath reflection and avoid polarization mismatch between transmitting and receiving antennas, etc. Advantages, circularly polarized antennas have received extensive attention in recent decades and have been used in modern communication systems such as radio frequency identification (RFID), radar, and global positioning and navigation systems (GPS). Due to the advantages of low profile, low cost and easy realization of circular polarization, the microstrip circularly polarized antenna is one of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/38H01Q1/48H01Q1/50H01Q15/24
Inventor 陈月云陈涛华简荣灵
Owner UNIV OF SCI & TECH BEIJING