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Low-profile ultra-wideband oscillator antenna based on concave folded ground structure

A vibrator antenna, ground structure technology, applied in the direction of the antenna grounding switch structure connection, antenna, antenna grounding device, etc., can solve the problem of unstable pattern, achieve the effects of convenient processing, improved impedance matching characteristics, and wide working bandwidth

Inactive Publication Date: 2020-06-26
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the application of the ultra-wideband antenna of the above scheme, the pattern is unstable

Method used

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  • Low-profile ultra-wideband oscillator antenna based on concave folded ground structure
  • Low-profile ultra-wideband oscillator antenna based on concave folded ground structure
  • Low-profile ultra-wideband oscillator antenna based on concave folded ground structure

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Embodiment Construction

[0047] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0048] Such as Figure 1 to Figure 9 As shown, a low-profile ultra-wideband dipole antenna based on a concave corrugated ground structure provided by the present invention includes an ultra-wideband dipole antenna, a feed structure plate and a concave corrugated ground structure. The ultra-wideband dipole antenna is a printed planar butterfly dipole antenna , the printed planar butterfly dipole antenna is installed on the concave folded ground structure, and used as the source antenna. The source antenn...

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Abstract

The invention provides a low-profile ultra-wideband oscillator antenna based on a concave folded ground structure. The low-profile ultra-wideband oscillator antenna comprises a printed planar butterfly oscillator antenna, a quarter-arc parallel double-line transmission line, a double-folded parallel double-line transmission line, an exponential gradient microstrip balun, an SMA connector and the concave folded ground structure. The antenna is connected to a microstrip balun through an SMA connector, transits from an unbalanced mode to a balanced mode, and then transforms from horizontal transmission to vertical transmission through a double-zigzag and quarter-arc parallel double-wire transmission line to excite the planar butterfly oscillator antenna to radiate. The planar butterfly-shapedoscillator antenna is fixed on the concave folded ground structure through a nylon stud. The concave wrinkled ground structure is composed of a plurality of gradual change slotting grooves and a concave cavity. The ultra-wideband antenna solves the problems of low profile and ultra-wideband stable directional radiation of an existing ultra-wideband antenna with a floor.

Description

technical field [0001] The invention relates to the field of antennas, in particular to a low-profile ultra-wideband dipole antenna based on a concave folded ground structure. Background technique [0002] The continuous progress of science and technology and the increasing demands of all aspects of society have promoted the rapid development of wireless communication technology. Antennas, as an important part of wireless communication systems, have gradually received more attention. On various carriers such as satellites, automobiles, and ships, communication equipment is also indispensable, and the requirements for antennas are becoming more and more stringent. [0003] With the development of communication technology, ultra-wideband communication technology has attracted more and more attention from the industry due to its advantages such as strong frequency division multiplexing capability, high transmission rate, low system complexity, strong anti-multipath transmission...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/38H01Q1/48H01Q1/50H01Q19/12
CPCH01Q1/38H01Q1/48H01Q1/50H01Q19/12
Inventor 金荣洪任超凡耿军平王堃周晗梁仙灵
Owner SHANGHAI JIAO TONG UNIV
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