Ultra-wideband omnidirectional antenna applied to wideband electromagnetic environment monitoring system and design method

An environmental monitoring system and omnidirectional antenna technology, which is applied in the direction of resonant antenna, antenna grounding device, antenna grounding switch structure connection, etc., to achieve good omnidirectional directional characteristics and solve the effect of narrow bandwidth

Pending Publication Date: 2021-04-16
CHINA SHIP DEV & DESIGN CENT
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Obviously, for the development of today's radio monitoring, traditional antennas can no longer meet the r...

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  • Ultra-wideband omnidirectional antenna applied to wideband electromagnetic environment monitoring system and design method
  • Ultra-wideband omnidirectional antenna applied to wideband electromagnetic environment monitoring system and design method
  • Ultra-wideband omnidirectional antenna applied to wideband electromagnetic environment monitoring system and design method

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Embodiment Construction

[0035] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0036] Such as figure 1 As shown, the ultra-wideband omnidirectional antenna applied to the broadband electromagnetic environment monitoring system of the embodiment of the present invention includes: a radiator 1, a metal floor 2, a coaxial feeding structure 3 and a feeding probe (4); wherein :

[0037] Radiator 1 is a dipole structure based on a progressive cone; the progressive conical cross-section of radiator 1 is divided into an arc segment and a cone segment; the arc segment is a hollow structure, and the hollow part is divided into upper and lower parts, and the upper part is an isosceles ...

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Abstract

The invention discloses an ultra-wideband omnidirectional antenna applied to a wideband electromagnetic environment monitoring system and a design method. The antenna comprises a radiator, a metal floor, a coaxial feed structure and a feed probe. The method comprises the following steps: 1, designing initial parameters of a dipole structure of an antenna radiator; 2, creating an initial antenna model in three-dimensional electromagnetic simulation software HFSS, and performing simulation; 3, setting a parameter scanning interval of the feed probe according to the surface current distribution condition of the antenna, and performing parameter scanning; and 4, determining the optimal size of the antenna according to a parameter scanning result. The antenna can solve the problems that a traditional front-end receiving antenna is narrow in bandwidth and large in weight, has high performance and portability, has the ultra-wideband characteristic, and has the sound omni-directional characteristic within the wide frequency band.

Description

technical field [0001] The invention relates to the technical field of electromagnetic compatibility and antennas, in particular to an ultra-broadband omnidirectional antenna and a design method applied to a broadband electromagnetic environment monitoring system. Background technique [0002] With the rapid development of science and technology and social economy, the types and quantities of radio communication equipment have increased significantly, and the electromagnetic environment has become increasingly complex, making the originally limited radio spectrum resources more crowded, which brings great challenges to the monitoring and management of spectrum resources. new difficulties and challenges. In the increasingly complex electromagnetic environment, the operating frequency of radio monitoring equipment continues to expand to the microwave frequency band, no matter in the civil or military field. Therefore, it is very important to improve the performance of radio mo...

Claims

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Application Information

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IPC IPC(8): H01Q1/36H01Q1/48H01Q1/50H01Q9/16
Inventor 王馨怡左宇刘义倪超董晶
Owner CHINA SHIP DEV & DESIGN CENT
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