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Metamaterial Microwave Radome and Antenna System

A microwave antenna and metamaterial technology, applied in the field of radome, can solve the problems of poor wave transmission performance and achieve the effect of enhanced wave transmission performance, high wave transmission efficiency, and increased anti-interference ability

Active Publication Date: 2015-10-07
KUANG CHI CUTTING EDGE TECH LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a metamaterial microwave radome and an antenna system for the above-mentioned defects of the prior art with poor wave transmission performance

Method used

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  • Metamaterial Microwave Radome and Antenna System
  • Metamaterial Microwave Radome and Antenna System
  • Metamaterial Microwave Radome and Antenna System

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Embodiment Construction

[0027] Metamaterials are artificial composite structural materials with extraordinary physical properties that natural materials do not have. Through the orderly arrangement of microstructures, the relative permittivity and magnetic permeability of each point in space can be changed. Metamaterials can realize within a certain range the refractive index, impedance, and wave-transmitting properties that ordinary materials cannot possess, so that they can effectively control the propagation characteristics of electromagnetic waves. The metamaterial radome based on the artificial microstructure can change the relative permittivity, refractive index and impedance of the material by adjusting the shape and size of the artificial microstructure, so as to achieve impedance matching with the air to maximize the incident electromagnetic wave. transmission. And the frequency can be selected by adjusting the size of the microstructure, and the corresponding wave-transmitting and filtering...

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Abstract

The invention relates to a metamaterial microwave antenna cover and an antenna system. The metamaterial microwave antenna cover works within a frequency range of 7.0-8.5GHz, covers an antenna and comprises at least one metamaterial sheet layer, wherein each metamaterial sheet layer comprises a first base plate, a second base plate and a plurality of artificial microstructures with the same sizes, and the plurality of artificial microstructures are arranged in an array; and each artificial microstructure comprises a snowflake-shaped structure including a cross structure and four straight structures, wherein the four straight structures with the same sizes are respectively arranged on the four end points of the cross structure. The metamaterial microwave antenna cover disclosed by the invention works within the frequency range of 7.0-8.5GHz, the wave transmission efficiency in the frequency range is very high, and the loss is smaller.

Description

technical field [0001] The present invention relates to a radome, and more particularly, to a metamaterial microwave radome and an antenna system. Background technique [0002] Metamaterials, commonly known as metamaterials, are a new type of synthetic material, which is composed of a substrate made of non-metallic materials and multiple artificial microstructures attached to the surface of the substrate or embedded in the interior of the substrate. The substrate can be virtually divided into multiple substrate units arranged in a rectangular array. Each substrate unit is attached with artificial microstructures to form a metamaterial unit. The entire metamaterial is composed of many such metamaterial units, just like Crystals are composed of countless crystal lattices arranged in a certain way. The artificial microstructures on each metamaterial unit may or may not be identical. Artificial microstructures are planar or three-dimensional structures with certain geometric f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/42H01Q15/00
Inventor 刘若鹏赵治亚方小伟王凡王海莲
Owner KUANG CHI CUTTING EDGE TECH LTD
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