Metamaterial microwave antenna cover 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 inability to increase antenna gain, etc., and achieve the effect of enhancing wave transmission performance, reducing material thickness and permittivity limitations, and increasing transmission

Active Publication Date: 2012-09-19
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 antenna system for the above-mentioned poor wave-transmitting performance of the prior art, which cannot improve the antenna gain

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  • Metamaterial microwave antenna cover and antenna system
  • Metamaterial microwave antenna cover and antenna system
  • Metamaterial microwave antenna cover and antenna system

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Embodiment Construction

[0028] 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, improve the directionality of electromagnetic wave radiation, and increase the gain of the antenna.

[0029] The present invention p...

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Abstract

The invention relates to a metamaterial microwave antenna cover and an antenna system. The metamaterial microwave antenna cover is covered on an antenna, and comprises at least one metamaterial sheet layer, wherein each metamaterial sheet layer comprises a substrate and multiple artificial microstructures arranged on two opposite surfaces of the substrate in an array manner, the substrate is made of HDPE (high-density polyethylene) material and can be divided into multiple metamaterial units, artificial microstructures are respectively arranged on two opposite surfaces of each metamaterial unit, the sizes of the metamaterial units are identical, and each artificial microstructure comprises a square-shaped structure clung to the edge of the metamaterial unit and a square patch at the center of the metamaterial unit. According to the invention, specific-shaped artificial microstructures are adhered to the substrate, and by adjusting the shape and size of the artificial microstructures, the relative dielectric constant, refractive index and impedance of the material are changed, the transmission of electromagnetic wave is enhanced and the directionality and gain of the antenna are improved.

Description

technical field [0001] The present invention relates to radomes, and more particularly, to metamaterial microwave radomes and antenna systems. 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 figur...

Claims

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Application Information

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