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High-wave-transmission metamaterial, antenna housing made of high-wave-transmission metamaterial and antenna system comprising antenna housing

A technology of metamaterials and radome, which is applied in the field of radome, can solve the problems of poor wave transmission performance, achieve the effects of enhanced wave transmission performance, reduction of material thickness and permittivity limitations, and high wave transmission efficiency

Active Publication Date: 2015-03-25
KUANG CHI INST OF ADVANCED TECH
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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a high-wave-transparency metamaterial and its radome and antenna system in view of the above-mentioned defects of poor wave-transmission performance in the prior art

Method used

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  • High-wave-transmission metamaterial, antenna housing made of high-wave-transmission metamaterial and antenna system comprising antenna housing
  • High-wave-transmission metamaterial, antenna housing made of high-wave-transmission metamaterial and antenna system comprising antenna housing
  • High-wave-transmission metamaterial, antenna housing made of high-wave-transmission metamaterial and antenna system comprising antenna housing

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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 high-wave-transmission metamaterial, an antenna housing made of the high-wave-transmission metamaterial and an antenna system comprising the antenna housing. The high-wave-transmission metamaterial comprises at least one metamaterial sheet layer, each metamaterial sheet layer comprises a first substrate, a second substrate and a plurality of artificial microstructures which are clamped between the first substrate and the second substrate and are arrayed, each artificial microstructure comprises a square structure and four right-angled bent portions, the four right-angled bent portions of each artificial microstructure are arranged inside the square structure of the artificial microstructure and respectively enclose with four end corners of the square structure to form square structure units, the right-angled bent portions of each artificial microstructure are not overlapped mutually, and notches with identical sizes are respectively arranged at the four end corners of each square structure. The high-wave-transmission metamaterial has the advantages that wave transmission efficiency within the frequency range of 5-6GHz is high, and loss is low. In addition, the radiating capacity of an antenna is strengthened after the antenna housing is arranged on the antenna, and gain is effectively increased.

Description

technical field [0001] The present invention relates to a radome, and more particularly, to a highly transparent metamaterial, a radome and an antenna system thereof. 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...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q15/00H01Q1/42
Inventor 刘若鹏赵治亚方小伟付少丽张岭
Owner KUANG CHI INST OF ADVANCED TECH
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