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Metamaterial Radome and Antenna System

A metamaterial and radome technology, applied in the field of radome, can solve the problems of poor wave transmission performance and loss, and achieve the effects of enhanced wave transmission performance, increased anti-interference ability, and reduced material thickness and dielectric constant limitations

Active Publication Date: 2018-05-22
KUANG CHI INST OF ADVANCED TECH
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  • Abstract
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Problems solved by technology

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

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  • Metamaterial Radome and Antenna System
  • Metamaterial Radome and Antenna System
  • Metamaterial 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 radome and an antenna system. The metamaterial radome includes at least one metamaterial sheet layer, each metamaterial sheet layer includes a first substrate and a plurality of artificial microstructures of the same size arrayed on the first substrate; the artificial microstructures are ten Zigzag structure, wherein there is no gap between each cross-shaped structure. The invention obtains the required electromagnetic response by attaching the artificial microstructure with a specific shape on the substrate, so that the wave-transmitting performance and the anti-interference ability of the radome based on the metamaterial are enhanced. Moreover, the radome of the present invention has extremely small loss in the range of 3.6-18 GHz and high wave-transmitting efficiency.

Description

technical field [0001] The present invention relates to radomes, and more particularly, to metamaterial 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 figures compose...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/42H01Q15/12
Inventor 刘若鹏赵治亚方小伟王海莲杨树坤
Owner KUANG CHI INST OF ADVANCED TECH
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