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Large-angle wave-transmitting metamaterial, antenna housing thereof and antenna system

A metamaterial and large-angle technology, applied in the direction of antenna, radiation unit cover, electrical components, etc., can solve the problems of not having large-angle wave-transmitting function, poor wave-transmitting performance, and narrow working frequency band, so as to reduce material thickness and intermediary Limitation of electrical constant, enhanced wave transmission performance, and high wave transmission efficiency

Active Publication Date: 2012-10-31
KUANG CHI CUTTING EDGE TECH LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a large-angle wave-transmitting metamaterial and its radome and antenna system

Method used

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  • Large-angle wave-transmitting metamaterial, antenna housing thereof and antenna system
  • Large-angle wave-transmitting metamaterial, antenna housing thereof and antenna system
  • Large-angle wave-transmitting metamaterial, antenna housing thereof and antenna system

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Embodiment Construction

[0037] 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 large-angle wave-transmitting metamaterial, an antenna housing thereof and an antenna system. The large-angle wave-transmitting metamaterial comprises a plurality of metamaterial sheet layers, wherein each metamaterial sheet layer comprises a substrate and a plurality of artificial microstructures with same shapes and dimensions, the artificial microstructures are distributed on the substrate in an array way, and the artificial microstructures of adjacent metamaterial sheet layers are different in shape. The large-angle wave-transmitting metamaterial, the antenna housing thereof and the antenna system work in a 19-22G GHz frequency band, and the wave-transmitting efficiency of the19-22G GHz frequency band is very high; the loss is relative stable under the condition of large-angle incidence, and higher wave-transmitting rate can be kept.

Description

technical field [0001] The present invention relates to wave-transparent metamaterials, and more specifically, to large-angle wave-transparent metamaterials, radome and 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-d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q15/00H01Q1/42
Inventor 刘若鹏赵治亚方小伟陈智伟吴煜锋张岭
Owner KUANG CHI CUTTING EDGE TECH LTD
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