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Low-loss metamaterial antenna housing

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

Inactive Publication Date: 2013-09-11
KUANG CHI INNOVATIVE TECH
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  • Abstract
  • Description
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Problems solved by technology

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

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  • Low-loss metamaterial antenna housing
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Embodiment Construction

[0025] 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 low-loss metamaterial antenna housing which comprises at least one metamaterial piece layer. Each metamaterial piece layer comprises a first substrate and a plurality of man-made micro-structures with the same size, wherein the man-made micro-structures are distributed on each first substrate in an array mode. The man-made micro-structures are of cross-shaped structures. Due to the fact that the man-made micro-structures in specific shapes are attached to the substrates, required electromagnetic response is obtained, the wave-transparent performance of the antenna housing based on the metamaterial is strengthened, and anti-jamming capability is improved. Meanwhile, the loss of the antenna housing nearby the frequency point range of 30GHz is quite low, and wave-transparent efficiency is quite high.

Description

technical field [0001] The present invention relates to radomes, and more particularly, to low loss metamaterial radomes. 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 composed of metal ...

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Application Information

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IPC IPC(8): H01Q1/42H01Q15/02
Inventor 刘若鹏赵治亚方小伟张岭
Owner KUANG CHI INNOVATIVE TECH
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