Single-pass-band double-sided absorbing composite metamaterial and its radome and antenna system

A metamaterial, single-passband technology, applied in antennas, radiation unit housings, electrical components, etc., to achieve the effect of reducing RCS and reducing the radar cross section

Active Publication Date: 2017-07-14
NAT UNIV OF DEFENSE TECH
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  • Abstract
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  • Application Information

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  • Single-pass-band double-sided absorbing composite metamaterial and its radome and antenna system
  • Single-pass-band double-sided absorbing composite metamaterial and its radome and antenna system
  • Single-pass-band double-sided absorbing composite metamaterial and its radome and antenna system

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Embodiment Construction

[0041] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0042] Such as figure 1 As shown, the present invention provides a single-pass-band double-sided wave-absorbing composite metamaterial, including a dielectric substrate 100 made of a non-conductive material and four periodic metamaterial structural layers embedded in the dielectric substrate; The four layers of periodic metamaterial structure layers are in order from top to bottom, as shown in figure 1 In the Z direction, respectively, the resistive thin film layer 102, the first metal patch layer 103, the second metal patch layer 104 and the third metal patch layer 105; the distance between each periodic metamaterial structure layer from the surface of the dielectric substrate Not the same; the single-pass-band double-sided wave-absorbing composite metamaterial is virtually divided into a plurality of periodically arranged square unit structu...

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Abstract

The invention belongs to the technical field of materials and radome, and in particular relates to a single-pass-band double-side wave-absorbing composite metamaterial, a radome, and an antenna system. The single-pass-band double-sided wave-absorbing composite metamaterial includes a dielectric substrate (100) made of a non-conductive material and four layers of periodic metamaterial structure layers embedded in the dielectric substrate; the four layers of periodic The metamaterial structure layers are, in order from top to bottom, respectively the resistive film layer (102), the first metal patch layer (103), the second metal patch layer (104) and the third metal patch layer (105) . The metal patch layer that realizes frequency selection in the present invention can make the array antenna maintain good radiation characteristics in the X frequency band and can communicate freely; at the same time, in the S frequency band, Ku frequency band and K frequency band on both sides of the X frequency band passband, the composite super The resistive film layer with wave-absorbing properties in the material radome works together with the metal patch layer to well absorb the electromagnetic waves that are incident on the radome and reflected back by the metal patch layer.

Description

technical field [0001] The invention belongs to the technical field of materials and radome, and in particular relates to a single-pass-band double-side wave-absorbing composite metamaterial, a radome, and an antenna system. Background technique [0002] Metamaterial is a kind of artificial synthetic material, which artificially changes the electromagnetic properties of the dielectric substrate by arranging the periodic unit structure smaller than the wavelength neatly and rationally on the surface of the dielectric substrate or embedded in the dielectric substrate, so as to realize the function of manipulating electromagnetic waves. The periodic unit structure can be realized by metal foils, resistive and capacitive thin films and magnetic materials attached to the dielectric substrate. Generally speaking, the metal foil periodic unit structure on the metamaterial dielectric substrate mainly realizes the frequency selection function, so that the metamaterial can realize the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q17/00H01Q1/42
Inventor 吴微微袁乃昌黄敬健罗慧王超陈曦周扬王青平卢洪树崔开博
Owner NAT UNIV OF DEFENSE TECH
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