A controllable wave-transmitting microstructure metamaterial
A microstructure and metamaterial technology, applied in the field of radomes, can solve problems such as narrow operating frequency band, replacement of different radomes, etc., to achieve the effects of low radar cross section, compatibility, and out-of-band stealth function.
Active Publication Date: 2020-09-01
SHAANXI SCI TECH UNIV
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[0009] The purpose of the present invention is to provide a controllable wave-transparent microstructure metamaterial to solve the problem that the radome made of the existing wave-transparent metamaterial has a narrow working frequency band and needs to be replaced with different radome under different frequency band requirements
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[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to the specific embodiments.
[0028] refer to figure 1 , a controllable wave-transmitting microstructure metamaterial of the present invention, comprising a substrate layer 1 and arranged on the surface of the substrate layer 1 with a thickness of d 1 The artificial microstructure array layer 2, the substrate layer 1 has a thickness of d 2 Made of FR-4 epoxy glass cloth laminate.
[0029] refer to figure 2 , the artificial microstructure array layer 2 can be divided into multiple quadrilateral metamaterial units, the center-to-center distance between adjacent metamaterial units, that is, the period of the metamaterial unit is a, and the value of a ranges from 5 to 100mm, wherein each metamaterial The unit includes a number of chamfered square microstructure units 3 arranged vertically and ho...
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Abstract
A supermaterial with controllable wave transmission microstructure is disclosed, comprises a substrate layer and an artificial microstructure array layer arranged on the surface of the substrate layer, wherein the artificial microstructure array layer can be divided into a plurality of quadrilateral metamaterial units, wherein each metamaterial unit comprises a plurality of microstructure units, and a resistor and a varactor diode are respectively connected between four corners of adjacent microstructure units. The metamaterial of the invention introduces an active varactor diode into the frequency-selective wave-transmitting metamaterial structure, realizes active tunability of the transmission frequency band by reasonably designing the microstructure type and the connection mode betweenthe microstructures, and the radome made of the material can be applied to a plurality of antennas.
Description
technical field [0001] The invention belongs to the technical field of radome, and in particular relates to a controllable wave-transmitting metamaterial. Background technique [0002] "Metamaterial" refers to some composite materials that have artificially designed structures and exhibit extraordinary physical properties that natural materials do not have. Metamaterials have special properties that natural materials do not have, and these properties mainly come from artificial special structures. [0003] The design of metamaterials is to break through the limitations of some apparent natural laws through the design of various physical structures, and to obtain extraordinary physical properties that conventional materials do not have by designing ordered structures on the key physical dimensions of materials. By designing the basic material composition, periodic unit shape and arrangement of metamaterials, the corresponding resonance characteristics can be obtained as requ...
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IPC IPC(8): H01Q15/00H01Q1/42H01Q1/52
CPCH01Q1/42H01Q1/526H01Q15/002H01Q15/0086
Inventor 苟于春方俊飞
Owner SHAANXI SCI TECH UNIV